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Convert data.frame columns from factors to characters
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18 Answers
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NumPy array initialization (fill with identical values)
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NumPy 1.8 introduced np.full(), which is a more direct method than empty() followed by fill() for creating an array filled with a certain value:
>>> np.full((3, 5), 7)
array([[ 7., 7., 7., 7., 7.],
[ 7., 7., ...
How can I download HTML source in C#
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185
You can download files with the WebClient class:
using System.Net;
using (WebClient client =...
Is Java RegEx case-insensitive?
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121
RegexBuddy is telling me if you want to include it at the beginning, this is the correct synta...
Difference between a Seq and a List in Scala
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418
In Java terms, Scala's Seq would be Java's List, and Scala's List would be Java's LinkedList.
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jQuery how to bind onclick event to dynamically added HTML element [duplicate]
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The first problem is that when you call append on a jQuery set with more than one element, a clo...
How does IPython's magic %paste work?
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138
You can't copy to IPython directly. This are the steps:
Copy the lines you want to copy into...
How to detect if CMD is running as Administrator/has elevated privileges?
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13 Answers
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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 ...