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How to recognize swipe in all 4 directions
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324
You need to have one UISwipeGestureRecognizer for each direction. It's a little weird because th...
Left Align Cells in UICollectionView
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edited May 5 at 22:24
Tristan Newman
21911 gold badge44 silver badges1212 bronze badges
answered M...
Making heatmap from pandas DataFrame
...eee']
columns = ['A', 'B', 'C', 'D']
df = DataFrame(abs(np.random.randn(5, 4)), index=index, columns=columns)
plt.pcolor(df)
plt.yticks(np.arange(0.5, len(df.index), 1), df.index)
plt.xticks(np.arange(0.5, len(df.columns), 1), df.columns)
plt.show()
This gives:
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Get selected option from select element
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answered Mar 4 '10 at 15:05
Nick Craver♦Nick Craver
580k125125 gold badges12551255 silver badges11351135 bronze badges
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What is the default height of UITableViewCell?
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It's 44 pixels. Definitely. I'll never forget that number.
44px is also the default height for UIToolbar and UINavigationBar. (Both switch to 32px when autorotated to landscape orientation.)
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Deleting an element from an array in PHP
...ay (3) { [0]=>int(0) ... when you unset($x[2]) from $x = array(1, 2, 3, 4); Result must be var_dump($x); // array(3) { [0]=> int(1) [1]=> int(2) [3]=> int(4) } (it was probably typo)
– inemanja
Apr 19 '16 at 5:33
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RVM is not a function, selecting rubies with 'rvm use …' will not work
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243
Your console is not running as a login shell and hence have no access to rvm function. If you a...
Return first N key:value pairs from dict
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edited Aug 21 '19 at 12:43
ofir_aghai
1,89811 gold badge2727 silver badges3030 bronze badges
answered ...
Regular Expression to get a string between parentheses in Javascript
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476
You need to create a set of escaped (with \) parentheses (that match the parentheses) and a gr...
Why does this method print 4?
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41
I think the others have done a good job at explaining why cnt > 0, but there's not enough de...