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pandas three-way joining multiple dataframes on columns

...SV files. Each has the first column as the (string) names of people, while all the other columns in each dataframe are attributes of that person. ...
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How can I show ellipses on my TextView if it is greater than the 1 line?

...This is a common problem. Try using the following: android:scrollHorizontally="true" android:ellipsize="end" android:maxLines="1" .............. the scrollHorizontally is the "special sauce" that makes it work. share ...
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Default template arguments for function templates

Why are default template arguments only allowed on class templates? Why can't we define a default type in a member function template? For example: ...
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Relative paths in Python

..., you want to do something like this: import os dirname = os.path.dirname(__file__) filename = os.path.join(dirname, 'relative/path/to/file/you/want') This will give you the absolute path to the file you're looking for. Note that if you're using setuptools, you should probably use its package re...
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How can I add additional PHP versions to MAMP

... Found a quick fix in the MAMP forums. Basically it seems MAMP is only allowing 2 versions of PHP to show up. Quick fix, rename the folders you're not bothered about using, for me this meant adding an "X" to my /Applications/MAMP/bin/php/php5.4.10_X folder. Now 5.2.17 ...
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What does -> mean in Python function definitions?

... And the information is available as a .__annotations__ attribute. – Martijn Pieters♦ Jan 17 '13 at 13:06 9 ...
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What is a NullReferenceException, and how do I fix it?

.... This means you either set it to null, or you never set it to anything at all. Like anything else, null gets passed around. If it is null in method "A", it could be that method "B" passed a null to method "A". null can have different meanings: Object variables which are uninitialized and hence poi...
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Remove border from IFrame

...ersson caniuse.com/#feat=iframe-seamless states that it isn't supported at all. – Tim Büthe Jun 19 '15 at 11:19 2 ...
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git diff two files on same branch, same commit

... but the fact that he mentions BeyondCompare implies that he's not specifically looking for a git diff but simply an easy to read diff. Also the fact he accepted my answer as what he was looking for also indicates that it does in fact answer it. – JaredMcAteer ...
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How can I tell PyCharm what type a parameter is expected to be?

When it comes to constructors, and assignments, and method calls, the PyCharm IDE is pretty good at analyzing my source code and figuring out what type each variable should be. I like it when it's right, because it gives me good code-completion and parameter info, and it gives me warnings if I try t...