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Change one value based on another value in pandas
...cing and indexing features to logically evaluate the places where your condition holds and overwrite the data there.
Assuming you can load your data directly into pandas with pandas.read_csv then the following code might be helpful for you.
import pandas
df = pandas.read_csv("test.csv")
df.loc[df....
Writing files in Node.js
I've been trying to find a way to write to a file when using Node.js, but with no success. How can I do that?
19 Answers
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Is there a RegExp.escape function in Javascript?
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The function linked above is insufficient. It fails to escape ^ or $ (start and end of string), or -, which in a character group is used for ranges.
Use this function:
function escapeRegex(string) {
return string.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&');
}
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ASP.NET MVC - Set custom IIdentity or IPrincipal
...fairly simple: in my ASP.NET MVC application, I want to set a custom IIdentity / IPrincipal. Whichever is easier / more suitable. I want to extend the default so that I can call something like User.Identity.Id and User.Identity.Role . Nothing fancy, just some extra properties.
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Matplotlib discrete colorbar
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You can create a custom discrete colorbar quite easily by using a BoundaryNorm as normalizer for your scatter. The quirky bit (in my method) is making 0 showup as grey.
For images i often use the cmap.set_bad() and convert my data to a numpy masked array. That would ...
How do I “Add Existing Item” an entire directory structure in Visual Studio?
I have a free standing set of files not affiliated with any C# project at all that reside in a complicated nested directory structure.
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How can I remove a style added with .css() function?
I'm changing CSS with jQuery and I wish to remove the styling I'm adding based on the input value:
21 Answers
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Best way to repeat a character in C#
What it's the best way to generate a string of \t 's in C#
19 Answers
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Git: fatal: Pathspec is in submodule
I'm trying to get TravisCI to automatically deploy my Hakyll static site, according to this guide .
5 Answers
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jQuery hasAttr checking to see if there is an attribute on an element [duplicate]
...there is an attribute on an element in jQuery? Similar to hasClass , but with attr ?
9 Answers
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