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Why is C so fast, and why aren't other languages as fast or faster? [closed]
...e use of C as a ``high-level assembler'': the ability to write machine-specific code is one of the strengths of C.
Keep the spirit of C. The Committee kept as a major goal to preserve the traditional spirit of C. There are many facets of the spirit of C, but the essence is a community sentiment of ...
What is the difference between double-ampersand (&&) and semicolon (;) in Linux Bash?
What is the difference between ampersand and semicolon in Linux Bash ?
3 Answers
3
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jQuery Validate Plugin - Trigger validation of single field
.... The problem is that this doesn't trigger the remote validation to check if the email already exists.
8 Answers
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How to search for occurrences of more than one space between words in a line
...{2,}/
This matches all occurrences of one or more whitespace characters.
If you need to match the entire line, but only if it contains two or more consecutive whitespace characters:
/^.*\s{2,}.*$/
If the whitespaces don't need to be consecutive:
/^(.*\s.*){2,}$/
...
UUID max character length
... to figure out where the invalid 60-char IDs are coming from and decide 1) if you want to accept them, and 2) what the max length of those IDs might be based on whatever API is used to generate them.
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How to fix: Handler “PageHandlerFactory-Integrated” has a bad module “ManagedPipelineHandler” in its
...ompt
%windir%\Microsoft.NET\Framework64\v4.0.30319\aspnet_regiis.exe -i
If I had been on a 32 bit system, it would have looked like the following:
%windir%\Microsoft.NET\Framework\v4.0.21006\aspnet_regiis.exe -i
Remeber to run the command prompt as administrator (CTRL+SHIFT+ENTER)
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UnicodeDecodeError: 'charmap' codec can't decode byte X in position Y: character maps to
...atin-1, UTF-8 (where 0x90 is a continuation byte) is more likely.
You specify the encoding when you open the file:
file = open(filename, encoding="utf8")
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nginx missing sites-available directory
...convention to imitate Debian's apache setup. You could create it yourself if you wanted to emulate the same setup.
Create /etc/nginx/sites-available and /etc/nginx/sites-enabled and then edit the http block inside /etc/nginx/nginx.conf and add this line
include /etc/nginx/sites-enabled/*;
Of co...
How can I break an outer loop with PHP?
...g just a break-n statement:
foreach(...)
{
foreach(...)
{
if (i.name == j)
break 2; //Breaks 2 levels, so breaks outermost foreach
}
}
If you're in php >= 5.3, you can use labels and gotos, similar as in ActionScript:
foreach (...)
{
foreach (...)
...
What are the special dollar sign shell variables?
...like construct of all positional parameters, {$1, $2, $3 ...}.
"$*" is the IFS expansion of all positional parameters, $1 $2 $3 ....
$# is the number of positional parameters.
$- current options set for the shell.
$$ pid of the current shell (not subshell).
$_ most recent parameter (or the abs path ...