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Create a dictionary on a list with grouping
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edited Oct 3 '13 at 17:23
Dov
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an...
MongoDB: update every document on one field
...our example, the <update> is:
{ $set: { lastLookedAt: Date.now() / 1000 } }
However, depending on your version of MongoDB, the query will look different. Regardless of version, the key is that the empty condition {} will match any document. In the Mongo shell, or with any MongoDB client:
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Python: Is it bad form to raise exceptions within __init__?
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162
Raising exceptions within __init__() is absolutely fine. There's no other good way to indicate...
How do I apply a perspective transform to a UIView?
...veTransform = CATransform3DIdentity;
rotationAndPerspectiveTransform.m34 = 1.0 / -500;
rotationAndPerspectiveTransform = CATransform3DRotate(rotationAndPerspectiveTransform, 45.0f * M_PI / 180.0f, 0.0f, 1.0f, 0.0f);
layer.transform = rotationAndPerspectiveTransform;
Swift 5.0
if let myView = self...
Is there a replacement for unistd.h for Windows (Visual C)?
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180
Since we can't find a version on the Internet, let's start one here.
Most ports to Windows pro...
Why does Ruby 1.9.2 remove “.” from LOAD_PATH, and what's the alternative?
The latest changesets to Ruby 1.9.2 no longer make the current directory . part of your LOAD_PATH . I have a non-trivial number of Rakefiles that assume that . is part of the LOAD_PATH , so this broke them (they reported "no such file to load" for all require statements that based off the proj...
Why is there no Convert.toFloat() method?
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Cython: “fatal error: numpy/arrayobject.h: No such file or directory”
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189
In your setup.py, the Extension should have the argument include_dirs=[numpy.get_include()].
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