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Toggle Checkboxes on/off
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Orders of magnitude faster than triggering click with jQuery when you have a lot of checkboxes.
– Jeremy Cook
Feb 1 '17 at 15:32
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GridLayout (not GridView) how to stretch all children evenly
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grid:alignmentMode="alignBounds"
grid:columnCount="2"
grid:rowOrderPreserved="false"
grid:useDefaultMargins="true">
<TextView
android:layout_width="0dp"
android:layout_height="100dp"
grid:layout_columnWeight="1"
grid:layout_gravity="fill_ho...
Regular Expression to match only alphabetic characters
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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C# 能否获取一个对象所占内存的大小？ - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ation. These sizes will certainly differ if the CLR’s loader has re-ordered small fields so they can be packed together on a tdAutoLayout type.
C# sizeof 对象大小
Extracting specific columns in numpy array
...00288],
[0.76385882, 0.11002419]])
The columns need not to be in order:
>>> m[:,[2, 1, 3]]
matrix([[0.69774588, 0.65999332, 0.007355 ],
[0.43158254, 0.67463754, 0.95367876],
[0.12153138, 0.86431513, 0.73006437],
[0.08400288, 0.66139215, 0.56769924],
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How to use jQuery to select a dropdown option?
...ML select elements have a selectedIndex property that can be written to in order to select a particular option:
$('select').prop('selectedIndex', 3); // select 4th option
Using plain JavaScript this can be achieved by:
// use first select element
var el = document.getElementsByTagName('select')[...
How can I view the source code for a function?
..., what type(s) of objects its return type is, whether and how it recurses, etc.
To redirect to a separate file (so you can bring up the code in your favorite IDE/editor/process it with grep/etc.):
capture.output(getAnywhere('rfcv'), file='source_rfcv.r')
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Redis command to get all available keys?
...case KEYS command was not retrieving results because my database was 1. In order to select the db you want, use SELECT.
The db is identified by an integer.
SELECT 1
KEYS *
I post this info because none of the previous answers was solving my issue.
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Error in strings.xml file in Android
...editors that cannot handle RTL very well, by showing characters in a wrong order on screen. typing in long hebrew sentenses in xml can gets messy
– Li3ro
May 6 '14 at 19:22
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grep a tab in UNIX
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@AntonioCS as noted above by SamKrieg, in order to have the Shell let you type any character, just type CTRL-v first. See also askubuntu.com/questions/53071/…
– Denis Arnaud
Aug 1 '12 at 13:55
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