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CSS Pseudo-classes with inline styles
...g the delimiting braces), whose formal grammar is given below in the terms and conventions of the CSS core grammar:
declaration-list
: S* declaration? [ ';' S* declaration? ]*
;
Neither selectors (including pseudo-elements), nor at-rules, nor any other CSS construct are allowed.
Think of inlin...
Set environment variables from file of key/value pairs
...your approach is the export in the while loop is happening in a sub shell, and those variable will not be available in current shell (parent shell of while loop).
Add export command in the file itself:
export MINIENTREGA_FECHALIMITE="2011-03-31"
export MINIENTREGA_FICHEROS="informe.txt programa.c"...
Do C# Timers elapse on a separate thread?
... The System.Threading.Timer class makes
callbacks on a ThreadPool thread and
does not use the event model at all.
So indeed the timer elapses on a different thread.
share
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Why do you have to link the math library in C?
...
The functions in stdlib.h and stdio.h have implementations in libc.so (or libc.a for static linking), which is linked into your executable by default (as if -lc were specified). GCC can be instructed to avoid this automatic link with the -nostdlib or...
SQL UPDATE SET one column to be equal to a value in a related table referenced by a different column
...QuestionAnswers a
on q.AnswerID = a.AnswerID
where q.QuestionID is null -- and other conditions you might want
I recommend to check what the result set to update is before running the update (same query, just with a select):
select *
from QuestionTrackings q
inner join QuestionAnswers a
on q.Answ...
How to merge a specific commit in Git
I have forked a branch from a repository in GitHub and committed something specific to me. Now I found the original repository had a good feature which was at HEAD .
...
curl_exec() always returns false
...
Error checking and handling is the programmer's friend. Check the return values of the initializing and executing cURL functions. curl_error() and curl_errno() will contain further information in case of failure:
try {
$ch = curl_init(...
Error “can't use subversion command line client : svn” when opening android project checked out from
I'm new to Android development and the development tools around it. I have checked out a project from svn using TortoiseSVN client (can't manage to do it from within Android Studio), then get this error message after importing the project to Android Studio:
...
Artificially create a connection timeout error
...nswered Sep 19 '08 at 10:02
AlexanderAlexander
8,29422 gold badges2121 silver badges2121 bronze badges
...
Rails: Using greater than/less than with a where statement
...th dates here on SO.
>= vs >
To avoid people having to dig through and follow the comments conversation here are the highlights.
The method above only generates a >= query and not a >. There are many ways to handle this alternative.
For discrete numbers
You can use a number_you_want...