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How do you know when to use fold-left and when to use fold-right?
I'm aware that fold-left produces left-leaning trees and fold-right produces right-leaning trees, but when I reach for a fold, I sometimes find myself getting bogged down in headache-inducing thought trying to determine which kind of fold is appropriate. I usually end up unwinding the entire proble...
What's a standard way to do a no-op in python?
I often find myself writing if / elif / else constructs in python, and I want to include options which can occur, but for which the corresponding action is to do nothing. I realise I could just exclude those if statements, but for readability I find it helps to include them all, so that if you are l...
How to Copy Contents of One Canvas to Another Canvas Locally
I'd like to copy ALL contents of one canvas and transfer them to another all on the client-side. I would think that I would use the canvas.toDataURL() and context.drawImage() method to implement this but I am running into a few issues.
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How can I measure the speed of code written in PHP? [closed]
How can I say which class of many (which all do the same job) execute faster? is there a software to measure that?
10 Answe...
What is the reason for having '//' in Python? [duplicate]
I saw this in someone's code:
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Converting between datetime, Timestamp and datetime64
How do I convert a numpy.datetime64 object to a datetime.datetime (or Timestamp )?
12 Answers
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How to check if running as root in a bash script
I'm writing a script that requires root level permissions, and I want to make it so that if the script is not run as root, it simply echoes "Please run as root." and exits.
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Converting integer to binary in python
In order to convert an integer to a binary, I have used this code :
14 Answers
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Depend on a branch or tag using a git URL in a package.json?
Say I've forked a node module with a bugfix and I want to use my fixed version, on a feature branch of course, until the bugfix is merged and released.
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print call stack in C or C++
Is there any way to dump the call stack in a running process in C or C++ every time a certain function is called? What I have in mind is something like this:
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