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How to JSON serialize sets?
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121
JSON notation has only a handful of native datatypes (objects, arrays, strings, numbers, boole...
How to do multiple arguments to map function where one remains the same in python?
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15 Answers
15
Active
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Delete the first three rows of a dataframe in pandas
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281
Use iloc:
df = df.iloc[3:]
will give you a new df without the first three rows.
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Easiest way to check for an index or a key in an array?
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129
To check if the element is set (applies to both indexed and associative array)
[ ${array[key]...
Remove the bottom divider of an android ListView
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183
Just add
android:footerDividersEnabled="false"
to your ListView description
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Regular expression to match URLs in Java
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106
Try the following regex string instead. Your test was probably done in a case-sensitive manner...
How to cancel a Task in await?
...= new CancellationTokenSource();
source.CancelAfter(TimeSpan.FromSeconds(1));
Task<int> task = Task.Run(() => slowFunc(1, 2, source.Token), source.Token);
// (A canceled task will raise an exception when awaited).
await task;
}
private int slowFunc(int a, int b, CancellationToken ...
Add x and y labels to a pandas plot
...n that object.
ax = df2.plot(lw=2, colormap='jet', marker='.', markersize=10, title='Video streaming dropout by category')
ax.set_xlabel("x label")
ax.set_ylabel("y label")
Or, more succinctly: ax.set(xlabel="x label", ylabel="y label").
Alternatively, the index x-axis label is automatically s...