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How can I inspect disappearing element in a browser?
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(This answer only applies to Chrome Developer Tools. See update below.)
Find an element that contains the disappearing element. Right click on the element and apply "Break on... > Subtree Modifications." This will throw a debugger pause before the ...
PostgreSQL disable more output
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To disable pagination but retain the output, use:
\pset pager off
To remember this setting, add it to your ~/.psqlrc.
See the psql manual.
On older versions of Pg it was just a toggle, so \pset pager
To completely supp...
Git: Show all of the various changes to a single line in a specified file over the entire git histor
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Since git 1.8.4, there is a more direct way to answer your question.
Assuming that line 110 is the line saying var identifier = "SOME_IDENTIFIER";, then do this:
git log -L110,110:/lib/client.js
This will return every commit which touched that line of code.
[Git D...
Sort a text file by line length including spaces
... testfile | awk '{ print length, $0 }' | sort -n -s | cut -d" " -f2-
Or, to do your original (perhaps unintentional) sub-sorting of any equal-length lines:
cat testfile | awk '{ print length, $0 }' | sort -n | cut -d" " -f2-
In both cases, we have solved your stated problem by moving away from ...
How can I eliminate slow resolving/loading of localhost/virtualhost (a 2-3 second lag) on Mac OS X L
... new macbook air purchased in January 2012), I have noticed that resolving to a virtual host is very slow (around 3 seconds) the first time but after that is fast as long as I continue loading it regularly.
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Any way to properly pretty-print ordered dictionaries?
... use it a lot for testing and debugging. I frequently use the width option to make sure the output fits nicely within my terminal window.
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How to use subprocess popen Python
...rocess.communicate()
There's even a section of the documentation devoted to helping users migrate from os.popen to subprocess.
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I want to execute shell commands from Maven's pom.xml
I want to execute Linux shell commands with Maven. Here is what I tried:
5 Answers
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How can I make setInterval also work when a tab is inactive in Chrome?
... (so that the tab with my code becomes inactive), the setInterval is set to an idle state for some reason.
13 Answers
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Node.js create folder or use existing
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Good way to do this is to use mkdirp module.
$ npm install mkdirp
Use it to run function that requires the directory. Callback is called after path is created or if path did already exists. Error err is set if mkdirp failed to crea...