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Double exclamation points? [duplicate]
... but some other falsy value. See the following truth table:
Truth Table for javascript
'' == '0' // false
0 == '' // true
0 == '0' // true
false == 'false' // false
false == '0' // true
false == undefine...
Tainted canvases may not be exported
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For security reasons, your local drive is declared to be "other-domain" and will taint the canvas.
(That's because your most sensitive info is likely on your local drive!).
While testing try these workarounds:
Put all page...
Large-scale design in Haskell? [closed]
...t managing complexity. The primary code structuring mechanisms in Haskell for managing complexity are:
The type system
Use the type system to enforce abstractions, simplifying interactions.
Enforce key invariants via types
(e.g. that certain values cannot escape some scope)
That certain code do...
How do I see the last 10 commits in reverse-chronological order with SVN?
...t X number of commits along with commit messages, in reverse-chronological order (newest commit first)?
4 Answers
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Why are there no ++ and -- operators in Python?
Why are there no ++ and -- operators in Python?
19 Answers
19
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What does -1 mean in numpy reshape?
A numpy matrix can be reshaped into a vector using reshape function with parameter -1. But I don't know what -1 means here.
...
How to combine paths in Java?
Is there a Java equivalent for System.IO.Path.Combine() in C#/.NET? Or any code to accomplish this?
11 Answers
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Generate random string/characters in JavaScript
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I think this will work for you:
function makeid(length) {
var result = '';
var characters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
var charactersLength = characters.length;
for ( v...
How do I test for an empty string in a Bash case statement?
I have a Bash script that performs actions based on the value of a variable. The general syntax of the case statement is:
3...
What is the difference between '/' and '//' when used for division?
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In Python 3.x, 5 / 2 will return 2.5 and 5 // 2 will return 2. The former is floating point division, and the latter is floor division, sometimes also called integer division.
In Python 2.2 or later in the 2.x line, there is no difference for integers unless you perform a from __future__ imp...