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Determine if Python is running inside virtualenv
...d or supported by most Python 3 frameworks and applications, this function now reduces to a trivial one-liner: def is_venv(): return hasattr(sys, 'real_prefix') or sys.base_prefix != sys.prefix. Just sayin'.
– Cecil Curry
Nov 13 '19 at 6:36
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How to calculate an angle from three points? [closed]
... answer, I posted before thinking my problem through. I got it figured out now, though.
– nicoco
Sep 28 '17 at 15:11
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Hidden features of Python [closed]
What are the lesser-known but useful features of the Python programming language?
191 Answers
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int a[] = {1,2,}; Weird comma allowed. Any particular reason?
...mmas. Basically it means there's a uniformity in how you treat the lines.
Now think about generating code. Something like (pseudo-code):
output("int a[] = {");
for (int i = 0; i < items.length; i++) {
output("%s, ", items[i]);
}
output("};");
No need to worry about whether the current ite...
Android Studio: how to attach Android SDK sources?
...nst api 24 before the sources were released. I want to point at the source now that they've been released. Restarting Android Studio after downloading the sources in the SDK manager wasnt working.
I had to act like I was going to Edit the SDK location in the SDK Manager, when I did that, I could ju...
Best way to define error codes/strings in Java?
...g or whatever*/ id();
}
public interface IMessage {
ICode code();
}
Now you can define any number of enums which provide me
Percentage width in a RelativeLayout
...rks perfectly, but if you were dead set on using a RelativeLayout, you can now use the PercentRelativeLayout from support library version 23.0.0.
– neits
Aug 21 '15 at 12:36
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Why start an ArrayList with an initial capacity?
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If you know in advance what the size of the ArrayList is going to be, it is more efficient to specify the initial capacity. If you don't do this, the internal array will have to be repeatedly reallocated as the list grows.
The large...
if arguments is equal to this string, define a variable like this string
I am doing some bash script and now I got one variable call source and one array called samples , like this:
3 Answers
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Why do you create a View in a database?
...pected cost of fixing it later is more than the definite cost of fixing it now.
– Mr. Boy
Feb 8 '10 at 9:19
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