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window.close and self.close do not close the window in Chrome
... is a security feature, introduced a while ago, to stop various malicious exploits and annoyances.
From the latest working spec for window.close():
The close() method on Window objects should, if all the following conditions are met, close the browsing context A:
The corresponding brows...
When do I use fabs and when is it sufficient to use std::abs?
... Is this on every platform the case? Esp. Windows and Mac OS X? Or is it at least in the C++ standard?
– math
Jun 25 '10 at 13:09
3
...
Logback to log different messages to two files
...
It's very possible to do something like this in logback. Here's an example configuration:
<?xml version="1.0"?>
<configuration>
<appender name="FILE" class="ch.qos.logback.core.FileAppender">
<file>logfile.log</file>
<append>true</ap...
Why are my JavaScript function names clashing?
...n() {
console.log("Me original.");
}
f();
Which in turn, with the exception of the function's name is the same as:
var f = function() {
console.log("Me duplicate.");
}
var f = function() {
console.log("Me original.");
}
f();
Which in turn, because of variable hoisting is the sam...
How to configure an existing git repo to be shared by a UNIX group
I have an existing git repo (a bare one) which has up to this point only been writable by me. I want to open it up to some UNIX user group, foo, so that all members of foo can push to it. I'm aware that I can easily set up a new git repo with:
...
Python argparse mutual exclusive group
...
add_mutually_exclusive_group doesn't make an entire group mutually exclusive. It makes options within the group mutually exclusive.
What you're looking for is subcommands. Instead of prog [ -a xxxx | [-b yyy -c zzz]], you'd have:
prog
...
Why does this assert throw a format exception when comparing structures?
...quality of two System.Drawing.Size structures, and I'm getting a format exception instead of the expected assert failure.
...
How do I do base64 encoding on iOS?
..., 'J', 'K', 'L', 'M', 'N', 'O', 'P',
'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f',
'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v',
'w', 'x', 'y', 'z', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '+', '/'
};
@implementatio...
Using arrays or std::vectors in C++, what's the performance gap?
...rom the internet):
// Comparison of assembly code generated for basic indexing, dereferencing,
// and increment operations on vectors and arrays/pointers.
// Assembly code was generated by gcc 4.1.0 invoked with g++ -O3 -S on a
// x86_64-suse-linux machine.
#include <vector>
struct S
{...
When should I use double instead of decimal?
... if you were doing the calculation by hand. It depends greatly on the context (how many operations you're performing) whether these errors are significant enough to warrant much thought however.
In all cases, if you want to compare two floating-point numbers that should in theory be equivalent (b...