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How can I find the current OS in Python? [duplicate]
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edited Oct 1 '19 at 11:38
djvg
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answered Sep 2...
How can I add a hint text to WPF textbox?
...eadogsellmeadog
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How to change the remote a branch is tracking?
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How can I check if a string is null or empty in PowerShell?
... just do !$var
– Shay Levy
Jun 14 '13 at 11:50
4
One thing to be aware of with PowerShell is that...
String vs. StringBuilder
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236
Yes, the performance difference is significant. See the KB article "How to improve string conc...
Generating Random Passwords
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edited Nov 18 '13 at 7:26
answered Sep 10 '08 at 22:44
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Mark error in form using Bootstrap
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(UPDATED with examples for Bootstrap v4, v3 and v3)
Examples of forms with validation classes for the past few major versions of Bootstrap.
Bootstrap v4
See the live version on codepen
<div class="container">
<form>
<div class="form-group r...
FFmpeg: How to split video efficiently?
...fmpeg -v quiet -y -i input.ts -vcodec copy -acodec copy -ss 00:00:00 -t 00:30:00 -sn test1.mkv
time ffmpeg -v quiet -y -i input.ts -vcodec copy -acodec copy -ss 00:30:00 -t 01:00:00 -sn test2.mkv
echo "One command"
time ffmpeg -v quiet -y -i input.ts -vcodec copy -acodec copy -ss 00:00:00 -t 00:30:...
How do I create and read a value from cookie?
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237
Here are functions you can use for creating and retrieving cookies.
function createCookie(name...
PersistentObjectException: detached entity passed to persist thrown by JPA and Hibernate
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130
This is a typical bidirectional consistency problem. It is well discussed in this link as well ...