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Split string into an array in Bash
...ace is treated specially.
To access an individual element:
echo "${array[0]}"
To iterate over the elements:
for element in "${array[@]}"
do
echo "$element"
done
To get both the index and the value:
for index in "${!array[@]}"
do
echo "$index ${array[index]}"
done
The last example i...
Determine when a ViewPager changes pages
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Ryan C
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answered Jun 16 '15 at 12:32
Jaydipsinh ZalaJaydipsinh Zala
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Get the value of an instance variable given its name
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edited Nov 6 '15 at 20:42
the Tin Man
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Test for equality among all elements of a single vector
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10 Answers
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Active
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Pandas aggregate count distinct
...
How about either of:
>>> df
date duration user_id
0 2013-04-01 30 0001
1 2013-04-01 15 0001
2 2013-04-01 20 0002
3 2013-04-02 15 0002
4 2013-04-02 30 0002
>>> df.groupby("date").agg({"duration": np.sum, "user_id...
What is the meaning of polyfills in HTML5?
...ort CSS3 techniques you want).
Here's a good post:
http://remysharp.com/2010/10/08/what-is-a-polyfill/
Here's a comprehensive list of Polyfills and Shims:
https://github.com/Modernizr/Modernizr/wiki/HTML5-Cross-browser-Polyfills
...
CSS: How to position two elements on top of each other, without specifying a height?
...will come across odd and confusing behavior; you probably want to add top: 0; left: 0 to the CSS for both of your absolutely positioned elements. You'll also want to have position: relative on .container_row if you want the absolutely positioned elements to be positioned with respect to their parent...
How to convert a selection to lowercase or uppercase in Sublime Text
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801
From the Sublime Text docs for Windows/Linux:
Keypress Command
Ctrl + K, Ctrl + U ...
How to check if a variable exists in a FreeMarker template?
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309
To check if the value exists:
[#if userName??]
Hi ${userName}, How are you?
[/#if]
Or wit...
jQuery vs jQuery Mobile vs jQuery UI?
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edited Oct 24 '15 at 10:00
answered Jul 9 '11 at 17:57
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