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What exactly are late static bindings in PHP?
... which it is used. This means that if you make a method in a parent class and call it from a child class, self will not reference the child as you might expect.
Late static binding introduces a new use for the static keyword, which addresses this particular shortcoming. When you use static, it re...
How can I explicitly free memory in Python?
... I'm using python 3.6. Calling gc.collect() after loading a pandas dataframe from hdf5 (500k rows) reduced memory usage from 1.7GB to 500MB
– John
Jan 18 '18 at 20:30
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Find directory name with wildcard or similar to “like”
I am using the following command to find a directory name.
1 Answer
1
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Find a private field with Reflection?
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Use BindingFlags.NonPublic and BindingFlags.Instance flags
FieldInfo[] fields = myType.GetFields(
BindingFlags.NonPublic |
BindingFlags.Instance);
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Getting an object from an NSSet
...containsObject to test for membership, use anyObject to get a member (not random), or convert it to an array (in no particular order) with allObjects.
A set is appropriate when you don't want duplicates, don't care about order, and want fast membership testing.
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How to get a reference to a module inside the module itself?
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One more technique, which doesn't import the sys module, and arguably - depends on your taste - simpler:
current_module = __import__(__name__)
Be aware there is no import. Python imports each module only once.
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Delete files or folder recursively on Windows CMD
How do I delete files or folders recursively on Windows from the command line?
12 Answers
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How do I lowercase a string in Python?
...y2casefold - several answers address this here.
Unicode Python 3
Python 3 handles plain string literals as unicode:
>>> string = 'Километр'
>>> string
'Километр'
>>> string.lower()
'километр'
Python 2, plain string literals are bytes
In Python 2, t...
How to step through Python code to help debug issues?
...va/C# you can easily step through code to trace what might be going wrong, and IDE's make this process very user friendly.
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Redirecting to previous page after authentication in node.js using passport.js
I'm trying to establish a login mechanism using node.js, express and passport.js. The Login itself works quite nice, also sessions are stored nicely with redis but I do have some troubles with redirecting the user to where he started from before being prompted to authenticate.
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