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Switch branch names in git

...s question, so here's a desciption of the problem. I was working on master and committed some stuff and then decided I wanted to put that work on hold. I backed up a few commits and then branched from before I started my crap work. Practically this works fine, I just now have a different branch as m...
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How to list empty folders in linux

In Linux how do I check all folders in a directory and output the name of all directories that are empty to a list. 1 Answe...
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Why are there two build.gradle files in an Android Studio project?

After having imported an Eclipse project into Android Studio, I see two build.gradle files: 2 Answers ...
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What does the WPF star do (Width=“100*”)

...Height="*" means proportional sizing. For example: to give 30% to column 1 and 70% to column 2 - <ColumnDefinition Width="3*" /> <ColumnDefinition Width="7*" /> And likewise for rows - <RowDefinition Height="3*" /> <RowDefinition Height="7*" /> The numbers do not have...
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what is the most efficient way of counting occurrences in pandas?

...with size.) In any case, value_counts has been specifically optimized to handle object type, like your words, so I doubt you'll do much better than that. share | improve this answer | ...
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What does it mean to start a PHP function with an ampersand?

... An ampersand before a function name means the function will return a reference to a variable instead of the value. Returning by reference is useful when you want to use a function to find to which variable a reference should b...
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HTML img scaling

... Only set the width or height, and it will scale the other automatically. And yes you can use a percentage. The first part can be done, but requires JavaScript, so might not work for all users. ...
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Turn Pandas Multi-Index into column

... The reset_index() is a pandas DataFrame method that will transfer index values into the DataFrame as columns. The default setting for the parameter is drop=False (which will keep the index values as columns). All you have to do add .reset_index(in...
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What is the difference between “long”, “long long”, “long int”, and “long long int” in C++?

I am transitioning from Java to C++ and have some questions about the long data type. In Java, to hold an integer greater than 2 32 , you would simply write long x; . However, in C++, it seems that long is both a data type and a modifier. ...
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JRuby on Rails vs. Ruby on Rails, what's difference?

I'm looking to try out JRuby and JRuby on Rails. I'm having trouble finding information on what's difference between JRuby on Rails and Ruby on Rails. ...