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what's the better way to charge for a cloud platform, simple but more expensive, or complicated but cheaper for most? | like all good questions, the answer depends. it depends on your application: is it something you are likely going to be using periodically? a lot on some days of every month and very little the rest of the month? once a year? then a pay-as-you-go model would be 'nicer'. it also depends on the sophistication of your us... | comparison |
when is it better to offload work to the rdbms rather than to do it in code? | you want to do all set-based operations in the database for performance reasons. so aggregation functions, sorting functions, joins etc. this age calculation, i'd do in code. the only reason i might ever do something like this in a database query is if it required lots of columns that i wouldn't otherwise select that... | comparison |
is it better to specialize in a single field i like, or expand into other fields to broaden my horizons? | specialise if you enjoy it as you are aware, if you specialise you are automatically incurring an opportunity cost in that you won't be immediably eligible for other technologies (e.g. java programmers don't often immediately get accepted for compiler optimisation jobs). however, you have to balance this with your lov... | comparison |
how is intellij better than eclipse? | i work with intellij (9.0.4 ultimate) and eclipse (helios) every day and intellij beats eclipse every time. how? because intellij indexes the world and everything just works intuitively. i can navigate around my code base much, much faster in intellij. f3 (type definition) works on everything - java, javascript, xml,... | comparison |
i believe my solution is better than my boss's, so should i ignore him? | having been "the boss" and, as it turned out, actually better than my staff in all cases bar one - yes, he will be mad - or annoyed or frustrated and in any case, quite possibly, right in the first place. if you're genuinely better than him then you should be able to understand his proposed solution and to see why you... | comparison |
office arangement - comfort vs. teamwork? | get some chat software installed aside from that you may find some of the other developers find verbal communication breaks them out of the productive 'zone', regardless of how work related the talk is. also of note is that by having everyone in the same location, while work talk between dev a and dev b may be pr... | comparison |
when is c a better choice than c++? | my favorite reason for not using c++ is that c has a de facto standard abi on most platforms. in other words, because there's no name mangling, etc., you can usually link code compiled with two different c compilers. with c++, good luck because you'lll need it. | comparison |
what's the better user experience: waiting once at startup for a long time or waiting frequently for a short time? | startup as fast as possible, use a thread to do the most important calculations. so the user gets a feedback immediately, and can start working after 15 secs. in the background, let another thread calculate everything, so after two minutes, those 2-3 sec response times also go away. | comparison |
wpf vs. winforms - a delphi programmer's perspective? | if you have a delphi background, you will be disappointed in winforms. you will try to do things that were easy in the vcl, only to find that they're painfully difficult, or even impossible. wpf will be much less confining. for example, here are just a few of the winforms limitations we've run into: winforms has no... | comparison |
is it better to load up a class with methods or extend member functionality in a local subclass? | as always, these things are a matter of taste. in this case, i'm not crazy about the second solution for a few reasons: there's always a small intellectual burden when defining classes and their relationships. it's not clear what benefit the nested class provides aside from partitioning code. the one class approach ... | comparison |
if it was for you to chose game development vs application development, which will you chose? | i have a coworker who came from the world of game development. unless you are working for the few big dogs that have their own publishing department, your employer is working for an external publisher with the constant threat of canceling the contract. the stress that management feels is passed on to you. trying to ... | comparison |
python threading vs. multiprocessing: should i learn one before the other? | when you are starting out, it doesn't matter which one you choose. what is more important is getting a better understanding of how to parallelize work. if you don't have that base understanding, you will not be able to take advantage of the fine point that differentiate between the two. pick one and get used to thinki... | comparison |
is it better to have c developers learn flash, than hire flash guys? | it would matter a great deal why the existing c developers re-wrote all the code. on the one hand, it could be that an architect needs to determine what functionality needs to be built in the different software tiers. if you are embedding logic in flash that needs to be reused by your c developers, for example, that'... | comparison |
which is better design: determining if a function should execute from outside of it, or inside of it? | the important bit is who owns bar? if it's unclear, consider if b can live up to it's method name considering the value of bar. if so, then make it part of b. if not, then make it part of a. in a real world scenario, you'll generally find methods that fulfill a design responsibility, and helper methods that fulfill im... | comparison |
what is better making a separate temporary table or inserting directly to big table? | are the 3000 rows entered evenly throughout the day? if so, that's a row inserted every 29 seconds -- so inserting data as it comes by is hardly anything to worry about. you'll only benefit creating a temporary table if that table is in memory and then at the end of the day dump that to the main table. edit: in... | comparison |
how much better is apache solr than its non-java competition? | don't know anything about sphinx, but both solr and zend_search_lucene are based on lucene (to be precise, solr uses lucene directly and zend_search is derived from lucene). so at the bottom of either package you have the same solid and tested ir concepts. so in theory you can develop pretty much the same search engine... | comparison |
when designing a protocol, is it better for a method to accept a single object of a specific type, or an array? | there is no general answer to your question, but let me provide one to your example to point out some principles that generally apply. note: i shall henceforth speak of "interfaces" instead of "protocols", not only because it is arguably more common name for it in other languages, but also because i really mean interf... | comparison |
readability vs minimalism/compactness/conciseness in language design: are they antagonistic? | conciseness is not the same thing as readability. nor is verbosity the same thing as unreadability. readability is a function of expressiveness (how much the syntax communicates), not length. there is often a correlation (up to a point) between conciseness and readability, but don't mistake that for causation. to the ... | comparison |
ubersvn vs visualsvn server - any experiences? | obviously ubersvn is still a very new product so i imagine experiences might be difficult to come by. you're not the first to ask this question though so i might be wrong about that! the way ubersvn is designed, when you add repositories and choose the 'import existing repository' option, the repository will be copied... | comparison |
is it better to document functions in the header file or the source file? | my view... document how to use the function in the header file, or more accurately close to the declaration. document how the function works (if it's not obvious from the code) in the source file, or more accurately, close to the definition. for the birds-eye thing in the header, you don't necessarily need the d... | comparison |
what do you believe is a better of method of learning languages: using books or jumping straight into a project? | false dichotomy; i routinely work on a project while reading a book. i will say this: if you just read a book without actually programming anything then you are not gonna learn the language. now whether you're reading from a book or from the web while working on your project matters little; obviously you want a good r... | comparison |
building websites, which is the better approach mvp or mvc? | i guess you're asking in the context of the microsoft world? it was my understanding that mvp was mainly employed for unit testing the controllers of the application. i think another term for the mvp pattern is supervising presenter. the view in this case would be the asp page, which would have an instance of the pre... | comparison |
talks vs. poster presentations: which is better for advertising your research and building research networks? | it depends on what you want to do. if you feel like at this point in your research it would be more beneficial to converse than to present, then i'd say that a poster session is the right venue for you. it's true that talks are considered a bit more prestigious than poster sessions, but you really should go with what y... | comparison |
is it better to have no publication than having you as second author? | if the paper is well-written, contributes non-trivial knowledge to a particular field, is peer-reviewed, and you contributed significantly enough to the paper to be listed as an author, you should put your name on it. in the case of fields where pre-prints are common (i.e., it won't be peer-reviewed, at least initially... | comparison |
ph.d. adviser or ph.d. advisor? | according to the new oxford american dictionary (that i have by default on my mac :)): the spellings adviser and advisor are both correct. adviser is more common, but advisor is also widely used, especially in north america. adviser may be seen as less formal, while advisor often suggests an official position. s... | comparison |
low-quality paper or no paper - which is better for an undergraduate in phd admission? | if the quality of the work is low, the student should neither publish it in a lower tier conference nor publish it as a technical report. they should either make the time to improve it or toss it in the trash. a bad publication, no matter what venue it's published in, is worse than no publication at all. similarly, ... | comparison |
what is the difference between ph. d programs with coursework and those without it? | it seems to me that there are several advantages; none of these are suitable for every student. it's up to you whether enough of them apply to you, to make it worth doing a taught phd: a phd with a bit of coursework in the first year will help those who are crossing over into a discipline that they're not already d... | comparison |
for graduate admissions, is it better to attend a well-known undergrad program with advanced coursework or one where i can write a bachelors' thesis? | if i were you, i would try to move to b based on the assumption that b is better than a and a is probably less recognizable in the us than b schools. you are right that research potential is an important factor the admission committees of top schools will pay attention to. however, bachelor thesis is not the only way ... | comparison |
is job experience more valuable than taking more courses? | if the "job experience provider" would write a good recommendation for you afterwards (surely you must also deserve it), this may matter more. unless you skip some very basic course that your future company sees as very useful for your work. for example, if the future company focuses on c++ development, a course with... | comparison |
in which type of schools can i have better research experience in biology, liberal arts college or large research university? | i went to a small liberal arts college and worked at a large university lab, that had undergraduate interns. from both experiences i agree that it is the lab and not the school that matters. however, there are conditions that you will be more or less likely to find, depending on the type of school. in general liberal a... | comparison |
what makes a bachelor's thesis different from master's and phd theses? | the phd thesis should be on a much higher level than the honours/masters thesis, offering a contribution to human knowledge that is of a sufficient level of "significance" to warrant publication in a respected journal. significance is highly subjective, and you also do not necessarily have to publish to be awarded the... | comparison |
what is the difference between research intensive vs. research extensive universities? | "research intensive" and "research extensive" are obsolete terms from the carnegie classification of research universities. they are terrible, confusing terms that should never have been introduced (see page 5 of rethinking and reframing the carnegie classification). the idea was that "research extensive" means there... | comparison |
how to decide between sending paper to a specialized journal or to a journal with broader audience? | i tend to think that in most cases, the specialized/broad dichotomy is not very relevant. the most important point is to send it to an interested editor; if the most relevant editor for a paper happens to be at a general journal, you will often be better of sending your paper there. i would consider two exceptions to ... | comparison |
what are the trade-offs of working in the office versus elsewhere (as a professor)? | i think it's important to set boundaries with students, with colleagues, and with yourself about when and where you're available for meetings. it's also important to find environments that most effectively support different types of work, and give yourself permission to use them. like you, when i'm in my office, i ex... | comparison |
better chances for math grad school: graduate in three years or four? | what jumps out at me in your question is the assumption that because of your advanced standing you can only stay at berkeley for two years and thus only spend three years in college altogether. though i do not have any direct experience with this (i.e., financial aid at state universities in california), i find that q... | comparison |
which is more important for phd applicants — quality or quantity of research papers? | i disagree with the assumption that top journals with slow turnaround times are more highly regarded than top conferences with quicker turnaround times. in most (all?) areas of computer science, the most competitive conferences are at least as highly regarded as the top journals. it is also not unusual for longer ver... | comparison |
should i use recommendation letter from young professor i worked with or well-known professor i met in class? | your reu evidence that x wrote you a weak letter is not very strong. i run an reu, and we accept less than 3% of our applicants. our target participants are either legendary at small colleges (best in a decade), or excellent at top universities (top 25% this year at harvard). plenty of excellent people get turned aw... | comparison |
popular proprietary program or obscure open source substitute for reproducible research? | i think there are two kinds of reproducibility: the ability of someone else to run your code and obtain the same output. the ability of someone else to write their own code that does the same thing as yours based on your description and on examination of your code (reproduction from scratch). the second kind of ... | comparison |
graduate early with average gpa, or later with better gpa? | your answer will depend partly on what you want to do in academia. if you want to teach, but don't really want to emphasize research much, you might do fine to graduate now. however, if your goal is to become a professor at a research intensive school, then you really should go to the strongest grad school you can ge... | comparison |
which is more beneficial prior to phd: research experience or a second masters degree? | the question is framed oddly. a master's degree without research experience will probably kill your chances for phd admission, at least into the top programs. here's a better framing: is a second master's degree the best way to get more research experience? unfortunately, the answer depends on your personal situatio... | comparison |
any risks down the line choosing maths vs. stats phd programme? | provided one can find a supervisor who has the background and research interestes that would allow one to keep extending ones pure mathematical toolbox are there any major risks in going for a phd in stats? there's a small risk, but it can be managed. the first issue is that you need to make the mathematical cont... | comparison |
when writing a peer review is it better protocol to quote parts of the orginal work or paraphrase? | it depends why you are quoting/paraphrasing. usually i structure my review in two parts. the first part summarizes the paper, the major contributions, and the high-level strengths and weaknesses of the submission. in this part i paraphrase. this shows the authors, and the editor, that i have read and understood the pa... | comparison |
should you choose your committee members or should your advisor? | there are many ways to build phd committee, which depend on the local system (country, etc.) and your field. but, here are some general principles that should apply broadly. you need to bring a mix of highly competent yet diverse evaluators, with not too much proximity to yourself or your advisor lest it be thought tha... | comparison |
is it better for a mathematical paper to have a citation or a nice theorem + another coauthor? | i think it is not important which option makes your paper look good, but the best question here is "what is the right thing to do?" if you are such a talented and hardworking undergraduate student who can write a publishable paper, you will certainly have a very bright future in grad school and later as a researcher. ... | comparison |
for undergraduates, is publishing "weak" research better than not publishing? | there are very few circumstances under which i think it's a bad idea for undergraduates to write research papers. these primarily have to do with the quality of the journal: so long as it is a reputable, peer-reviewed journal, i wouldn't be too concerned with the "strength" of the work. the reason is that publishing w... | comparison |
what factors should i consider when deciding between a general mba vs. a specialized mba? | because you already have real world experience in it but are unsure it is where you want to stay, a general mba should be fine. if you want to stay in it, what most companies care about is actual experience - and it seems you have that. having an mba and experience in it is a great combination and having experience i... | comparison |
what is the difference between coffee grinds/beans labeled as "espresso coffee" and ordinary coffee? | it is the roast that is the difference. the only real difference in the beans is that some beans taste better at a higher roast than others, so they are more appropriate for espresso. your italian grocery coffee company may be using the espresso label for marketing purposes, but in general, espresso coffee beans can ... | comparison |
carrot pie: custard or stew? | i can see this as being similar to a sweet potato pie. best bet in that case would be to cook the carrots, then puree and mix with eggs, milk, etc. just as if it were a sweet potato or pumpkin pie. two alternatives that come to mind would be to treat it like a fruit pie, as you say. because of the texture of the car... | comparison |
should i preheat a pan, or start the cooking timer immediately? | if you cook (or bake) using a timer, you should always use preheated equipment. your stove top may differ from my stove top in terms of the length of time it would take to get to high heat (hell, my stove top wouldn't even hit high heat in three minutes), and this would greatly effect the final quality. always prehea... | comparison |
differences between cooking a whole duck vs chicken or turkey? | with chicken and turkey, the most important "trick" to cooking it is to make sure the dark meat gets done before the white meat dries out, and to make sure the skin crisps up somewhat. duck is all dark meat, and has a thick layer of fat that must be rendered out. there is not a lot of danger in drying out the breast m... | comparison |
what would be the difference between frying vs baking meatballs? | no recipe alteration needed. fried meatballs will develop more of a crust, and thus more flavour through the maillard reaction. in any case, unless you're making tiny meatballs (or finishing their cooking in a sauce of some sort), they're going to need to be finished via baking anyway. i would only do the baking meth... | comparison |
is it generally better to cut chicken breast with or against the grain? | alton brown talked about this on an episode of good eats, and here's what i remember: if you cut with the grain, you'll end up with long strands of protein, like this: ------------------------ ------------------------ ------------------------ from what i understand, this means that it'll be pretty chewy. your m... | comparison |
what is the functional difference between imitation vanilla and true vanilla extract? | yes, you can detect the difference. how much of a difference will depend on the quality of both the imitation and of the real thing. that said, it's difficult if not impossible for me to pick out the differences in baked goods. so i keep both around, and use the (much cheaper) imitation stuff for baking, and the real ... | comparison |
stock vs broth - what's the difference in usage? | classification and use of stocks vs. broth: broths are the result of cooking meat, not just bones. they're generally the result of preparing another item and usually not prepared specifically on their own. the juices poured off from a roasted turkey (after being degreased) would be considered broth. whole chickens be... | comparison |
when baking, is it better to use a gas or electric oven? | for baking cakes and breads it is important to control the humidity in the oven. in early stages of baking one typically needs the humidity to remain in the baking chamber, which is hard to do with a gas oven. two of the bakeries near my house use electric ovens with brick lined baking chambers; the other uses gas. ... | comparison |
which is better to sauté with, stainless steel or teflon? | the advantage of using stainless steel is the fond (tasty brown bits) that form in the pan. it both flavors whatever you are sauteing and is often used as the base for a pan sauce. | comparison |
what are the benefits of using a dedicated rice cooker, rather than just cooking rice in a pot? | yes there are benefits! this is one of my most used pieces of kitchen equipments. here is a list of benefits for a quality rice cooker: never burns rice no guess measurements for all kinds of rice scheduled cooking keep warm settings uniform cooking when i cook rice on my stove, even at the lowest of heats, i... | comparison |
what is the difference between "mince" and "dice"? | mincing produces smaller, more irregularly-shaped items than dicing. dicing is generally uniform, usually 1/8 to 1/4 inch on all sides, kind of like a tiny cube. the best way to explain the size difference is visually, check out this link for a great picture near the top. | comparison |
what are some of the benefits of electric stoves versus gas stoves? | can i convince you that electric is better? no, i can't, because i don't think it is. the issue i have is related to how long it takes to warm up (and cool down). electric cook tops just don't respond quickly. little too hot? too bad, nothing you can do about it (in time to save a dish that's starting to burn anyway). ... | comparison |
what is the difference between doughnut and krapfen? | there doesn't appear to be any difference. wikipedia says "in english-speaking countries, berliners are usually called doughnuts and are usually filled with jam, jelly, custard or whipped cream", and this page says "the english translation of krapfen is cruller or doughnut". there are so many variations of filling, top... | comparison |
what is the difference between devil's food and chocolate cake? | practicallyedible has a nice description of devil's food cake. originally, devil's food cake had a medium dense texture. the colour had a reddish tint that was probably caused by baking soda reacting with cocoa powder. in fact, i have an old cookbook (the day by day cook book, 1939) that contains a recipe for red de... | comparison |
when curing sausage, which is more important temperature or humidity? | you ned to get your hands on a computer fan (they are designed to run 24hrs a day). i simply mounted one of these inside wall of my curing chamber (down low - as wet air drops), cut a hole in the wall of the fridge with a hole saw - which allows the fan to exhaust the moist air from within the curing chamber. i also ... | comparison |
which torch to buy for finishing sous vide meat? butane or propane? | i use propane all the time. there are several factors as to why: it is cheap, about 1/4 the price of butane. it’s more readily available. you can buy a propane torch at many different stores for very cheap. the torches typically put out a lot more heat. i’ve used both propane and butane, mostly for crème br... | comparison |
are european white truffles significantly superior in flavour to those from north america? | i think the truffles that are exported are of better quality on average than what you'll find on the european market. i've never tried the american ones consciously (they're not imported to europe as far as i know). you could also take into account that the fresher the truffles are the better the quality, so in theory... | comparison |
what's harder: shuffling a sorted deck or sorting a shuffled one? | by landauer's principle, if you want to take a uniform random permutation of $n$ keys to a sorted one, and not keep any bits in the computer which reveal what the uniform random permutation was, you need to erase $log n! \approx n \log_2 n$ bits. this will take $(n \ln n) k t$ energy. on the other hand, the computation... | comparison |
realtime hardware/software versus pc software/hardware, how are these distinct and alike? | in general, the difference between "normal" and "real-time" is some sort of guarantee on the time it takes to complete job. in a normal system, usually you have no guarantees at all. programs can get interrupted by other programs, the os scheduler might not be completely fair, the processor does complicated things that... | comparison |
what's better for an algorithm complexity, o(log n) or amortized o(log n)? | $o(\log n)$ in the worst case implies $o(\lg n)$ amortized. basically, given two data structures supporting the same operator, one in $o(\lg n)$ time in the worst case and the other one in $o(\lg n)$ amortized time, the first one is considered to be superior asymptotically: being $o(\lg n)$ time in the worst case mean... | comparison |
why is it seemingly easier to resume torrent downloads than browser downloads? | the bittorrent protocol was designed to transfer large files out-of-order. it divides files in chunks (pieces in bittorrent terminology), and maintains a map of which participant holds which chunks. one of the elementary commands is for one participant to request a chunk from another participant. if a client crashes or... | comparison |
when are binary trees better than hashtables in real world applications? | hash tables can only tell you if an element is present or not. here are somethings you can do with a binary tree that you can't do wiht a hash table. sorted traversal of the tree find the next closest element find all elements less than or greater than a certain value see this wikipedia article on k-d trees f... | comparison |
what is the difference between a scripting language and a normal programming language? | i think the difference has a lot more to do with the intended use of the language. for example, python is interpreted, and doesn't require compiling and linking, as is prolog. i would classify both of these as programming languges. programming langauges are meant for writing software. they are designed to manage larg... | comparison |
what's the difference between adaptive control and hierarchical reinforcement learning? | the difference between the two tasks really comes down to the level of continuity assumed in the models of the problem. in adaptive control, continuity is assumed at all levels; the problem space and the actions to be executed are all continuous. in hierarchical reinforcement learning, although the problem space is c... | comparison |
which is a better way of obtaining scales, gaussian blur or down sampling? | down sampling may discard relevant features, while blurring should not. as a toy example, a down sample may remove a pixel which is a local maxima, while a blur operation will preserve the maxima by increasing the values of nearby pixels. if the local maxima corresponds to an interesting feature, it may still be disce... | comparison |
why is dpll better than brute force? | local (stochastic) search is all about clever navigation of the search space. dpll's advantage is pruning the search space of large swaths of assignments that provably cannot satisfy the formula. dpll does this by incrementally building partial assignments (some variables assigned values, some left unassigned), apply... | comparison |
which bound is better, a logarithmic or a polynomial with arbitrarily small degree? | since $\log n = o(n^{\epsilon})$ for an $\epsilon > 0$, if you can prove an approximation ratio of $o(\log n)$, then approximation ratios of $o(n^{\epsilon})$ (for any $\epsilon > 0$) immediately follow. you should always prove the best approximation ratio that you can, unless: the best approximation ratio holds onl... | comparison |
is a lba with stack more powerful than a lba without? | theorem the following are equivalent. $l$ is accepted by a deterministic lba with stack $l$ is accepted by a nondeterministic lba with stack $l$ is in $\operatorname{dtime}(c^n)$ for some constant $c$. so the computational power of a lba with stack for decision problems is well understood. the exponential runti... | comparison |
is a 2 address machine more likely to follow a risc or cisc design? | the problem is that the terms risc and cisc are marketing terms, not science or engineering terms. the terms are supposedly acronyms for "reduced instruction set computing" and "complex instruction set computing." your assumption that 3 addresses is much more complicated than 0 addresses is logical, but there is no l... | comparison |
why does a color video compress better than a black and white video? | human eye is very sensitive to luminance change and order of magnitude less sensitive to chrominance change. mpeg under the hood is based on jpeg transform, so you have 8x8 blocks of dct. it blurs a bit the whole block approximating it. colour space changes to yuv or ycbcr, to encode two channels of colour and one of... | comparison |
chomsky nf or greibach nf benefits for lr parser? | the point of generating a parser (usually) is to parse: "analyse (a string or text) into logical syntactic components" (some online dictionary). that's different from simply recognizing that a text is a member of a language. a given language has a variety of grammars which will recognize its sentences, but typically th... | comparison |
do recursive algorithms generally perform better than their for-loop counterpart? | i don't think recursive or for-loop are related to the abstract idea of an algorithm, rather both are a specific strategy to implement an algorithm on a computing system. so your question is basically about which implementation strategy is better for algorithm - recursive or loop based. the answer (assuming you want t... | comparison |
item lookaheads versus dot lookaheads for $lr(k)$ with $k \gt 1$? | i think you are mistaken, they are needed but the dot look-ahead there is so obvious that you have not paid attention to the fact it is used. first, let's remark that there are three kinds of items: those in which the dot is just before a non-terminal. they never participate in an ambiguous situation: when a non-te... | comparison |
which is faster operations on register operands or immediate operands? | it depends. like aprogrammer said, it depends on the processor. we are in an age where there are many limiting factors based on physics in cpu construction. this means that distance traveled for an instruction and heat generated by a gate cause latency. in theory, this means that for a pipeline where the bottleneck i... | comparison |
which is more fundamental: key-value or subject-predicate-object? | following your simplicity argument (binary is more fundamental than octal), i'd say that key-value stores are more fundamental. i think that subject-predicate is essentially a 'compound' or 'aggregate' key, so a subject-predicate-object store is a key-value store with additional requirements on the key (namely that it... | comparison |
apprenticeship vs. imitation learning - what is the difference? | in general, yes, they are the same thing, which means to learn from demonstration (lfd). but usually apprenticeship learning is mentioned in the context of "apprentiship learning via inverse reinforcement learning" (irl). both methods learn from demonstration, but they learn different things: imitation learning (a.... | comparison |
when would best first search be worse than breadth first search? | best first search is different from bfs and dfs by that that it uses problem specific information to chose which node of the search tree to expand next. best first search is informed search and dfs and bfs are uninformed searches. in order to use informed search algorithm you need to represent the knowledge of the pro... | comparison |
are turing machines more powerful than pushdown automata? | if you only consider that 'turing machines can always be made to behave like a stack' you can only conclude that they are at least as powerful as pushdown automata. but in general, yes it is true, turing machines are more powerful than pdas. the easiest example would be to show that turing machines can describe contex... | comparison |
which is more computationally efficient: multiplication or 0 padding? | i'm assuming that your numbers are in binary. in this case, 0 padding is shift left: x << 3 is the same as x * 0x08, where 0x08 (hex) is 1000 (binary). shifting is much simpler to implement in hardware and is generally more efficient. you could check by writing a short c program. note that there is one significant di... | comparison |
can we say dfa is more efficient than nfa? | there are two answers, depending on how you define efficient. compactness of representation telling more with less: nfas are more efficient. converting a dfa to an nfa is straightforward and does not increase the size of the representation. however, there are regular languages for which the smallest dfa is expone... | comparison |
is a little watering still better than no watering, when plants are thirsty? | this would probably depend on the nature of your soil, the type of plants involved, the stage in their development, their drought tolerance and whether it is long- or short-term watering. in the case of seedlings, for instance, in very warm weather, short-term superficial watering cannot do any damage by causing surfa... | comparison |
is a dethatching rake significantly better for removing thatch than a regular rake? | where in california (according to your se profile) are you? am asking, as from my limited research (knowledge) on grass types used in california, i discovered: northern california tends to favour cool season lawns. southern california tends to favour warm season lawns. if you do have a warm season lawn (grass t... | comparison |
what is the difference between pure horse manure and bedding manure? | hmm... well, i don't know the particulars about the straw bedding you've got there but i can tell you the experience here on our farm and what i know about composting horse manure, having done it for the past 10 years or so. we also compost rabbit, chicken and goat manures here. horse manure definitely needs to be co... | comparison |
tomatoes...what is the difference between early blight and late blight? | here's the biggest difference: late blight is caused by the pathogen phytophthora infestans, while early blight is caused by alternaria solani. phytophthora infestans is an oomycete, a fungus-like eukaryotic microorganism. it is similar to alternaria solani (a fungus) in that it is a localized disease, and doesn't spr... | comparison |
are clear or opaque tarps better for solarization? | solarization: it is a practice that can kill most soil organisms, included the good ones. solarization basically consists in the following: release the soil. remove big weeds and big rocks. irrigate. seal the soil with tarps. wait a little bit (four to twelve weeks). remove the tarp. add compost to the solari... | comparison |
would it be better for me to set up my garden in the fall, or wait until spring? | you could certainly wait until spring and things would probably be fine. but personally, i'd get going right now with bed preparation. till it, clean out the rocks mostly and the weeds and clumps. the tiller will help break everything into smaller chunks. to rid yourself of most of those rocks, take a piece of 1/... | comparison |
is clopyralid or dicamba more effective in the control of clover in lawns? | it depends to some extent what you mean by 'clover'. white clover or dutch clover (trifolium repens) and red clover (trifolium pratense) are very susceptible to treatments containing dicamba, dichlorprop-p and mecoprop-p, or 2,4-d and mecoprop-p. other, clover like lawn weeds are more susceptible to formulations contai... | comparison |
what is a good ground cover for street frontage instead of lawn? | i found it difficult to mark just one answer as correct because all are. i am providing my own answer for this question, but it's only more correct than earlier answers in that it's the best groundcover for my specific situation and location. what i eventually went with (on professional advice) was creeping boobialla ... | comparison |
is a potted grapevine better put under or outside a roof? | i don't think it'll make much difference - you live in an area where there's good rainfall, which is good for plants in the ground, but plants in containers still need watering, regardless. marginally, a plant in a pot outside the roof will remain damper in winter than one under the roof, but during the growing season,... | comparison |
why are cut roses doing so much better in a ceramic vase than a crystal vase? | it's probably not the particular vase, but the amount of moisture the roots can get from more of the stems being submerged in water.i noticed the glass vase had very ample water and the ceramic has to hold more to be able to hold the roses upright as it is showing. i can also give you some tips on how to preserve your ... | comparison |
what are the pros and cons of bagged mulch versus city mulch? | dark color is not necessarily a sign of healthy compost/mulch. if it's dyed, the color is from chemicals, not humus. not so healthy. bagged mulch must tell you if it's dyed or not, so read the bag. if there's no mention of dye, you're good. now, because the (undyed) color doesn't affect the health of the product, usi... | comparison |
organic or traditional lawn fertilizer: which is safer for areas with young children? | this is a difficult one if you have children. first, let's deal with the two fertilizers you've mentioned - the first one, non organic, has a much higher nitrogen level, as you've noticed, nearly 3 times the level of the organic one, and is much more suitable for use in fall. because its an autumn formulation, it will ... | comparison |
do rye or oats make a better winter cover for a poor soil vegetable garden? | i think the answer depends on more factors than what you've provided in the question -- especially your specific goals, but i can lay out the considerations i would make in choosing between the two. according to a uvm factsheet, rye can add 5 tons of organic matter per acre. i like rye because the seed is cheap, it ge... | comparison |
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