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Is there a difference between using a dict literal and a dict constructor?
Using PyCharm, I noticed it offers to convert a dict literal :
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Removing nan values from an array
I want to figure out how to remove nan values from my array. My array looks something like this:
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What does the “map” method do in Ruby?
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Android Use Done button on Keyboard to click button
Ok in my app I have a field for the user to input a number. I have the field set to only accept numbers. When the user clicks on the field it brings up the keyboard. On the keyboard (on ICS) there is a done button. I would like for the done button on the keyboard to trigger the submit button i have ...
How to convert a byte array to a hex string in Java?
I have a byte array filled with hex numbers and printing it the easy way is pretty pointless because there are many unprintable elements. What I need is the exact hexcode in the form of: 3a5f771c
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examining history of deleted file
If I delete a file in Subversion, how can I look at it's history and contents? If I try to do svn cat or svn log on a nonexistent file, it complains that the file doesn't exist.
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Symbolic links and synced folders in Vagrant
I want to use Vagrant to provide a common development environment to my team. The hosts are completely different:
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Writing to an Excel spreadsheet
...w to Python. I need to write some data from my program to a spreadsheet. I've searched online and there seem to be many packages available (xlwt, XlsXcessive, openpyxl). Others suggest to write to a .csv file (never used CSV and don't really understand what it is).
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Initializing a two dimensional std::vector
So, I have the following:
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