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How do I view the type of a scala expression in IntelliJ
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Select expression and type Alt + =.
If you want to change the shortcut go to Preferences > Keymap and enter "Type Info" in the search field.
In older versions, it's Shift + Ctrl + Alt + T.
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Why is printing to stdout so slow? Can it be sped up?
...ement. After some recent painfully slow logging I decided to look into it and was quite surprised to find that almost all the time spent is waiting for the terminal to process the results.
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Getting a list of all subdirectories in the current directory
...alk('.'))[1]
Or see the other solutions already posted, using os.listdir and os.path.isdir, including those at "How to get all of the immediate subdirectories in Python".
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How to restore the permissions of files and directories within git if they have been modified?
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Git keeps track of filepermission and exposes permission changes when creating patches using git diff -p. So all we need is:
create a reverse patch
include only the permission changes
apply the patch to our working copy
As a one-liner:
git diff -p -R --n...
Convert Bitmap to File
I understand that using BitmapFactory can convert a File to a Bitmap, but is there any way to convert a Bitmap image to a File?
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How to upload a file in Django? [closed]
...xample about this. I spent over 2 hours to dig up all the pieces to understand how this works. With that knowledge I implemented a project that makes possible to upload files and show them as list. To download source for the project, visit https://github.com/axelpale/minimal-django-file-upload-exam...
glob exclude pattern
I have a directory with a bunch of files inside: eee2314 , asd3442 ... and eph .
10 Answers
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“Pretty” Continuous Integration for Python
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You might want to check out Nose and the Xunit output plugin. You can have it run your unit tests, and coverage checks with this command:
nosetests --with-xunit --enable-cover
That'll be helpful if you want to go the Jenkins route, or if you want to use ...
How to determine if a string is a number with C++?
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Also doesn't handle negative numbers and non-whole numbers. We can't know what the requirements are based on the question.
– Brennan Vincent
Jan 11 '11 at 6:24
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Using the RUN instruction in a Dockerfile with 'source' does not work
... Eh? If you source a script inside a shell that only exists for the command, it's not able to have a lasting effect on any future commands run, assuming that the sum total of its action is setting environment variables. So why would you use source at all, vs just bash /usr/local/bin/virtualenvwra...