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Elegant ways to support equivalence (“equality”) in Python classes
When writing custom classes it is often important to allow equivalence by means of the == and != operators. In Python, this is made possible by implementing the __eq__ and __ne__ special methods, respectively. The easiest way I've found to do this is the following method:
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How to do two-way filtering in AngularJS?
One of the interesting things AngularJS can do is apply a filter to a particular databinding expression, which is a convenient way to apply, for example, culture-specific currency or date formatting of a model's properties. It is also nice to have computed properties on the scope. The problem is tha...
How to remove gaps between subplots in matplotlib?
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You can use gridspec to control the spacing between axes. There's more information here.
import matplotlib.pyplot as plt
import matplotlib.gridspec as gridspec
plt.figure(figsize = (4,4))
gs1 = gridspec.GridSpec(4, 4)
gs1.update(wspace=0.025, hspace=0.05) # set ...
Possibility of duplicate Mongo ObjectId's being generated in two different collections?
... possible for the same exact Mongo ObjectId to be generated for a document in two different collections? I realize that it's definitely very unlikely, but is it possible?
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How to handle a lost KeyStore password in Android?
... be able to update the app and if it's not possible, how can I go about giving information to users about the updated version?
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What is the most frequent concurrency issue you've encountered in Java? [closed]
This is a poll of sorts about common concurrency problems in Java. An example might be the classic deadlock or race condition or perhaps EDT threading bugs in Swing. I'm interested both in a breadth of possible issues but also in what issues are most common. So, please leave one specific answer o...
Type List vs type ArrayList in Java [duplicate]
I understand that with (1), implementations of the List interface can be swapped. It seems that (1) is typically used in an application regardless of need (myself I always use this).
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SHA512 vs. Blowfish and Bcrypt [closed]
I'm looking at hashing algorithms, but couldn't find an answer.
6 Answers
6
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What is the difference between atomic and critical in OpenMP?
What is the difference between atomic and critical in OpenMP?
8 Answers
8
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Windows batch: formatted date into variable
How do I save the current date in YYYY-MM-DD format into some variable in a Windows .bat file?
17 Answers
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