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Django: reverse accessors for foreign keys clashing
I have two Django models which inherit from a base class:
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How to assign a Git SHA1's to a file without Git?
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This is how Git calculates the SHA1 for a file (or, in Git terms, a "blob"):
sha1("blob " + filesize + "\0" + data)
So you can easily compute it yourself without having Git installed. Note that "\0" is the NULL-byte, not a two-character string.
For example, the hash of an ...
Can you have additional .gitignore per directory within a single repo?
Can you create a .gitignore file in a directory that only applies to files (and directories) within that directory?
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How to filter out files by extension in NERDTree?
I would like to *.pyc files not to be shown in NERDTree vim plugin.
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What does the -ObjC linker flag do?
I have an app that works with and without the linker flag. However, without the linker flag, I get a very different behaviour when adding data to a view.
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Understanding colors on Android (six characters)
I am trying to understand how colors work in Android. I have this color set as the background of my LinearLayout , and I get a background gray with some transparency:
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Adding images or videos to iPhone Simulator
I am trying to use UIImagePickerController with UIImagePickerControllerSourceTypePhotoLibrary , but it says, "No photos". Where does the simulator get the images from? Where should I copy the images so that they are displayed in the simulator?
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How do I measure separate CPU core usage for a process?
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You can still do this in top. While top is running, press '1' on your keyboard, it will then show CPU usage per core.
Limit the processes shown by having that specific process run under a specific user account and use Type 'u' to limit to that u...
Static classes and methods in coffeescript
I want to write a static helper class in coffeescript. Is this possible?
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How is “int main(){(([](){})());}” valid C++?
I recently came across the following esoteric piece of code.
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