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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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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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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...
How to create an array containing 1…N
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409
If I get what you are after, you want an array of numbers 1..n that you can later loop through...
How to use concerns in Rails 4
The default Rails 4 project generator now creates the directory "concerns" under controllers and models. I have found some explanations about how to use routing concerns, but nothing about controllers or models.
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NTFS performance and large volumes of files and directories
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274
Here's some advice from someone with an environment where we have folders containing tens of mil...
Convert int to char in java
...char) a;
System.out.println(b);
will print out the char with ascii value 49 (one corresponding to '1')
If you want to convert a digit (0-9), you can add 48 to it and cast, or something like Character.forDigit(a, 10);.
If you want to convert an int as in ascii value, you can use Character.toChars...