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What is the (function() { } )() construct in JavaScript?
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876
It’s an Immediately-Invoked Function Expression, or IIFE for short. It executes immediately af...
Why does volatile exist?
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volatile is needed if you are reading from a spot in memory that, say, a completely separate pr...
@selector() in Swift?
...: e.g. chris.valueForKeyPath(#keyPath(Person.friends.firstName)). See SE-0062 for details. And even more KeyPath stuff in Swift 4, so make sure you're using the right KeyPath-based API instead of selectors if appropriate.
You can read more about selectors under Interacting with Objective-C APIs in U...
Turn off Visual Studio Attach security warning when debugging IIS
...ivate registry location, see this answer: https://stackoverflow.com/a/41122603/67910
For VS 2017, save this gist as a *.ps1 file and run it as admin, or copy and paste the following code in a ps1 file:
#IMPORTANT: Must be run as admin
dir $env:LOCALAPPDATA\Microsoft\VisualStudio\15.* | % {
#h...
Twitter API returns error 215, Bad Authentication Data
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26
A very concise code without any other php file include of oauth etc.
Please note to obtain follo...
How to upload, display and save images using node.js and express [closed]
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236
First of all, you should make an HTML form containing a file input element. You also need to set...
Use 'import module' or 'from module import'?
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486
The difference between import module and from module import foo is mainly subjective. Pick the ...
Is there a generator version of `string.split()` in Python?
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xiº
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answered Mar 19 '12 at 12:41
ninjageckoninjagecko
72.5k2121 ...
MongoDB/NoSQL: Keeping Document Change History
... change its value. A document could look something like this:
{
_id: "4c6b9456f61f000000007ba6"
title: [
{ version: 1, value: "Hello world" },
{ version: 6, value: "Foo" }
],
body: [
{ version: 1, value: "Is this thing on?" },
{ version: 2, value: "What should I write?" },
...