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How to use a decimal range() step value?
...erhead in terms of dependency-management, storage (for the package itself) etc. Depending on what the developer is doing, it may be impossible to use it.
– rbaleksandar
May 24 '17 at 13:56
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Convert base64 string to ArrayBuffer
...4) {
var dataUrl = "data:application/octet-binary;base64," + base64;
fetch(dataUrl)
.then(res => res.arrayBuffer())
.then(buffer => {
console.log("base64 to buffer: " + new Uint8Array(buffer));
})
}
// buffer to base64
function bufferToBase64Async( buffer ) {
var bl...
Split code over multiple lines in an R script
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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Can a CSV file have a comment?
...s starting in a prefix character and handling this differently as comments etc. For example adding some form of 'meta' versioning for optimising/guiding the code interpreting the data can be achieved via comment and '#' is what I have more often seen and used: #Csv/Version 1.9 Time,ValueA,ValueB 0....
Error installing mysql2: Failed to build gem native extension
...ew to install open source programs. I did have to install mac Dev tools in order to install homebrew, but after that it was a simple:
brew install mysql
to install mysql. I haven't had a mysql gem problem since.
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Is there a job scheduler library for node.js? [closed]
...unction to be ran at certain time (15:30 for example, not x hours from now etc)? If there isn't this kind of library how this should be implemented? Should I just set callback to be called every second and check the time and start jobs scheduled for the time or what?
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Detect when an image fails to load in Javascript
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So short and so useful! In order to just hide it: <img src="your/path/that/might/fail.png" onerror="$(this).hide();"/>
– J0ANMM
Mar 23 '18 at 10:17
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Check if application is on its first run [duplicate]
...ever saved a boolean with that key or the user has cleared the app data in order to force a 'first run' scenario). If this isn't the first run then the line prefs.edit().putBoolean("firstrun", false).commit(); will have been executed and therefore prefs.getBoolean("firstrun", true) will actually ret...
Difference between single and double square brackets in Bash
...exicographically
using the current locale. The test command uses ASCII
ordering.
(The test command is identical to [ ] )
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String.equals versus == [duplicate]
...g's equals() method:
It compares the Strings character by character, in order to come to a conclusion that they are indeed equal.
That's how the String equals method behaves. So datos[0].equals(usuario) will return true, because it performs a logical comparison.
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