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Performance difference for control structures 'for' and 'foreach' in C#
...date. I did a small test, just to see. Here is the code:
static void Main(string[] args)
{
List<int> intList = new List<int>();
for (int i = 0; i < 10000000; i++)
{
intList.Add(i);
}
DateTime timeStarted = DateTime.Now;
for (int i = 0; i < intList...
How to run an EXE file in PowerShell with parameters with spaces and quotes
...
When PowerShell sees a command starting with a string it just evaluates the string, that is, it typically echos it to the screen, for example:
PS> "Hello World"
Hello World
If you want PowerShell to interpret the string as a command name then use the call operator (...
Handlebars.js Else If
...ow.com/questions/15008564/… So, instead of #if _is_friend, you can use a string with a very simple helper (in their answer); #if friend_type "is_friend" and #if friend_type "is_not_friend_yet"
– Dylan Reich
Nov 29 '14 at 4:57
...
How to un-escape a backslash-escaped string?
Suppose I have a string which is a backslash-escaped version of another string. Is there an easy way, in Python, to unescape the string? I could, for example, do:
...
【解决】模拟器启动失败：ERROR: x86_64 emulation currently requires har...
...，路径：
....\resources\app.asar.unpacked\Emulator\from-Android-SDK\extras\intel\Hardware_Accelerated_Execution_Manager
在线版下载后的目录是：Emulator\from-Android-SDK\extras\intel\Hardware_Accelerated_Execution_Manager
安装：haxm-7.6.5-setup.exe
如果报错，请参考...
How to display loading message when an iFrame is loading?
...otation. %23 stands for a # in URL encoding which is necessary for the svg-string to be able to be parsed in FireFox.
font family: look for font-family="" remember to escape the single quotes if you have a font that consists of multiple words (like with \'Lucida Grande\')
text: look for the element ...
Is there an alternative to bastard injection? (AKA poor man's injection via default constructor)
...onstructor tells me: "Don't worry about this dependency I only created an extra constructor for testing or a one-off case". The factory method tells me "There is a dependency to be aware of, but here's the most likely implementation you're looking for"
– Steve Jackson
...
Python str vs unicode types
...unicode instead of str , as both of them seem to be able to hold Unicode strings. Is there any special reason apart from being able to set Unicode codes in unicode strings using the escape char \ ?:
...
Google Maps API 3 - Custom marker color for default (dot) marker
...ed symbols, you can craft any shape of any color by specifying an SVG path string (Spec).
To use it, instead of setting the 'icon' marker option to the image url, you set it to a dictionary containing the symbol options. As example, I managed to craft one symbol that is quite similar to the standar...
How to avoid isset() and empty()
...
Just write a function for that. Something like:
function get_string($array, $index, $default = null) {
if (isset($array[$index]) && strlen($value = trim($array[$index])) > 0) {
return get_magic_quotes_gpc() ? stripslashes($value) : $value;
} else {
re...