conversations list | id stringlengths 7 18 |
|---|---|
[
{
"from": "human",
"value": "Can brain cells move? By movement I mean long distance migration (preferably within the brain only)."
},
{
"from": "gpt",
"value": "The question is relatively broad and one should take into account that the brain not only consists of neurons, but also glial cells (su... | 0-stackexchange |
[
{
"from": "human",
"value": "In our computer systems lecture we were introduced to the MIPS processor. It was (re)developed over the course of the term and has in fact been quite easy to understand. It uses a RISC design, that is its elementary commands are regularly encoded and there are only few of them i... | 1-stackexchange |
[
{
"from": "human",
"value": "View tabular file such as CSV from command line, having horizontal and vertical scrolling would be great."
},
{
"from": "gpt",
"value": "Sure, please take a look at csvkit. It provides a set of tools that adhere to the UNIX philosophy (meaning they are small, simple,... | 2-stackexchange |
[
{
"from": "human",
"value": "Slater type orbitals (STO) are considered to be more accurate than gaussian type orbitals (GTO) for atomic and molecular QM calculations because - among other reasons - they decay with $e^{-\\alpha r}$ as $r \\to \\infty$. But GTOs are more popular because they are easier to cal... | 3-stackexchange |
[
{
"from": "human",
"value": "Explain what \"git reset\" does. I come from a SVN background and Git is a whole new paradigm. I got mercurial easily, but Git is much more technical.\nI think ```git reset``` is close to ```hg revert```, but it seems there are differences. Please include detailed explanations a... | 4-stackexchange |
[
{
"from": "human",
"value": "I am looking to use Java to get the MD5 checksum of a file.\nHow is it done?"
},
{
"from": "gpt",
"value": "The com.google.common.hash API offers:\n\n* A unified user-friendly API for all hash functions\n* Seedable 32- and 128-bit implementations of murmur3\n* md5(),... | 5-stackexchange |
[
{
"from": "human",
"value": "What are the primary objections Democrats have to a border wall?"
},
{
"from": "gpt",
"value": "It's not clear to me that Democrats are opposed to border-wall construction (your one source suggests they are fine with border walls/fences where necessary), so much as t... | 6-stackexchange |
[
{
"from": "human",
"value": "I'm converting a video to GIF file with ```ffmpeg```:\n```ffmpeg \\\n -i input.flv \\\n -ss 00:00:00.000 \\\n -pix_fmt rgb24 \\\n -r 10 \\\n -s 320x240 \\\n -t 00:00:10.000 \\\n output.gif\n```\nIt works great, but output gif file has a very low quality.\nAny ideas how ca... | 7-stackexchange |
[
{
"from": "human",
"value": "Tor can only handle TCP connections, but DNS is a UDP protocol. How does Tor route DNS requests over its TCP based network? Why can the same approach not be used to route all UDP traffic over Tor?"
},
{
"from": "gpt",
"value": "Tor clients do not, in general, directl... | 8-stackexchange |
[
{
"from": "human",
"value": "Why does this throw ```NullPointerException```\n```public static void main(String[] args) throws Exception {\n Boolean b = true ? returnsNull() : false; // NPE on this line.\n System.out.println(b);\n}\npublic static Boolean returnsNull() {\n return null;\n}\n```\nwhile... | 9-stackexchange |
[
{
"from": "human",
"value": "How do DOS games like DOOM benefit from a PCI graphics card?"
},
{
"from": "gpt",
"value": "DOOM itself doesn’t do anything special to benefit from PCI graphics cards. It runs faster with PCI graphics cards (and VLB, AGP, and PCI Express cards) than with ISA graphics... | 10-stackexchange |
[
{
"from": "human",
"value": "I need to be able to open a document using its default application in Windows and Mac OS. Basically, I want to do the same thing that happens when you double-click on the document icon in Explorer or Finder. What is the best way to do this in Python?"
},
{
"from": "gpt",... | 11-stackexchange |
[
{
"from": "human",
"value": "Why does PRC devalue its currency on purpose, but Turkey is worried about the devaluation of its currency?"
},
{
"from": "gpt",
"value": "Trade surplus/deficit\nDevaluing one's currency means mostly one thing: It becomes more expensive to import products from abroad,... | 12-stackexchange |
[
{
"from": "human",
"value": "Is it worth patenting an algorithm if I don't have the money to defend against infringements?"
},
{
"from": "gpt",
"value": "This is a great question, with no one right answer.\nThe strength of a patent comes from the ability to enforce it. If the patent owner cannot... | 13-stackexchange |
[
{
"from": "human",
"value": "\"I have a ```String[]``` with values like so:\n```public static final String[] VALUES = new String[] {\"\"AB\"\",\"\"BC\"\",\"\"CD\"\",\"\"AE\"\"};\n```\nGiven ```String s```, is there a good way of testing whether ```VALUES``` contains ```s```?\" How do I determine whether an ... | 14-stackexchange |
[
{
"from": "human",
"value": "Does Java casting introduce overhead? Or the compiler just resolves everything and there is no cost at run time?\nIs this a general things, or there are different cases?"
},
{
"from": "gpt",
"value": "There are 2 types of casting in Java:\n\nImplicit casting, when yo... | 15-stackexchange |
[
{
"from": "human",
"value": "How can I copy a string (e.g \"hello\") to the System Clipboard in C#, so next time I press CTRL+V I'll get \"hello\"?"
},
{
"from": "gpt",
"value": "There are two classes that lives in different assemblies and different namespaces.\n\n* WinForms: use following names... | 16-stackexchange |
[
{
"from": "human",
"value": "I want to put a draft watermark using the below script but the problem is that the watermark don't come over the images and I want it to come over it.\n```\\usepackage{draftwatermark}\n\\SetWatermarkText{DRAFT}\n\\SetWatermarkScale{1}\n```"
},
{
"from": "gpt",
"value... | 17-stackexchange |
[
{
"from": "human",
"value": "Understanding the Rails Authenticity Token"
},
{
"from": "gpt",
"value": "What is CSRF?\nThe Authenticity Token is a countermeasure to Cross-Site Request Forgery (CSRF). What is CSRF, you ask?\nIt's a way that an attacker can potentially hijack sessions without even ... | 18-stackexchange |
[
{
"from": "human",
"value": "Why is FIFA against adding instant replay to the game?"
},
{
"from": "gpt",
"value": "There are a few fundamental considerations:\n\n* Uncertainty is a part of the game. The referee and linesmen are the arbiters of the action. Instant replay would limit their authori... | 19-stackexchange |
[
{
"from": "human",
"value": "If we should encrypt the message rather than the method of transfer, why do we care about wifi security? Is this just security theatre?"
},
{
"from": "gpt",
"value": "Network encryption protects against different set of threats than application layer encryption like ... | 20-stackexchange |
[
{
"from": "human",
"value": "Applying filter in scipy.signal: Use lfilter or filtfilt?"
},
{
"from": "gpt",
"value": "\n* ```filtfilt``` is zero-phase filtering, which doesn't shift the signal as it filters. Since the phase is zero at all frequencies, it is also linear-phase. Filtering backwar... | 21-stackexchange |
[
{
"from": "human",
"value": "What do different people in the department expect from a postdoc?\nBy different people I mean the advisor, graduate students and PhD students.\nI know it mainly depends on the job description but there are few basic things that a postdoc must be expected to do. How aggressive (p... | 22-stackexchange |
[
{
"from": "human",
"value": "Can someone explain to me what the ```contentInset``` property in a ```UIScrollView``` instance is used for? And maybe provide an example?"
},
{
"from": "gpt",
"value": "While jball's answer is an excellent description of content insets, it doesn't answer the questio... | 23-stackexchange |
[
{
"from": "human",
"value": "How is arc defined in TikZ?"
},
{
"from": "gpt",
"value": "```\\draw (x,y) arc (start:stop:radius);``` draws an arc\n\n* with radius ```radius```\n* starts from ```(x,y)```\n* with center ```(x-r*cos(start), y-r*sin(start))``` and\n* ends at ```(x-r*cos(start)+r*cos(... | 24-stackexchange |
[
{
"from": "human",
"value": "How to connect mysql workbench to running mysql inside docker?"
},
{
"from": "gpt",
"value": "By default after deployment MySQL has following connection restrictions:\n```mysql> select host, user from mysql.user;\n+-----------+---------------+\n| host | user ... | 25-stackexchange |
[
{
"from": "human",
"value": "Can meat spoil outside the fridge if it's baked into bread as a filling?"
},
{
"from": "gpt",
"value": "There are two differences between your buns and a tin can.\nFirst, your buns were heated to a core temperature of under 100°C. Yes, your oven was probably set way ... | 26-stackexchange |
[
{
"from": "human",
"value": "I'm wondering how the XML Schema specification handles these cases:\n```\n```\nNo maxOccurs given -> Is this the cardinality [1..1]?\n```\n```\nI suppose this is simply invalid?\n```\n```\nIs this the cardinality [0..2] or [1..2]?\nIs there an \"official\" definition on how the ... | 27-stackexchange |
[
{
"from": "human",
"value": "Were there any flying dinosaurs?"
},
{
"from": "gpt",
"value": "Birds are both flying dinosaurs and flying reptiles. Yes, that's potentially confusing.\n\nTo understand the apparent contradiction, you have to understand how modern classification of organisms works (p... | 28-stackexchange |
[
{
"from": "human",
"value": "Say, a table ```car``` has one-to-one relationship to tables ```electric_car```, ```gas_car```, and ```hybrid_car```. If a ```car``` is ```electric_car```, it can no longer appear in ```gas_car``` or a ```hybrid_car```, etc. \nIs it a bad practice to have several mutually exclus... | 29-stackexchange |
[
{
"from": "human",
"value": "I see a low use of Mathematica in Kaggle competitions. Why would one use the Wolfram Language versus R, Python, or Julia for machine learning? Besides prettier plots and the Manipulate function, do we have something that is useful for ML that other languages are lacking?"
},
... | 30-stackexchange |
[
{
"from": "human",
"value": "I'm using wp_nav_menu and am trying to create custom output for the sub-level drop downs. I came across the \"items_wrap\" argument but there's really not much information as to what it is, how it works, and what kind of things can be done with it. \nWhat exactly is \"%1$s\" a... | 31-stackexchange |
[
{
"from": "human",
"value": "I've noticed that people on YouTube and even on TV would sometimes say things like \"I used to take lots of coke a few years ago\" or \"I used to smoke weed daily until this and that\" or \"Yea, I smoke weed every once in a while,\" or \"I used to pirate games a lot when I was a... | 32-stackexchange |
[
{
"from": "human",
"value": "Did two dissenting Supreme Court justices agree that Trump was \"absolutely immune\" to the Manhattan DA's subpoena?"
},
{
"from": "gpt",
"value": "If you are interested in the gory details, please see the full decision in Trump v. Vance. The first half of the linked... | 33-stackexchange |
[
{
"from": "human",
"value": "Just curious, given how heavily from Tolkien D&D drew, and the fact that games like Wizardry used Hobbits, is there a good design reason why Gygax and company used Halflings (a term that also appears in Tolkien) vice Hobbits as the term for our little friends?"
},
{
"fro... | 34-stackexchange |
[
{
"from": "human",
"value": "My USB drive used to be originally 8GB when I bought it.\nI'm trying to reformatted in Windows 7 by right clicking on the drive and selecting ```Format...```. But the capacity only shows 250MB.\nIs there something I can do to get the original size back? Maybe it got partitioned ... | 35-stackexchange |
[
{
"from": "human",
"value": "I am a Tor developer. I understand that the .onion address is a public key of sorts, but not much more than that (I can vaguely guess, though). When nobody knows the IP of the .onion address, how do requests reach it? Are they bounced between nodes in the P2P network till someon... | 36-stackexchange |
[
{
"from": "human",
"value": "I have been offered a PhD position by an inexperienced professor in a great institution in Europe. Despite the fact that the institution is very strong in my area, since the position was offered by this particular professor, I would have to commit myself to working with him for ... | 37-stackexchange |
[
{
"from": "human",
"value": "Is there a phrase that means \"too important\" and \"attracting too much attention\"?"
},
{
"from": "gpt",
"value": "There is the term \"overdominant\":\n\nFrom Collins dictionary:\n\n>overdominant [adjective]\n excessively dominant\n To begin with, the design aspect... | 38-stackexchange |
[
{
"from": "human",
"value": "This guy claims that Olympic powerlifters working in the 1-6 rep range can increase strength without increasing muscle size. \n\n> Trained Olympic lifters, for example, were shown over a two-year period to have significant strength increases with barely noticeable increases in m... | 39-stackexchange |
[
{
"from": "human",
"value": "What are the major concerns about planting trees to create carbon offsets?"
},
{
"from": "gpt",
"value": "Here are some common concerns about using tree planting projects to create carbon offsets:\n\n* The scheme actually has a net positive effect, both in the short ... | 40-stackexchange |
[
{
"from": "human",
"value": "I am wondering how to generate uniformly distributed points on the surface of the 3-d unit sphere? Also after generating those points, what is the best way to visualize and check whether they are truly uniform on the surface $x^2+y^2+z^2=1$?"
},
{
"from": "gpt",
"val... | 41-stackexchange |
[
{
"from": "human",
"value": "In Shutter Island, at the end of the movie Teddy had a chat with Chuck, in that scene Teddy told to Chuck as,\n\n Which would be worse: To live as a monster, or to die as a good man?\n\nWhat's the implicit meaning of this dialogue? Who's the monster as Teddy mentioned?\nAnd, wh... | 42-stackexchange |
[
{
"from": "human",
"value": "To set the minimal distance between flexbox items I'm using ```margin: 0 5px``` on ```.item``` and ```margin: 0 -5px``` on container. For me it seems like a hack, but I can't find any better way to do this.\n\n\n```#box {\n display: flex;\n width: 100px;\n margin: 0 -5px;\n}\... | 43-stackexchange |
[
{
"from": "human",
"value": "Is there a Git for data? The key improvement I'd want is to Diff/Merge more intelligently. e.g. in CSV rather than line vs line comparison, it would do cell vs cell.\nAnd ordering is usually not significant, e.g. rows in a CSV, whereas Git does care and presents the user with 'c... | 44-stackexchange |
[
{
"from": "human",
"value": "I have been puzzling over where to put the submit button, on the left or the right. In researching, I noticed that many sites put buttons on the bottom right in dialogue boxes, and on the bottom left in forms.\nIt makes sense: in a dialogue box it seems to denote finality, being... | 45-stackexchange |
[
{
"from": "human",
"value": "Is it at all possible to update object's properties with ```setState```?\nSomething like:\n```this.state = {\n jasper: { name: 'jasper', age: 28 },\n}\n```\nI have tried: \n```this.setState({jasper.name: 'someOtherName'});\n```\nand this:\n```this.setState({jasper: {name: 'som... | 46-stackexchange |
[
{
"from": "human",
"value": "What is the difference between Non-Player Characters (NPCs) and bots in video games?"
},
{
"from": "gpt",
"value": "The key distinction is that a Bot represents an automated player; an NPC, by contrast, isn't playing the game at all.\n\nIn general, an NPC is a part o... | 47-stackexchange |
[
{
"from": "human",
"value": "Is there anything like ```static class``` in java? What is the meaning of such a class. Do all the methods of the static class need to be ```static``` too? Is it required the other way round, that if a class contains all the static methods, shall the class be static too? What ar... | 48-stackexchange |
[
{
"from": "human",
"value": "The Episode IV-VI movies never mention the Emperor's name. In Episodes I-III, we can guess that Darth Sidious will be the emperor, but what about Chancellor Palpatine? If the audience didn't know that he was Sidious, the impact of the reveal would be far different than if they d... | 49-stackexchange |
[
{
"from": "human",
"value": "So, students in Gryffindor are supposed to represent bravery. How does Neville represent bravery, to the point in being accepted into the house. I've always thought of his strongest traits being things like loyalty, willingness to work hard, etc, and these things would tend to p... | 50-stackexchange |
[
{
"from": "human",
"value": "This claim was made popular by being said in the movie The Social Network. It exactly says:\n\n> Did you know there are more people with genius IQs living in China than there are people of any kind living in the United States?\n"
},
{
"from": "gpt",
"value": "This cl... | 51-stackexchange |
[
{
"from": "human",
"value": "I am trying to get my program to print out ```\"banana\"``` from the dictionary. What would be the simplest way to do this?\nThis is my dictionary: \n```prices = {\n \"banana\" : 4,\n \"apple\" : 2,\n \"orange\" : 1.5,\n \"pear\" : 3\n}\n```"
},
{
"from": "gp... | 52-stackexchange |
[
{
"from": "human",
"value": "Different coffee packets advertise different amounts of 'Robusta' and 'Arabica'? What do these terms refer to, and how does it affect the taste of the coffee?"
},
{
"from": "gpt",
"value": "\n\n* One reason that the taste isn't as good for Robusta is that it has more... | 53-stackexchange |
[
{
"from": "human",
"value": "So whenever we want to shoot our flash before taking a photo. we have to charge it first.\nWhat is the point of the charging our flashes? Aren't their power directly supplied by the battery of our camera?\nPlease answer for the built in flash on the 2000D and the traditional hot... | 54-stackexchange |
[
{
"from": "human",
"value": "What are some strategies to maintain morale and productivity after massive layoffs? I am not in a managerial role, just a lead role, and am asking for myself and my fellow employees."
},
{
"from": "gpt",
"value": "The situation you're describing is tough. Layoffs hav... | 55-stackexchange |
[
{
"from": "human",
"value": "Could you please clearly explain what is the difference between correlation and convolution that is done by a filter on an image? \nI mean in terms of signal processing definition I know that convolution describes the output of an LTI system, that is if an LTI system produces an... | 56-stackexchange |
[
{
"from": "human",
"value": "24601 has developed into being an iconic part of both the Les Miserables book and musical. Was that number special to him, or was it simply a random number he chose (I doubt it)?"
},
{
"from": "gpt",
"value": "Yes: it corresponds to the date of Hugo's conception.\nTh... | 57-stackexchange |
[
{
"from": "human",
"value": "Why does Michael Crichton use US Customary measurements in hard sci-fi?"
},
{
"from": "gpt",
"value": "Crichton used both imperial and metric, depending on the context.\nIn the course of one paragraph in The Sphere, he managed to use both!\n\n> \"Pacific coral grows ... | 58-stackexchange |
[
{
"from": "human",
"value": "How can horns, most of which have only three buttons, play all their notes?"
},
{
"from": "gpt",
"value": "Put as simply as possible, horns are tubes. Blowing in special ways makes certain notes sound from those tubes. By changing one's embouchure, those notes start ... | 59-stackexchange |
[
{
"from": "human",
"value": "I am a big fan of worldbuilding. A common sight in science fiction is that aliens pretend to be human (For example in Third Rock from the Sun). Obviously if the aliens are advanced enough to disguise themselves as another species, there are much easier, simpler and less expensiv... | 60-stackexchange |
[
{
"from": "human",
"value": "I've taken a look at the list of surveys taken on scala-lang.org and noticed a curious question: \"Can you name all the uses of “_”?\". Can you? If yes, please do so here. Explanatory examples are appreciated."
},
{
"from": "gpt",
"value": "The following is an explan... | 61-stackexchange |
[
{
"from": "human",
"value": "My university usually asks that we book a flight via a travel agent, but the prices he gives me are about $50 higher than the prices I can get by online booking in the flight company's website. Why would a company want me to book a flight via a travel agent if it is more expens... | 62-stackexchange |
[
{
"from": "human",
"value": "Layman's explanation of encryption backdoors"
},
{
"from": "gpt",
"value": "There are two somewhat orthogonal concepts in backdooring encryption algorithms:\n\n* The backdoor can be explicit or implicit. An explicit backdoor is one that everybody knows it is there. A... | 63-stackexchange |
[
{
"from": "human",
"value": "I have a page where a scroll bar containing table rows with divs in them is dynamically generated from the database. Each table row acts like a link, sort of like you'd see on a YouTube playlist next to the video player.\nWhen a user visits the page, the option they are on is su... | 64-stackexchange |
[
{
"from": "human",
"value": "Suppose I have the geographic coordinates of "Saratoga, California, USA" as\n```Latitude: 37°15.8298′ N\nLongitude: 122° 1.3806′ W\n```\nI know from here that in the case of latitude ```1° ≈ 69 miles``` and that longitude varies:\n```1° longitude = cosine (latitude) ... | 65-stackexchange |
[
{
"from": "human",
"value": "I have read numerous times that some Norse warriors, upon death, would go in Fólkvangr, while some others would go to Valhalla. How was it decided which warrior would go to which place? Why did the need to have many \"paradises\" (whatever you many call it) exist?\nCiting Wikipe... | 66-stackexchange |
[
{
"from": "human",
"value": "I noticed that there is a binary executable ```/bin/echo``` on my Ubuntu MATE 17.04 system.\nI thought, that's odd, because\n```$ type echo\necho is a shell builtin```\nCursory testing suggests that ```/bin/echo``` does the same sort of thing as the Bash builtin ```echo```:\n```... | 67-stackexchange |
[
{
"from": "human",
"value": "what's the difference between JavaScript objects, classes and functions?"
},
{
"from": "gpt",
"value": "As you must already be aware by now there are no classes in JavaScript. Instead functions in JavaScript may be made to behave like constructors by preceding a func... | 68-stackexchange |
[
{
"from": "human",
"value": "In most introductory algorithm classes, notations like $O$ (Big O) and $\\Theta$ are introduced, and a student would typically learn to use one of these to find the time complexity.\nHowever, there are other notations, such as $o$, $\\Omega$ and $\\omega$. Are there any specific... | 69-stackexchange |
[
{
"from": "human",
"value": "Why is Gaia operating around Earth orbit? Why not send it to Neptune's orbit?"
},
{
"from": "gpt",
"value": "Well, you thought about the spatial aspect of a parallax measurement, but not about the temporal one.\nGaia's intention is to measure 3D positions as well as ... | 70-stackexchange |
[
{
"from": "human",
"value": "I have a string representing a unix timestamp (i.e. "1284101485") in Python, and I'd like to convert it to a readable date. When I use ```time.strftime```, I get a ```TypeError```:\n```>>>import time\n>>>print time.strftime("%B %d %Y", "1284101485")... | 71-stackexchange |
[
{
"from": "human",
"value": "In Django, the convention is to put all of your static files (i.e css, js) specific to your app into a folder called static. So the structure would look like this:\n```mysite/\n manage.py\n mysite/ --> (settings.py, etc)\n myapp/ --> (models.py, views.py, etc)\n ... | 72-stackexchange |
[
{
"from": "human",
"value": "I am used to thinking of finite-differences as a special case of finite-elements, on a very constrained grid. What are criteria to choose between finite-differences and finite-elements"
},
{
"from": "gpt",
"value": "It is possible to write most specific finite differ... | 73-stackexchange |
[
{
"from": "human",
"value": "How important is multithreading in the current software industry?"
},
{
"from": "gpt",
"value": "It is extremely important.\nWhat is more important though is to understand that multithreading is just one way to solve the asynchrony problem. The technical environment ... | 74-stackexchange |
[
{
"from": "human",
"value": "Is it true that the price of diamonds is based on a monopoly? And who actually runs/owns this supposed monopoly? Is this likely to affect diamond prices if I am interested in purchasing?"
},
{
"from": "gpt",
"value": "Yes, the De Beers Group of Companies is a diamond... | 75-stackexchange |
[
{
"from": "human",
"value": "Normal filesystem images can be easily mounted:\n```mount system.img /mnt\n```\nExamined, and modified. But when I try this with a Raspberry Pi system image (e.g. raspbian), I get:\n```mount: unknown filesystem type '(null)'\n```\nAnd no matter what I try with ```-t```, it won'... | 76-stackexchange |
[
{
"from": "human",
"value": "How does immersion passively help with learning a language?"
},
{
"from": "gpt",
"value": "There are a few reasons why immersion helps you learn a language without you actively trying:\n* You encounter the language more often. When you are immersed in a language, yo... | 77-stackexchange |
[
{
"from": "human",
"value": "I have a script, that does not exit when I want it to.\nAn example script with the same error is:\n```#!/bin/bash\nfunction bla() {\n return 1\n}\nbla || ( echo '1' ; exit 1 )\necho '2'\n```\nI would assume to see the output:\n```:~$ ./test.sh\n1\n:~$\n```\nBut I actually see... | 78-stackexchange |
[
{
"from": "human",
"value": "Adding a new swap file. How to edit fstab to enable swap after reboot?"
},
{
"from": "gpt",
"value": "These ares the steps to create a swap on a file:\n\n1. Create a large file e.g. with\n```sudo mkdir -p /var/cache/swap/ # create a directory that holds the swap fi... | 79-stackexchange |
[
{
"from": "human",
"value": "\nHow do I add a validation to make sure the date string being passed to the method is in the ffg. format:\n```'YYYY-MM-DD'\n```\nif it's not, method should raise some sort of error"
},
{
"from": "gpt",
"value": "The Python ```dateutil``` library is designed for this... | 80-stackexchange |
[
{
"from": "human",
"value": "When to use UICollectionView instead of UITableView?"
},
{
"from": "gpt",
"value": "That depends on the requirements. How the application flows determines which type of UI to integrate into the application.\nPeople mainly use the ```UICollectionview``` for creating t... | 81-stackexchange |
[
{
"from": "human",
"value": "On my branch I had some files in .gitignore\nOn a different branch those files are not.\nI want to merge the different branch into mine, and I don't care if those files are no longer ignored or not.\nUnfortunately I get this: \n\n The following untracked working tree files woul... | 82-stackexchange |
[
{
"from": "human",
"value": "Since long time ago I have been thinking in two problems that I have not been able to solve. It seems that one of them was recently solved. I have been thinking a lot about the motivation and its consequences. Mostly because people used to motivate one of them with some very int... | 83-stackexchange |
[
{
"from": "human",
"value": "How do GPS receivers communicate with satellites?"
},
{
"from": "gpt",
"value": "The first thing to know is the communication is one-way. There's a satellite-to-receiver transmission, nothing going in the opposite direction. So your cell phone doesn't have to find th... | 84-stackexchange |
[
{
"from": "human",
"value": "Why is iceberg lettuce bad for rabbits?"
},
{
"from": "gpt",
"value": "In short, iceberg lettuce is mostly water with little to no nutrient value. A rabbit can fill up on it (because of the bulk), but still need food because they didn't get enough calories, vitamins,... | 85-stackexchange |
[
{
"from": "human",
"value": "How do I open the JavaScript console in different browsers?"
},
{
"from": "gpt",
"value": "Chrome\nOpening the “Console” panel of Chrome’s DevTools:\n\n* Windows and Linux: Ctrl + Shift + J\n* Mac OS: Cmd + Opt + J\n\nNote: In addition to the “Console” panel, there a... | 86-stackexchange |
[
{
"from": "human",
"value": "I have Ubuntu 10 as the guest OS on a Windows 7 machine. I have been trying to setup shares through VirtualBox, but nothing is working. First, I create the share in VirtualBox and point it to a Windows folder. Then I try to mount the drive in Linux, but I keep getting\n```/sb... | 87-stackexchange |
[
{
"from": "human",
"value": "What does %~dp0 mean, and how does it work?\nI'd also like to know if it is a documented feature, or something prone to be deprecated."
},
{
"from": "gpt",
"value": "Calling `for /?` in the command-line gives help about this syntax (which can be used outside FOR, too... | 88-stackexchange |
[
{
"from": "human",
"value": "Should a tester feel bad about finding too many defects/bugs in the product?"
},
{
"from": "gpt",
"value": "If this is a medical application you are talking about it is serious stuff. What if the bugs affected real users? Developers would be much less happy if they p... | 89-stackexchange |
[
{
"from": "human",
"value": "Millions of colors in the visible spectrum can be generated by mixing red, green and blue - the RGB color system. Is there a basic set of smells that, when mixed, can yield all, or nearly all detectable smells ?"
},
{
"from": "gpt",
"value": "There are about 100 (Pur... | 90-stackexchange |
[
{
"from": "human",
"value": "Do you bleed to death after your penis is cut off?"
},
{
"from": "gpt",
"value": "Assuming the person is not taking anticoagulants, it's actually quite difficult to bleed to death from dismemberment of small members (hands, feet, penis, ears, nose, etc). Even large m... | 91-stackexchange |
[
{
"from": "human",
"value": "In Swift, is there a clever way of using the higher order methods on Array to return the 5 first objects?\nThe obj-c way of doing it was saving an index, and for-loop through the array incrementing index until it was 5 and returning the new array. Is there a way to do this with ... | 92-stackexchange |
[
{
"from": "human",
"value": "What's the simplest way to get an environment variable from a docker container that has not been declared in the Dockerfile?\nFor instance, an environment variable that has been set through some ```docker exec container /bin/bash``` session?\nI can do ```docker exec container en... | 93-stackexchange |
[
{
"from": "human",
"value": "I am confused about the use cases for both ```InputStream``` and ```OutputStream```.\nPlease include a snippet of code to go along with your explanation."
},
{
"from": "gpt",
"value": "InputStream is used for reading, OutputStream for writing. They are connected as d... | 94-stackexchange |
[
{
"from": "human",
"value": "What is the difference between:\n```npm install [package_name]\n```\nand:\n```npm install [package_name] --save\n```\nand:\n```npm install [package_name] --save-dev\n```\nWhat does this mean? And what is really the effect of ```--save``` and ```-dev``` keywords?"
},
{
"f... | 95-stackexchange |
[
{
"from": "human",
"value": "pod install -bash: pod: command not found"
},
{
"from": "gpt",
"value": "Please follow the following steps to install Pod:\n\n1. Open terminal and type:\n```sudo gem install cocoapods\n```\nGem will get installed in Ruby inside the System library. Or try on 10.11 Mac... | 96-stackexchange |
[
{
"from": "human",
"value": "I read in the Essential C# 3.0 and .NET 3.5 book that:\n\n GetHashCode()’s returns over the life of a particular object should be\n constant (the same value), even if the object’s data changes. In many\n cases, you should cache the method return to enforce this.\n\nIs this a ... | 97-stackexchange |
[
{
"from": "human",
"value": "Especially in blitz or bullet games, it is possible that a player makes an illegal move, for example castles through check. \n\n* If the opponent does notice the illegal move, then as far as I know the first player is obliged to make a legal move with the same piece, if one exis... | 98-stackexchange |
[
{
"from": "human",
"value": "How to set button click effect in Android?"
},
{
"from": "gpt",
"value": "It is simpler when you have a lot of image buttons, and you don't want to write xml-s for every button.\nKotlin Version:\n```fun buttonEffect(button: View) {\n button.setOnTouchListener { v,... | 99-stackexchange |
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