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How can I match a string with a regex in Bash?
...n the comment above, We need to store the regex on a var
The variable BASH_REMATCH is set after you match the expression, and ${BASH_REMATCH[n]} will match the nth group wrapped in parentheses ie in the following ${BASH_REMATCH[1]} = "compressed" and ${BASH_REMATCH[2]} = ".gz"
if [[ "compressed.gz...
MySQL, update multiple tables with one query
... edited Jul 8 at 9:11
underscore_d
4,90633 gold badges2828 silver badges5454 bronze badges
answered Feb 23 '12 at 16:41
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How can I create an error 404 in PHP?
My .htaccess redirects all requests to /word_here to /page.php?name=word_here . The PHP script then checks if the requested page is in its array of pages.
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Find where python is installed (if it isn't default dir)
...gt;>> sys.executable
'c:\\Python26\\python.exe'
>>> sys.exec_prefix
'c:\\Python26'
>>>
>>> print '\n'.join(sys.path)
c:\Python26\lib\site-packages\setuptools-0.6c11-py2.6.egg
c:\Python26\lib\site-packages\nose-1.0.0-py2.6.egg
C:\Windows\system32\python26.zip
c:\Pyth...
Why does printf not flush after the call unless a newline is in the format string?
...;
or its secure version setvbuf as explained here
setvbuf(stdout, NULL, _IONBF, 0);
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Is it possible to GROUP BY multiple columns using MySQL?
...y the rows are sorted.
In your example, you would write
GROUP BY fV.tier_id, f.form_template_id
Meanwhile, the code
GROUP BY f.form_template_id, fV.tier_id
would give similar results, but sorted differently.
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Changing the cursor in WPF sometimes works, sometimes doesn't
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public class OverrideCursor : IDisposable
{
static Stack<Cursor> s_Stack = new Stack<Cursor>();
public OverrideCursor(Cursor changeToCursor)
{
s_Stack.Push(changeToCursor);
if (Mouse.OverrideCursor != changeToCursor)
Mouse.OverrideCursor = changeToCursor;
}
pu...
How to profile a bash shell script slow startup?
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PS4='+ $EPOCHREALTIME\011 '
As pointed out by @pawamoy, you can use BASH_XTRACEFD to send the output of the trace to a separate file descriptor if you have Bash 4.1 or later. From this answer:
#!/bin/bash
exec 5> command.txt
BASH_XTRACEFD="5"
echo -n "hello "
set -x
echo -n world
set +x
e...
Getting rid of all the rounded corners in Twitter Bootstrap
...tstrap 4 if you are compiling it you can disable radius alltogether in the _custom.scss file:
$enable-rounded: false;
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Where do I set my company name?
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If you want change __MyCompanyName__ in Xcode 4, you can try the following command.
defaults write com.apple.dt.Xcode PBXCustomTemplateMacroDefinitions '{ORGANIZATIONNAME="YourNameHere";}'
Carefully, this writes in the domain, com.apple.dt.Xc...