q_id stringlengths 6 6 | title stringlengths 4 294 | selftext stringlengths 0 2.48k | category stringclasses 1
value | subreddit stringclasses 1
value | answers dict | title_urls listlengths 1 1 | selftext_urls listlengths 1 1 |
|---|---|---|---|---|---|---|---|
5umnlz | My 9 year old LG Dare still has a full charge despite not being turned on or charged in 7 years. My IPhone 6 Plus that I powered off two weeks ago is completely dead. Why? | Technology | explainlikeimfive | {
"a_id": [
"ddvc3ig"
],
"text": [
"Different batteries behave differently. Your 9 year old LG is probably using a low-discharge NiMH battery, which keeps its charge better. Your iPhone is using a Li-ion battery, which self-discharges more quickly. However, it shouldn't be dead in two weeks. I have iPhone... | [
"url"
] | [
"url"
] | |
5umnpy | What does it mean to "Optimize" a game? | In response to this post: URL_0 I get the general idea of what it does, but what do developers actually "do" when they optimize something? | Technology | explainlikeimfive | {
"a_id": [
"ddvd0qh",
"ddv9azg",
"ddv5wrr",
"ddvd83s"
],
"text": [
"I'll give you a quick example, as I recently released a game on mobile, a platform where you're particularly constrained on resources. There's other kinds of optimizations, especially ones that are much more \"lower level\", ... | [
"url"
] | [
"url"
] |
5umqot | Why does a phone call glitches (affects) a non-wireless audio system? | Technology | explainlikeimfive | {
"a_id": [
"ddv83fn"
],
"text": [
"When the cell phone communicates with the base station, it shares the same frequency with a lot of other devices. The way that works is that each device is allocated time slots during which it communicates with the base station, so it sends data for a short period of ti... | [
"url"
] | [
"url"
] | |
5umxy6 | Why is the threat to net neutrality so recurring? | It seems that every year the theat pops up, then a "resolution" comes and the subject goes away, then next year it shows up again. | Technology | explainlikeimfive | {
"a_id": [
"ddv7z9g",
"ddv84vo"
],
"text": [
"Being able to charge content providers extra for preferential treatment means more profit for ISPs. They have no incentive *not* to fight against neutrality.",
"It's not recurring, but rather, one ongoing debate. It has never had a \"resolution,\" and... | [
"url"
] | [
"url"
] |
5umyv5 | Can an electric car be charged wirelessly like the Samsung Galaxy's? | Imagine being able to park your car in a parking lot, and it's charging. No need to fumble around with connectors and not knowing if you have the right dongle to match the pump. Even just a mat that you would lay on your garage floor would be cool. | Technology | explainlikeimfive | {
"a_id": [
"ddv85t0"
],
"text": [
"It is coming: * September 2015 AUDI Wireless Charging(AWC) presented a 3.6 kW inductive charger during the 66th International Motor Show (IAA) 2015. * September 17, 2015 Bombardier-Transportation PRIMOVE presented a 3.6 kW Charger for cars, which was developed at Site i... | [
"url"
] | [
"url"
] |
5uo4fp | How does the "ping" command on the terminal actually work? | Technology | explainlikeimfive | {
"a_id": [
"ddvu8we"
],
"text": [
"Simpler explanation: I write you a letter that says \"This letter was sent from < my address > on < date > and < time > . Please send me a letter back as soon as you get this, with the exact time and date you received this. You follow the instruction and send the second... | [
"url"
] | [
"url"
] | |
5uop2m | Why is it that Asian Countries tend to score much higher than the West in terms of Education, yet it seems the most innovation in almost any scientific/technological field comes from the West? | For a start I'm willing to be wrong about all my assumptions. I always hear that Asian Countries tend to have the best educated people. the highest literacy scores, maths scores, IQ etc. It may also be that in many niche scientific fields some massive breakthroughs have come from Asia - I really could be all wrong. As ... | Technology | explainlikeimfive | {
"a_id": [
"ddvnkff"
],
"text": [
"Many of the competitive industrial players are in the West so the best and brightest Asian students are drawn there. Likewise, a huge majority of scientific research and funding is in the West, so their scientists and STEM people are drawn there. However, the number of ... | [
"url"
] | [
"url"
] |
5uouz9 | Why do cell phones always get super buggy/get slower when a newer version of the comes out? | Technology | explainlikeimfive | {
"a_id": [
"ddvoqdt",
"ddvp1x3",
"ddw5oq4",
"ddvwhus",
"ddvsxst"
],
"text": [
"The cell phone is built for the OS that was out when it was released. As a result, newer OS will not run as well as the one that the cell phone was built for. Also, the newer OS usually is more memory-intensive... | [
"url"
] | [
"url"
] | |
5upjg3 | Why is it so hard to emulate (for example) PS2 games smoothly in a "basic" computer even tho they're way more powerful than the console? | Technology | explainlikeimfive | {
"a_id": [
"ddvv7ap",
"ddw65jx",
"ddvuvf2",
"ddw05am",
"ddw0pl5",
"ddw2oce",
"ddvw6b5",
"ddw82xa",
"ddw2l5e",
"ddw4n65"
],
"text": [
"The emulator has to translate the CPU instructions of the console and game you're emulating into something your own computer's CPU can ... | [
"url"
] | [
"url"
] | |
5uqm17 | When you turn the volume up on a radio or tv, what actually happens to the soundwaves? | Technology | explainlikeimfive | {
"a_id": [
"ddw5yck",
"ddw3ukz"
],
"text": [
"The sound wave [amplitude]( URL_0 ) increases. Sound is composed of compression/decompression waves in the air (or water, or whatever). If you change how rapidly the air gets compressed/decompressed, you change the pitch of the sound. If you change the in... | [
"url"
] | [
"url"
] | |
5uslqg | How does rendering a video game at a resolution higher than what my monitor can show make things prettier? | You hear a lot of "Oh, you render more and then each pixel on your monitor becomes more pure and you get a clearer image" But that makes no sense to me, if the pixel is going to show red then it will still show the same red imagining there are more pixels. | Technology | explainlikeimfive | {
"a_id": [
"ddwl11x"
],
"text": [
"Imagine that you're just drawing something black and white, like text. At low resolution a particular pixel at the edge of the letter is black. But at 4x that resolution, it's a 2x2 square, of which 3 pixels are black, and one is white. These pixels are then averaged to... | [
"url"
] | [
"url"
] |
5uswji | how do finite numbering systems like phone numbers or social security numbers work? | Technology | explainlikeimfive | {
"a_id": [
"ddwm510"
],
"text": [
"Area codes were assigned very carefully. Back in the day you had to wait for that rotary dial to turn all the way and they weren't quick. Therefore the \"short\" area codes - 212, 312, 215, etc - were all assigned to large cities, in this case NY, Chicago and Philadelph... | [
"url"
] | [
"url"
] | |
5uswrl | What software do game developers use to put maps together? | I've always wondered how game developers put maps together. For example, how was the map in GTA V put together? Do they use prosperity software to stitch together assets and textures, or do they make the whole map as one solid lump in something like Blender or 3DS Max? | Technology | explainlikeimfive | {
"a_id": [
"ddwv42f"
],
"text": [
"They make their own most of the time. There are way too many to list, so I'm going to list the 2 most popular ones (going to skip the ones from UE and Unity): - Radiant: used in every single id Tech 3+ game and games based on that engine (the most popular one being of c... | [
"url"
] | [
"url"
] |
5ut0kl | how do they get a photo or image transferd to a printing press? | How do they take a picture (lets say on a paper) and transfer the picture to the printing press, so they can print it in large numbers? | Technology | explainlikeimfive | {
"a_id": [
"ddwm7gd"
],
"text": [
"modern day full color printing presses are basically flow thru laser printers. your image is split into 4 colors, cyan, magenta, yellow, and black. or sometimes 8 colors, cmyk and light cyan, light magenta, light yellow and light black. each of those single color shade ... | [
"url"
] | [
"url"
] |
5ut5im | Why do people hate Steve Jobs so much? | Technology | explainlikeimfive | {
"a_id": [
"ddwmv4j",
"ddwmmbz"
],
"text": [
"He was kind of a sleazy guy in real life. He tried to disown his own daughter, as in denying paternity. URL_0 He was abusive to employees, and had little regard for the working conditions of people who made Apple products. URL_1 It's not hard to find reas... | [
"url"
] | [
"url"
] | |
5utc7u | Why does a web page, image, or video always seem to load the exact second I press the back button? | Technology | explainlikeimfive | {
"a_id": [
"ddwptz9",
"ddwpzcv",
"ddwpbko"
],
"text": [
"A web page will try to load everything before it shows on your screen. Sometimes tho it gets stuck somewhere and you only see blank screen. When you press back button all the loading gets stopped and it displays what was loaded while your b... | [
"url"
] | [
"url"
] | |
5uu73s | How can a wireless router send MILLIONS of bits of information to a computer in only 1 second? | Technology | explainlikeimfive | {
"a_id": [
"ddwwi4m"
],
"text": [
"It sends them one after the other... and really, really fast. What are wondering about specifically? Edit: read the following answer"
],
"score": [
3
],
"text_urls": [
[]
]
} | [
"url"
] | [
"url"
] | |
5uua84 | What happens when you run a Windows program in Compatibility Mode? | Technology | explainlikeimfive | {
"a_id": [
"ddwvqsc"
],
"text": [
"Windows systems change over time, with new versions. Even if a program's code is still executable on a new windows version, an older program might depend on other files that older windows versions almost always had stored on the system, or it might depend on some window... | [
"url"
] | [
"url"
] | |
5uub63 | Why do high performance engines pressurize their gasoline more than regular engines? | Piggy backed off of the post asking about the difference between regular and premium fuels. Also (semi-related), why couldn't a high performance engine use less pressure? | Technology | explainlikeimfive | {
"a_id": [
"ddwvzch",
"ddx0g39"
],
"text": [
"The amount of power an engine produces is a product of how much exploding it does. One way to increase exploding is to make bigger exploding chambers. That makes the engine bigger and bigger engines are heavier and limited in how fast they spin. If i want... | [
"url"
] | [
"url"
] |
5uveru | Why are old 90s PC games so twitchy and fast on current computers? | Technology | explainlikeimfive | {
"a_id": [
"ddx4ugl"
],
"text": [
"Because many of them tie their internal timing to the speed of the cpu clock, making the game run faster the faster your cpu is, not unlike how many console games on PS2 and earlier were coded. Not all games were coded like this, however."
],
"score": [
21
],
... | [
"url"
] | [
"url"
] | |
5uvfiv | What is the difference between MP and resolution in a camera? | For example, a 4K photo is 3840 x 2160. This is equal to around 8.3 million pixels, or 8.3 Megapixels. So in a camera, what is the point of having 16MP, or 20MP or more, when the resolution only shows 8 million? | Technology | explainlikeimfive | {
"a_id": [
"ddx5chg",
"ddx9xcm"
],
"text": [
"I'd imagine it'd be for clarity when blowing up images. the additional megapixels allow for images being scaled up to maintain their sharpness.",
"As other people are spectating is correct; For clarity and zoom. A good example is this link here, URL_0... | [
"url"
] | [
"url"
] |
5uvq05 | Byte Storage | When a program or software claims to require "x amount of space", what exactly is happening? Such as if on a 3DS, a game claims to require 200 units of space, is that just 0s and 1s being inserted on an SD card? How and what is "put" on a hard drive or SD card exactly, 0s and 1s? Sorry if this is confusing. | Technology | explainlikeimfive | {
"a_id": [
"ddx7nke"
],
"text": [
"Think of an SD card like a piece of graph paper. You can fill in squares and erase squares to create block pictures. You're never physically adding squares to the paper, you're just drawing and erasing sections of the already existing papers. So you're limited by whatev... | [
"url"
] | [
"url"
] |
5uvyjc | How were the older cartridge games programmed? | Did the programmers have to know machine code to make the games, or was there some sort of higher-level language that compiled down to machine code, or something else entirely? | Technology | explainlikeimfive | {
"a_id": [
"ddx9f9j"
],
"text": [
"The oldest cartridge games (like for the Atari 2600) were programmed exclusively in assembly language. For the 2600 specifically, programmers often kept track of how many cycles their commands took in order to avoid overly long functions that would cause the video outpu... | [
"url"
] | [
"url"
] |
5uw0p8 | How is information stored in the black plastic strip on a credit card? | Technology | explainlikeimfive | {
"a_id": [
"ddxbjc3"
],
"text": [
"Iirc it's a set of magnetic zones with different directions, North and South poles, that the card reader can translate into numbers, like binary to regular text."
],
"score": [
13
],
"text_urls": [
[]
]
} | [
"url"
] | [
"url"
] | |
5uxmht | Why do monitors look weird when you press on them? | All of them do it, even touchscreen ones if you press hard enough. Why? | Technology | explainlikeimfive | {
"a_id": [
"ddxqg15"
],
"text": [
"Not all of them do, just LCD displays. The \"L\" in LCD stands for \"liquid\", and when you press on the screen, you are moving the liquid around, causing the color from the pixels to be messed up. Most smartphones don't have this issue as the glass is much stronger, so... | [
"url"
] | [
"url"
] |
5uxmyt | how are smart phones and tablets able to keep getting faster without ever needing a fan, when older computers with the same performance needed big fans? | Technology | explainlikeimfive | {
"a_id": [
"ddxogcm"
],
"text": [
"The reason for this is that the electronics get smaller. Smaller electronics have less electric resistance, so they're able to do the same work without consuming as much power and therefore also without developing as much heat. Processing power has doubled without incre... | [
"url"
] | [
"url"
] | |
5uymk0 | What happens to the information when you "delete" a file? (Ex. Empty your computer's trash, delete a picture) | Technology | explainlikeimfive | {
"a_id": [
"ddxujyq",
"ddy5e6v",
"ddxu9nw",
"ddxuaf6"
],
"text": [
"Trash is just a folder where files go when you delete them so that you have an option to restore them if you deleted accidentally, they work just as any other folder. When you empty the bin, the file is really deleted from th... | [
"url"
] | [
"url"
] | |
5uytdu | Why haven't video games on numerous platforms incorporated cross-platform capability yet? What holds developers back when their game is on every platform individually? | Technology | explainlikeimfive | {
"a_id": [
"ddxvseg"
],
"text": [
"The Platform companies not wanting to allow it. They believe they will get less money because people will not buy multiple copies of a game, and they believe that people may move away from their platform entirely. There are also concerns that mouse and keyboard on compu... | [
"url"
] | [
"url"
] | |
5uyyr3 | How does Mastercard know my clothing size? | [This article]( URL_0 ) says that Mastercard knows my clothing size because "there’s enough information in a product’s Stock Keeping Unit, or SKU, to determine clothing size". This data could be used to estimate my weight and height and provide this information to flight companies. But how does Mastercard even know wha... | Technology | explainlikeimfive | {
"a_id": [
"ddxx7ao",
"ddxyzc9"
],
"text": [
"The article is about a patent that MasterCard filed. Patents are used to protect original and non-obvious ideas -- they give the owner of the patent exclusive rights to the idea for a fixed period of time. This is so you can't come up with a great idea an... | [
"url"
] | [
"url"
] |
5uzb9i | For massive websites like Amazon or Google, how are they built, scaled to a large size, and maintained? | Technology | explainlikeimfive | {
"a_id": [
"ddy5o8v"
],
"text": [
"Well I am a web developer at the opposite end of things to Amazon and Google. If websites were ships those guys are making supertankers and aircraft carriers while I am making kayaks so I can't claim the expertise to actually build things like that but maybe I have enou... | [
"url"
] | [
"url"
] | |
5v13xh | If google encrypts my e mail in transit and at rest how do thry read it to target ads? | Technology | explainlikeimfive | {
"a_id": [
"ddyftas"
],
"text": [
"It's like someone is giving you a box with a code lock and you can put something inside and he will deliver it wherever you want. But still.. He knows the code."
],
"score": [
5
],
"text_urls": [
[]
]
} | [
"url"
] | [
"url"
] | |
5v19zn | What exactly went wrong when you have to use the pinhole reset switch on an MP3 player? What exactly does that little switch do? | Technology | explainlikeimfive | {
"a_id": [
"ddygvcq"
],
"text": [
"There are times when software gets confused and lost. When it is lost it doesn't know how to get back to home, and home the only place it knows how to \"be an mp3 player\". Pressing the reset button is like having a GPS tracker on someone who's lost - when you press it,... | [
"url"
] | [
"url"
] | |
5v1g36 | How do the newer microwaves that can have metal placed inside them work? | I was at a Sears recently and saw some new microwaves advertising that metal could be put in the microwave without any harm to the appliance itself. How does this work? | Technology | explainlikeimfive | {
"a_id": [
"ddyjric"
],
"text": [
"The metal inside is rounded, which helps prevent the charge from finding a way to arc out. Metal in microwaves builds up electric charges that shoot out at the edges. Things like aluminum foil has a lot of edges and corners. Truth be told, if you ding or clip any of tho... | [
"url"
] | [
"url"
] |
5v1nb1 | Why do different cars require different grades of gasoline? Do some engines actually require premium unleaded or is it just a scheme to make you spend more money? | Technology | explainlikeimfive | {
"a_id": [
"ddyjjnb"
],
"text": [
"octane is an additive that makes gasoline less combustable. engines that have very high compression ratio (the ratio of cylinder volume at the bottom of the stroke vs the top of the stroke) can make the gasoline detonate before the piston gets to the top of the stroke. ... | [
"url"
] | [
"url"
] | |
5v1uyd | What are fair split screens? | Technology | explainlikeimfive | {
"a_id": [
"ddylv04"
],
"text": [
"If you're going to ask about a current Reddit post, [it's helpful to include a link to it in the question]( URL_0 ). Split screen video games are where you have multiple players, each with their own view on half the screen. Think playing Golden Eye/Halo on a single syst... | [
"url"
] | [
"url"
] | |
5v26ak | What is the difference between a Get Request and a Post in HTML? | Technology | explainlikeimfive | {
"a_id": [
"ddyynec"
],
"text": [
"It's a part of HTTP, the protocol that defines how webpages are transferred, not HTML, the language in which they are written. So in HTTP, there is a field in the request called \"method\" which can be GET, POST, or a few others. GET is for reading data, and cannot have... | [
"url"
] | [
"url"
] | |
5v6byx | How does the Pirate Bay keep maintaining a well known easy to type DNS address? | After the big raid in 2006 and the other subsequent attempts to shut down the Pirate Bay, I naturally assumed that we would all very shortly end up needing to copy-paste IP addresses into our address bar to access the Pirate Bay site which we'd be sharing on forums or whatever. But to my surprise, I've never had to do ... | Technology | explainlikeimfive | {
"a_id": [
"ddzjuvp"
],
"text": [
"Well, you mainly need to understand the politics of domain names and ICANN. ICANN, or the Internet Corporation for Assigned Names and Numbers, is the organization that oversees the internet in general through two primary tasks, IP address allocation to ISPS, and DNS. Th... | [
"url"
] | [
"url"
] |
5v6l1z | How does Bluetooth work? | Technology | explainlikeimfive | {
"a_id": [
"ddzlqf9"
],
"text": [
"Bluetooth is essentially marketing. It branded a specific radio frequency and standardised how devices talk to each other. The actual technology is nothing special."
],
"score": [
6
],
"text_urls": [
[]
]
} | [
"url"
] | [
"url"
] | |
5v79kt | How does a wireless phone charger work? How can the phone receive more energy without being connected at all? | Technology | explainlikeimfive | {
"a_id": [
"ddzrt8s",
"ddzs0wn"
],
"text": [
"The charging base has an electromagnetic transmitter, and in your phone is a receiver that is connected to your battery charging circuit. basically, they are both magnets. Electricity and magnetism are related, and you can use the difference of potential ... | [
"url"
] | [
"url"
] | |
5v79zt | How come you can us your finger or stylus when scrolling on an iPhone, but not a pencil eraser? | Technology | explainlikeimfive | {
"a_id": [
"ddzrjhk",
"ddzsx68",
"ddzvb45"
],
"text": [
"iPhones (and other similar smartphones and tablets) use what is called a capacitive touchscreen. This means that it uses the electricity flowing through your body to complete a circuit to detect touch. The styluses that work with these scre... | [
"url"
] | [
"url"
] | |
5v9d8i | What is the difference between computer science and computer engineering? | Technology | explainlikeimfive | {
"a_id": [
"de09e76",
"de0bbr6",
"de0gmmy"
],
"text": [
"\"Science\" is a research activity whereby new knowledge is identified. \"Engineering\" is applying knowledge to solve a specific problem. For computers, this is often seen as two fields: \"software engineering\" and \"hardware engineering\... | [
"url"
] | [
"url"
] | |
5va82m | Why hasn't a "new Facebook" broken through after all these years? | Technology | explainlikeimfive | {
"a_id": [
"de0kg39",
"de0g778",
"de0ia4s",
"de0glif"
],
"text": [
"Well, for one thing there HAS been a large number of successful social networks that have risen up since Facebook became popular, like Twitter, and Instagram. If you look at more specific services that exist to fill a certain... | [
"url"
] | [
"url"
] | |
5vb5f8 | Why are people getting arrested for having Kodi? Doesn't Kodi just organize the user's media? Even if the media is illegal or not, it's the user's issue. | Just as the title says. | Technology | explainlikeimfive | {
"a_id": [
"de0n278"
],
"text": [
"It's hard to say specifically, since you do not refer to a specific incidence. However, several people have been arrested for distributing boxes that *have* Kodi, not because Kodi is present but because they have also pre-loaded software on them which features unlicense... | [
"url"
] | [
"url"
] |
5vbdoe | Why do different countries/regions have different voltage outputs and outlet shapes? | For example, the US and Canada have 110-120V output while the Middle East has 220-240V output. The shape of the wall outlets are very different too. I know this is rectified using adapters and power transformers but why have different systems in the first place? | Technology | explainlikeimfive | {
"a_id": [
"de0oms3"
],
"text": [
"Most of the world has a 220-240 V / 50 Hz (All of Europe, most of Asia, most of Africa). America (US, Canada, Mexico, central america and a couple of countries in south america) have 110-120V/60 Hz. When changing from direct current to alternate current (DC/AC) two stan... | [
"url"
] | [
"url"
] |
5vc2xd | How do the little green glowing sights on my handgun continue to glow in the dark despite being kept in a dark safe for months? | Technology | explainlikeimfive | {
"a_id": [
"de0tn7i",
"de0ttsm"
],
"text": [
"They contain a radioactive element, tritium. That excites the gas inside and glows green. They usually glow for about ten years and you will need to get them replaced of you still want that feature.",
"Probably because they use Tritium (Hydrogen-3). T... | [
"url"
] | [
"url"
] | |
5vc4na | What is a computer 'memory leak'? | I see it's a huge issue with PC software but have no clue what it means. Can someone kindly explain it to me in simple terms please | Technology | explainlikeimfive | {
"a_id": [
"de0uuqu",
"de0uy56",
"de0uj2d",
"de0uf4y",
"de0xh8m"
],
"text": [
"Modern operating systems let you run multiple programs at once, but you only have one pool of RAM that they all have to share. The way that works is that when a program wants memory, it asks the operating syste... | [
"url"
] | [
"url"
] |
5vc5wh | What is a "memory leak" (in a PC/phone/etc..) and how does it happen? | Technology | explainlikeimfive | {
"a_id": [
"de0uszg"
],
"text": [
"In its simplest form, a memory leak is what happens when a program doesn't discard memory it isn't using anymore. Think about it like a bookshelf. Every time your program needs some memory (a book), it goes and gets it from the shelf. When it's done with it, it frees up... | [
"url"
] | [
"url"
] | |
5vcxsi | Why do some devices (like a cordless razor) slow down as the battery runs low but others can put out full power (like a laptop or smartphone) | I am wondering why my razor slows down as the battery level decreases, but my laptop can run games with full brightness and sound right until the moment it powers off at 0% battery. | Technology | explainlikeimfive | {
"a_id": [
"de1316t"
],
"text": [
"As your battery runs down, the voltage it outputs drops. For a device with a motor like a razor, that means that it runs slower, since the reduced voltage doesn't push/pull on the electrons quite as hard and the current flow is reduced. With many digital devices, howeve... | [
"url"
] | [
"url"
] |
5vdilj | Satellite TVs transmit terabytes of information everyday with 500+ channels and HD programming to millions of homes for very reasonable prices, why isn't the internet similarly available for public use? | Technology | explainlikeimfive | {
"a_id": [
"de16cw8",
"de1a4du"
],
"text": [
"Internet is two-way. Satellite TV can broadcast the signal to everyone at once, because everyone gets the same channels. With internet, everyone's computer is asking for a different thing.",
"A satellite sends the transmissin ONCE towards the Earth. Y... | [
"url"
] | [
"url"
] | |
5vdz30 | How does Facebook determine which people to show activity from on my news feed? | Technology | explainlikeimfive | {
"a_id": [
"de1b2cj",
"de1bst9"
],
"text": [
"That's part of their secret sauce and what makes Facebook what it is. That's kind of like asking how is Google so efficient at searching the internet. We can imagine Facebook looks at correlations, such as whether you have listed them as family in your pr... | [
"url"
] | [
"url"
] | |
5vel5i | Why is the same exact text message sometimes received twice when only sent once? | Technology | explainlikeimfive | {
"a_id": [
"de1gc50"
],
"text": [
"Phone: Please send this message and let me know that it's sent. Provider: I got the messag- a... it... ...ved. Phone: It's not properly sent? Let me send it again. Provider: It has been received! I got the message and it has been received! Phone: Two confirmations? I on... | [
"url"
] | [
"url"
] | |
5vg8u9 | Why is that computers connect to just one wifi connection and not multiple ones at the same time? | Technology | explainlikeimfive | {
"a_id": [
"de1uvhs",
"de1ui9c"
],
"text": [
"Wifi cards only have one tuner and transmitter, think of it like a standard radio. You cant tune to 2 stations at the same time, a transmitter can only transmit on one station at a time as well.",
"It only has one WiFi card. You should be able to conn... | [
"url"
] | [
"url"
] | |
5vgc97 | Why is there a num lock key on the keyboard? In what situation would you not want the number keys to work? | Technology | explainlikeimfive | {
"a_id": [
"de1va2u"
],
"text": [
"In earlier days of computing, the NUM keys were also the ARROW keys and directional keys. The Num Lock was a necessary key to turn on and off the numerical vs. directional functions of the keyboard and is a feature that is still included to this day. Even my Razer Chrom... | [
"url"
] | [
"url"
] | |
5vgfjx | Why does every radio station seem like they go on commercial break at the same time? | Technology | explainlikeimfive | {
"a_id": [
"de1w608",
"de1w97w"
],
"text": [
"They often run breaks at neat round-number times. For example the station will air news and traffic reports on the hour, so they'll put an ad break just before that.",
"most radio stations are broadcast subsidiaries of the same company, clear channel.... | [
"url"
] | [
"url"
] | |
5vh8s2 | What's the difference between development and production in programming? | Technology | explainlikeimfive | {
"a_id": [
"de22lya"
],
"text": [
"Production are the servers that are actually running a business and dealing with customers and real data. Right now, you are on the the Reddit \"production\" server. While you're writing software, you need to go through various levels of testing and quality control befo... | [
"url"
] | [
"url"
] | |
5vjemt | How does GPS work in space? | The SpaceX delivery to the ISS was aborted today due to GPS errors in space. How does GPS work in space when GPS satellites and the Dragon delivery craft are both moving? I thought GPS location was calculated based on a stationary object on earth calculating its position relative to moving GPS satellites in space. | Technology | explainlikeimfive | {
"a_id": [
"de2i5ce"
],
"text": [
"A moving object can still calculate its position relative to GPS satellites. The speed of the vehicle is negligible compared to the speed of the signals. Many receivers also keep track of a number of measurements over time, specifically to monitor their movement, and de... | [
"url"
] | [
"url"
] |
5vjm8c | how do coin dispensing machines know the difference between $1, $5, $10 etc. dollar bills? | Technology | explainlikeimfive | {
"a_id": [
"de2qbv3",
"de2zc92"
],
"text": [
"Paper money printed in the United States contains, in addition to a plethora of visible security features, some very elaborate methods to assist in automated denomination recognition. The primary method vending machines use to recognize the denomination o... | [
"url"
] | [
"url"
] | |
5vjmno | How do nature documentaries get such good sound? Do they use foley artists? | There's always a whole lot of behind-the-scenes fascination behind how nature documentaries get the "perfect shot", but none ever really address how they isolate the sound of whatever they're filming. Given that they typically use zoom lenses from long distances, in environments with lots of ambient noise, it seems lik... | Technology | explainlikeimfive | {
"a_id": [
"de2lvzd",
"de2jxnt",
"de2ng4l",
"de2lil5",
"de2vjkt"
],
"text": [
"One legendary sound recorder for nature docs is Chris Watson. He used to be in Throbbing Gristle. Now he does the sound for David Attenborough. I once did a workshop in field recording with him. Getting sound t... | [
"url"
] | [
"url"
] |
5vjnms | why don't we use a slingshot, like an aircraft carriers, to launch rockets and shuttles to space. Wouldn't that reduce the onboard fuel needs? | Technology | explainlikeimfive | {
"a_id": [
"de2kqob"
],
"text": [
"Keep in mind that the catapult system on an aircraft carrier launches aircraft horizontally, not vertically. I'll get in to why that's important in a second. The current (steam) system on a carrier is **HUGE**. The majority of it is housed below deck and is not visible ... | [
"url"
] | [
"url"
] | |
5vkftr | How many earth-like planets can aliens see in our solar system using our technology? | For example if Aliens lived on a planet around Alpha Centauri, how much would they be able to tell about our planets? & nbsp; Would they think the probability of life on earth and mars (and venus) are pretty much the same? Or would they say that mars is "probably" just a rock and earth has water and atmosphere? How man... | Technology | explainlikeimfive | {
"a_id": [
"de2z0f7"
],
"text": [
"On one hand, they would probably have trouble seeing Earth, since we have several gas giants on the outer edge of our solar system; most Human technologies for detecting planets has to do with gravity's effects, and having large gas giants can obscure the smaller gravit... | [
"url"
] | [
"url"
] |
5vkp0q | What exactly is, and the significance of, NASA's announcement today? | Technology | explainlikeimfive | {
"a_id": [
"de2u7bk",
"de37a11",
"de30l7m",
"de2thvl"
],
"text": [
"NASA announced today the discovery of a small star system with \"Goldilocks zone\" planets orbiting the star. By this, I mean that all 7 planets are approximately the right distance away from the star to have liquid water or ... | [
"url"
] | [
"url"
] | |
5vktb2 | Where did the folder name "DCIM" come from for the names of the folders made by digital cameras? | Technology | explainlikeimfive | {
"a_id": [
"de2u9ii",
"de2uggl",
"de2u658"
],
"text": [
"DCIM stands for (D)igital (C)amera (Im)ages. It's the name for the file folder digital cameras should store images, specified by the Japan Electronics and Information Technology Industries Association, which created the book of standards fo... | [
"url"
] | [
"url"
] | |
5vly5l | Why would a government want to invest in coal powered power plants as opposed to wind/solar? | Technology | explainlikeimfive | {
"a_id": [
"de346ig",
"de34iq6",
"de34pd5",
"de3jzux",
"de37tnr",
"de39m4y",
"de3ht8v"
],
"text": [
"It shouldn't. There is no economic reason to be investing in coal at this point, as coal is more expensive, more dangerous, more damaging to the environment (and thus to your taxpa... | [
"url"
] | [
"url"
] | |
5vlzx2 | With the new finding of the seven earth sized planets, how will humans determine whether there is life on them and how long would it take to do? | Technology | explainlikeimfive | {
"a_id": [
"de38xjw"
],
"text": [
"The planets are 39 light years away, so getting a probe or something over there would take quite hundreds of years or more with our current tech at it's best. Fortunately, we don't have to do that. The best thing we can do is to look for signs of the kinds of gases life... | [
"url"
] | [
"url"
] | |
5vmcia | How does Google know that you get the letters correct in a captcha! if they were designed so that computers can't read them? | Technology | explainlikeimfive | {
"a_id": [
"de38kzf",
"de36tx1"
],
"text": [
"There are two(ish) main types of captcha: 1) Computer generated word images. In this case, it's obvious why the computer can know if you've typed it in correctly. 2) Not computer generated captcha. This is the kind that comes with two word-images. Only on... | [
"url"
] | [
"url"
] | |
5vmera | Can SETI listen to radio activity from TRAPPIST-1? | Technology | explainlikeimfive | {
"a_id": [
"de3btr2",
"de3ach2"
],
"text": [
"They can. May not be worthwhile, though, as from what I recall the system is pretty young (possibly less than a billion years old). We can also send a signal at them directly, although it'd take 40 years for the signal to reach them, and another 40 years ... | [
"url"
] | [
"url"
] | |
5vni9l | Why do people tend to behave more poorly on Facebook despite a complete lack of anonymity? | I know this is **extremely generalized**, but, why is it that people tend to behave worse on Facebook even though your real identity is literally on display? You'd think that that fact alone would cause people to act completely differently. Compare that to a site like Reddit; people here have the ability to be complete... | Technology | explainlikeimfive | {
"a_id": [
"de3fsnm",
"de3yefu",
"de3vkya"
],
"text": [
"Anonymity is a very powerful promoter of bad behavior, but it is not the only one. Two things that help promote good behavior is consequences and our natural empathy. On facebook there are somewhat limited consequences, especially when inte... | [
"url"
] | [
"url"
] |
5vok7v | Why are radios so complicated? Why can't someone just plug an antenna into a speaker or oscilloscope and catch a frequency? | Basically, I was wondering what all of the components and chips inside of a radio are for | Technology | explainlikeimfive | {
"a_id": [
"de3ngcb",
"de3r3hi",
"de3noym"
],
"text": [
"You very nearly can just plug an antenna into a speaker and catch a frequency. What you're describing is a 'crystal set' and operates purely on the radio waves without the need for it's own power source. Crystal sets were popular in the 'ol... | [
"url"
] | [
"url"
] |
5vp4sv | How could scientists confirm life exists on another planet "very soon"? | Technology | explainlikeimfive | {
"a_id": [
"de3scoz"
],
"text": [
"If they detect certain gases in significant amounts (specifically methane and oxygen) this would be **very** suggestive of organic chemistry. These gases don't tend to stick around before turning into something else so their presence would suggest an active process that... | [
"url"
] | [
"url"
] | |
5vpvoj | What actually happens when we shut a website down with the "Reddit hug of death"? | Technology | explainlikeimfive | {
"a_id": [
"de3utbl"
],
"text": [
"The server that the website is hosted on is bombarded with too many requests at the same time for that website. A great analogy for this is a mail room. A mail works fine when there aren't that many people sending mail. But when lots of people try to send their mail at ... | [
"url"
] | [
"url"
] | |
5vq9vo | How interruptive are the effects of Wireless and Electromagnetic waves on living organisms? | I recently had the wild realization that for the most part, the vast majority of the population lives in neighborhoods and houses surrounded to the brim with Power-lines and loads of gadgets inside. Are living organisms (such as forests or animals) affected by these waves and if so what exactly is happening? Have there... | Technology | explainlikeimfive | {
"a_id": [
"de3xhce"
],
"text": [
"It's important to realize even without gadgets, powerlines, and wi-fi, you are *still* and *always* being bombarded by electromagnetic waves. Essentially every object in the universe is emitting electromagnetic radiation, including you, rocks, televisions, air molecules... | [
"url"
] | [
"url"
] |
5vqye0 | How did old games and computers display large numbers? | For instance, the NES was 8-bit, and 8-bit integers can only be between 0-255. Yet the score (in say Super Mario Brothers) can be into the hundreds of thousands, something even a 16-bit integer can't handle. Pac-Man also let you score up to over 3 million even though the level counter would break at level 256. | Technology | explainlikeimfive | {
"a_id": [
"de43km7",
"de43ipi",
"de4ez02",
"de433yw"
],
"text": [
"The same way you write and do math with numbers larger than 9 despite the fact the only digits you have to work with are 0-9, you chain them together. 8-bit microprocessors are designed with instructions that make doing opera... | [
"url"
] | [
"url"
] |
5vr15v | How do Bluetooth IEMS/Headphones actually transmit sound without any physical connection between the IEM and device it is paired with? | Technology | explainlikeimfive | {
"a_id": [
"de45jas"
],
"text": [
"The sound is converted into a radio wave and broadcast to the receiver, which then receives the waves and converts them back into data. This data could be sound, or it could be any other kind of data you'd like to send. Anything and everything \"wireless\" works in this... | [
"url"
] | [
"url"
] | |
5vr6xm | How do headphones work? | Technology | explainlikeimfive | {
"a_id": [
"de454n7",
"de4zjh1"
],
"text": [
"Pretty basic. The audio plug is called a TRS (or TRRS, it depends). The connector has three leads: \"left\" and \"right\" voltage signal and ground. You can see this for yourself by counting the number of sections on each audio plug (the sections are divi... | [
"url"
] | [
"url"
] | |
5vrh4h | Why in most computer calculations 1/(0.2-0.1-0.1) gives the correct result but 1/(0.3-0.1-0.1-0.1) doesn't? | In all programming languages that I've tested, in MS Excel, in Google Sheets, in Windows and MacOS caluculators, in Wolfram and so on, the calculation `1/(0.2-0.1-0.1)` give an error or "infinity", but the calculation `1/(0.3-0.1-0.1-0.1)` gives a number ~`-3.6E16` and `1/(0.4-0.1-0.1-0.1-0.1)` gives the same number on... | Technology | explainlikeimfive | {
"a_id": [
"de48bhg",
"de48v9j",
"de4jsnk"
],
"text": [
"The problem is that it's doing the calculations in binary and can only store a limited number of digits. 0.1 can't be stored exactly in binary, in the same way as 1/3 can't stored exactly in decimal. You get rounding errors similar to the p... | [
"url"
] | [
"url"
] |
5vryas | iPhones regularly start to malfunction after 2-3 years of use. Why is this not considered a bad product at $700-800 MSRP? | Technology | explainlikeimfive | {
"a_id": [
"de4d67s",
"de4dis7"
],
"text": [
"What sorts of malfunctions are people experiencing? I'm not trying to be snarky; I honestly didn't realize there were problems with the products. We (my family) bought 3 iphone 5s in December ~~2102~~ 2012 (thanks, /u/naf623, for pointing out my error!) a... | [
"url"
] | [
"url"
] | |
5vs1wp | What's so special about the AMD Ryzen | Specifically why did it take so long to catch up to intel and how did they do it? | Technology | explainlikeimfive | {
"a_id": [
"de4e0pg"
],
"text": [
"Someone will probably come along and give you a longer more detailed explanation but the TLDR version is: Bulldozer cores were designed for high frequencies and multithreading at the sacrifice of ipc(instructions per cycle). Bulldozer's IPC was actually considerably low... | [
"url"
] | [
"url"
] |
5vs78d | The first SHA1 collision by Google | Technology | explainlikeimfive | {
"a_id": [
"de4f37n"
],
"text": [
"SHA1 is a hash algorithm. It takes some data, runs it through complicated math, and gets something like a fingerprint. You always get the same fingerprint for the same data, but you can't get the data from the fingerprint. SHA1 only produces a fingerprint of 160 bits (1... | [
"url"
] | [
"url"
] | |
5vsgyl | Will there be a point of video games graphics becoming so advanced that the technology will plateau and the human eye won't be able to perceive any further improvements? | Technology | explainlikeimfive | {
"a_id": [
"de4k46o"
],
"text": [
"Perhaps, but we are still far off from that point. Our brains are wired to notice all kinds of details about lighting, things that tend to be computationally intensive to simulate. Hair is still very hard to render believably in real time, for another good example."
]... | [
"url"
] | [
"url"
] | |
5vsnqq | Why aren't computers and other electronic devices instant, why is there a 'loading' time? | Technology | explainlikeimfive | {
"a_id": [
"de4izxq",
"de4q5yv"
],
"text": [
"because of how electronics work at the basic level. everything is synced to a metronome called the processor clock. the entire orchestra of several billion transitors operates on the processor clock's conductor timing. when processor clock says your data'... | [
"url"
] | [
"url"
] | |
5vst7l | What's the point of the "press any button to continue" screen in some video games, why not just boot to the main menu? | Technology | explainlikeimfive | {
"a_id": [
"de4k6fg",
"de4nces",
"de4o8zp"
],
"text": [
"Artistically maybe they wanted to show a \"clean\" screen without a bunch of menu options on it. But there's really no technical reason to have one. A bunch of games boot directly to the main menu. A better question is why are there unskipp... | [
"url"
] | [
"url"
] | |
5vtmdz | Information Tech professionals of Reddit... How can you tell what people are using their work computers for? | Someone in my office got fired today for unethical use of their work computer. How does IT know what is going on? Does clearing search history/browsing info/ cookies/ ect really do anything? What information can IT departments tell about computers and how? | Technology | explainlikeimfive | {
"a_id": [
"de4rf06",
"de4sfyu"
],
"text": [
"All your internet traffic is sent through a device called a router. That router keeps logs of what IP address (a unique identifier for each computer on the network) performs what actions and what traffic goes through it. If a known viral program is access... | [
"url"
] | [
"url"
] |
5vucp9 | Could two different passwords have the same hash? Would this seriously affect password security? | Technology | explainlikeimfive | {
"a_id": [
"de4xsua"
],
"text": [
"Yes, this is called a \"hash collision.\" How common collisions are depend on the algorithm. With typical algorithms it's quite unlikely that two users would actually pick passwords that end up with the same hash. The real problem with collisions is that it makes it muc... | [
"url"
] | [
"url"
] | |
5vuvom | Why do computers slow down significantly over a few years compared to when it was purchased if hardly anything has been downloaded? | Technology | explainlikeimfive | {
"a_id": [
"de53gpu",
"de556rm"
],
"text": [
"They do and they don't. They do in the sense that if you use a computer enough you will eventually create loads of temp files, startup programs, etc. This causes things to slow down as the computer has more to load. A fresh install of the operating system... | [
"url"
] | [
"url"
] | |
5vuzsu | why does the max volume on my device vary so much based on what it is playing? | For instance between one youtube video and another, the max volume can be very quiet or decently loud. Why can't the quiet video sound just as loud? | Technology | explainlikeimfive | {
"a_id": [
"de53k5p"
],
"text": [
"It is entirely dependent on the volume level used when mastering the video/song/etc. Some use a standard 'volume'. This is why all songs on iTunes are almost identical volume when they play at the same level on your phone. However, YouTube doesn't require this and as su... | [
"url"
] | [
"url"
] |
5vvg3e | How does getting rid of Net Neutrality improve competition in a way that benefits the consumer? | I've been seeing this argument from the dawn of time and never understood it. | Technology | explainlikeimfive | {
"a_id": [
"de58p8b",
"de579od",
"de5aau6",
"de5a919",
"de5d3d2"
],
"text": [
"Getting rid of Net Neutrality does NOT benefit the consumer. CGP Grey have made a 3½ minute video about it, that is vary easy to understand. URL_0",
"This question cannot be answered because the premise is ... | [
"url"
] | [
"url"
] |
5vwhel | what did CloudBleed take or break, and how is it used maliciously? | Technology | explainlikeimfive | {
"a_id": [
"de5ftw6",
"de6ztn0"
],
"text": [
"For some domains (for example URL_1 ) Cloudflare sits between you and the actual website. This way they can prevent websites from attacks and also make sure the website loads fast on your laptop, because they always have a server nearby. The problem is th... | [
"url"
] | [
"url"
] | |
5vxqam | Why will my phone's autocorrect suddenly replace real, properly spelled words with some other word? | Shouldn't they just correct mistakes? How does it determine what to change? | Technology | explainlikeimfive | {
"a_id": [
"de5qz3s",
"de5oh31"
],
"text": [
"Based on the context of your typing, the autocorrect thinks that you're supposed to say something else - a word that probably most users say in that context.",
"In that scenario it's being predictive - Basically, if I type out \"Let's go to the\" and ... | [
"url"
] | [
"url"
] |
5vxrvv | Why is seemingly every TV's volume unbearably loud at like 30/100? What is the last 70% for? | Technology | explainlikeimfive | {
"a_id": [
"de5oo1b"
],
"text": [
"many people have many needs. not every TV is placed in a bedroom or a living room. most are, but people have different uses for TVs. a bar, a school, small auditorium, office etc where they'd need for it to be louder"
],
"score": [
6
],
"text_urls": [
[]... | [
"url"
] | [
"url"
] | |
5vxzpe | The Cloudflare incident and what I, a consumer, need to do about it. | Technology | explainlikeimfive | {
"a_id": [
"de5st08",
"de63cak"
],
"text": [
"Cloudflare is a company that provides a service to websites that help improve security and performance for those sites. A big service they provide is DDOS protection. They act as a proxy between the user and the website servers, so a lot of data passes th... | [
"url"
] | [
"url"
] | |
5vyhzs | "Cloudflare Reverse Proxies are Dumping Uninitialized Memory" effects on normal, every day Internet users | Web security gurus, please explain: URL_0 | Technology | explainlikeimfive | {
"a_id": [
"de5vh80"
],
"text": [
"## Quick overview of the bug itself Let's imagine I operate a website that uses one of cloudflare's affected services. You request a webpage from my website. Cloudflare grabs the page from my servers, does its magic on it, and sends you the actual page contents. Now, im... | [
"url"
] | [
"url"
] |
5vyj3p | The difference between RFID and NFC | Technology | explainlikeimfive | {
"a_id": [
"de5x5iq"
],
"text": [
"NFC stands for \"near field communication\" and basically uses a passive magnefic coil on the physical application end of things. Your phone can use induction to get information from the NFC coil. Basically it involves two magnetic coils getting close enough to each oth... | [
"url"
] | [
"url"
] | |
5vzc9e | Why is there so much footage of nuclear bomb tests, etc. from years ago, but no recent or modern footage now? Has the world stopped testing or is it just now made public? | Technology | explainlikeimfive | {
"a_id": [
"de62asl",
"de625ys",
"de626ep",
"de63e9c"
],
"text": [
"Most testing moved underground, literally. Specially constructed facilities that sort of resembled bomb shelters, but in reverse, and deep underground. The footage from those is sort of a \"dark place, really dark, blindlingl... | [
"url"
] | [
"url"
] | |
5vzgb5 | If someone wipes their hard drive, how do computer forensic people know what they did? | E.g. in the Waymo v. Otto lawsuit, the guy wiped his hard drive. So how did they figure out all the stuff he did? | Technology | explainlikeimfive | {
"a_id": [
"de631vq",
"de63gdc"
],
"text": [
"there's a few ways. 1. wiping your hard drive doesn't actually wipe the contents. for example, OS's operate in a similar fashion to the dewey decimal system. the OS stores a table of pointers, that point to where the actual data resides. if you wipe this ... | [
"url"
] | [
"url"
] |
5vzhgz | how do traffic lights know when to change? | Technology | explainlikeimfive | {
"a_id": [
"de63k0c"
],
"text": [
"It depends on the lights. There are a wide variety of control mechanisms for traffic lights, so I'll try to break them down and list their pros and cons, and where they're more commonly used. I should clarify that my experience of traffic systems is UK based, and while ... | [
"url"
] | [
"url"
] | |
5w0c1o | Why do websites make you have a complicated password when most account breaches come from a hack and not just guessing? | Technology | explainlikeimfive | {
"a_id": [
"de6bi2m",
"de6beiu",
"de6xnbo",
"de6c8wb",
"de6qxt5",
"de6w0pf",
"de6tcuv",
"de6cg3v",
"de6p07l",
"de6awtp",
"de6x7sg",
"de6y5fz",
"de74f0b"
],
"text": [
"When people hack sites for passwords, they usually get a list of the hashed passwords. Tha... | [
"url"
] | [
"url"
] | |
5w0o3m | How are we able to download files for a game but be unable to view code? | Obviously people want their code to be a secret but I'm curious otherwise | Technology | explainlikeimfive | {
"a_id": [
"de6dvms",
"de6jtkw",
"de6fp9l",
"de6n0bu"
],
"text": [
"Code written in programming languages is for humans, and it gets turned into machine code before it can be executed by computers. Machine code is what the computer actually runs. When you download a file, you are not download... | [
"url"
] | [
"url"
] |
5w1gug | What happens when the Semiconductor Fabrication Process gets to 1nm or lower? | I see that with each new lineup of CPUs, the "nm" gets lower and lower. I see the same thing with Nvdia's GPU. Basically, what happens when it gets to 1nm? Will it go lower? Why do they have to go in order? Why can't they skip straight to 1nm? It's it a technological limitation or is it a financial motive? | Technology | explainlikeimfive | {
"a_id": [
"de6mhmp"
],
"text": [
"I doubt that semiconductor fabrication as we know it will get to 1nm. Silicon atoms themselves are about 2nm in diameter, and the materials used to make the gate dielectric are generally on that order or a bit larger. Plus there are great difficulties in actually formin... | [
"url"
] | [
"url"
] |
5w1gvf | Why do some people cause interference with radios? | Technology | explainlikeimfive | {
"a_id": [
"de6nzcm"
],
"text": [
"Everybody causes interference with the radio waves, Your body is mostly salty water which absorbs radio waves pretty well. Nobody emits interference. Your cell phone could cause interference with radios. Even though the phone uses frequencies far higher than the radio, ... | [
"url"
] | [
"url"
] | |
5w1khf | What is the point of XML? | I have a great understanding of database systems, HTML and CSS but I after reading for hours and even watching videos I cant see why anyone would ever use this. It does not seem an appropriate or efficient way to deal with data. | Technology | explainlikeimfive | {
"a_id": [
"de6lseu",
"de6lc1x"
],
"text": [
"XML is a well defined, general purpose, data transfer language that's designed to facilitate the transfer of data from one system to another in a standard way. Before XML was a thing, every program had its own protocol so you'd have to write new parsers f... | [
"url"
] | [
"url"
] |
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