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how do you filter pandas dataframes by multiple columns
To filter a dataframe (df) by a single column, if we consider data with male and females we might:
6 Answers
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Add native files from NuGet package to project output directory
... directories will be created in the project's output directory when built. If you don't need subdirectories then the ** and the %(RecursiveDir) can be removed and instead include the required files in the build directory directly. Other required content files can also be added in the same way.
The ...
Explicitly set Id with Doctrine when using “AUTO” strategy
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Perhaps what doctrine changed but now right way is:
$metadata->setIdGeneratorType(\Doctrine\ORM\Mapping\ClassMetadata::GENERATOR_TYPE_NONE);
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Convert Iterable to Stream using Java 8 JDK
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There's a much better answer than using spliteratorUnknownSize directly, which is both easier and gets a better result. Iterable has a spliterator() method, so you should just use that to get your spliterator. In the worst case, it's the same code (the default implementation u...
Why does my 'git branch' have no master?
...e my repo was still empty.) By committing something (any file), the master now came into being, and I was able to go on to doing other things. I tried the things in the other answers, but nothing helped. This one answer here may apply to many people out there. (I read much about hashing in Git. I ...
Escape quotes in JavaScript
...and it is still screwing up. This has got to be a simple WTF but for the life of me, I can't see it.
– Matt Dawdy
Jan 5 '10 at 4:35
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How do I find which program is using port 80 in Windows? [duplicate]
...cesses that use port 80. Notice the pid (process id) in the right column.
If you would like to free the port, go to Task Manager, sort by pid and close those processes.
-a displays all connections and listening ports.
-o displays the owning process ID associated with each connection.
-n displays...
ASP.NET MVC 3: Override “name” attribute with TextBoxFor
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But handling two different properties whose names differ only by case is a recipe for a maintenance nightmare.....
– James McCormack
Mar 17 '14 at 18:31
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Why are const parameters not allowed in C#?
...ld call some mutating method on a non const alias of the const object, and now the so-called const object has changed.
C-style const provides no guarantee that the object will not change, and is therefore broken. Now, C already has a weak type system in which you can do a reinterpret cast of a doub...
delete map[key] in go?
...ven if the key is already absent from the map.
delete(timeZone, "PDT") // Now on Standard Time
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