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Split a string by a delimiter in python
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Append integer to beginning of list in Python [duplicate]
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It would be nice for python to add a list.push_front(item) function. This will be obvious and less error-prone.
– Kemin Zhou
Sep 18 '16 at 3:21
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How to convert an array of strings to an array of floats in numpy?
...(float, list_of_strings)) (or equivalently, use a list comprehension). (In Python 3, you'll need to call list on the map return value if you use map, since map returns an iterator now.)
However, if it's already a numpy array of strings, there's a better way. Use astype().
import numpy as np
x = n...
How to view the contents of an Android APK file?
....zip and extract it with any zip utility (e.g. 7zip).
The androidmanifest.xml file and the resources will be extracted and can be viewed whereas the source code is not in the package - just the compiled .dex file ("Dalvik Executable")
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How to hide Soft Keyboard when activity starts
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If you don't want to use xml, make a Kotlin Extension to hide keyboard
// In onResume, call this
myView.hideKeyboard()
fun View.hideKeyboard() {
val inputMethodManager = context.getSystemService(INPUT_METHOD_SERVICE) as InputMethodManager
i...
How to make a class JSON serializable
How to make a Python class serializable?
33 Answers
33
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Correct way to try/except using Python requests module?
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It is more efficient to use if-return-return or if-else-return?
...code has to perform a jump if the if condition is false anyway.
Note that Python supports a syntax that allows you to use only one return statement in your case:
return A+1 if A > B else A-1
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Else clause on Python while statement
I've noticed the following code is legal in Python. My question is why? Is there a specific reason?
12 Answers
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Convert sqlalchemy row object to python dict
...e function is too long and not suited for some tastes here is a one liner (python 2.7+)
row2dict = lambda r: {c.name: str(getattr(r, c.name)) for c in r.__table__.columns}
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