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Pass correct “this” context to setTimeout callback?
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edited May 27 '14 at 10:32
answered May 26 '14 at 12:19
g...
String concatenation: concat() vs “+” operator
...then throwing it away when you create the final String. In practice memory allocation is surprisingly fast.
Update: As Pawel Adamski notes, performance has changed in more recent HotSpot. javac still produces exactly the same code, but the bytecode compiler cheats. Simple testing entirely fails bec...
Mounting multiple volumes on a docker container?
... Okay, so i'm doing this the exact same way but when i try calling the second one it says that it isn't found.
– momal
Mar 23 '15 at 6:08
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Chain-calling parent initialisers in python [duplicate]
... B inheriting from A, class C inheriting from B. What is a generic way to call a parent class initialiser in an initialiser? If this still sounds too vague, here's some code.
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Select values from XML field in SQL Server 2008
...wered May 22 '09 at 18:39
LarsenalLarsenal
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How do I compare two strings in Perl?
...rldoc perlop for more information.
( I'm simplifying this a little bit as all but cmp return a value that is both an empty string, and a numerically zero value instead of 0, and a value that is both the string '1' and the numeric value 1. These are the same values you will always get from boolean o...
Does the Java &= operator apply & or &&?
...non-trivial, the performance difference between the two versions is too small to be worth considering.
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Get all directories within directory nodejs
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Here's a shorter, syncronous version of this answer that can list all directories (hidden or not) in the current directory:
const { lstatSync, readdirSync } = require('fs')
const { join } = require('path')
const isDirectory = source => lstatSync(source).isDirectory()
const getDirectori...
What is the difference between display: inline and display: inline-block?
...v get a whole width line (force a line break) but respect width/height and all horizontal/vertical padding/margins. Inline-block elements have same behavior as block but without whole line break (other elements can be placed beside them)
– S.Serpooshan
Jan 4 '1...
How do I use IValidatableObject?
... Prop1 = 1,
Prop2 = 2
};
bool validateAllProperties = false;
var results = new List<ValidationResult>();
bool isValid = Validator.TryValidateObject(
toValidate,
new ValidationContext(toValidate, null, null),
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