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to remove first and last element in array
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fruits.shift(); // Removes the first element from an array and returns only that element.
fruits.pop(); // Removes the last element from an array and returns only that element.
See all methods for an Array.
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Why is my variable unaltered after I modify it inside of a function? - Asynchronous code reference
...useful resources:
@Felix Kling's answer to "How do I return the response from an asynchronous call?". See his excellent answer explaining synchronous and asynchronous flows, as well as the "Restructure code" section.
@Benjamin Gruenbaum has also put a lot of effort explaining asynchronicity in the...
Checkout another branch when there are uncommitted changes on the current branch
...y means "Commit all the changes, but on no branch at all, then remove them from where I am now." That makes it possible to switch: you now have no in-progress changes. You can then git stash apply them after switching.
Sidebar: git stash save is the old syntax; git stash push was introduced in...
Recover from git reset --hard?
Is there any way to recover uncommitted changes to the working directory from a git reset --hard HEAD ?
22 Answers
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Using global variables between files?
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The problem is you defined myList from main.py, but subfile.py needs to use it. Here is a clean way to solve this problem: move all globals to a file, I call this file settings.py. This file is responsible for defining globals and initializing them:
# settin...
What is the point of interfaces in PHP?
...ces, but still not allow multiple inheritance. The issues with inheriting from multiple classes are many and varied and the wikipedia page on it sums them up pretty well.
Interfaces are a compromise. Most of the problems with multiple inheritance don't apply to abstract base classes, so most mode...
How to run mvim (MacVim) from Terminal?
...set it up as the editor for Git (version control), but I can't run 'mvim' from the command line as it isn't recognised. How do I setup mvim so I can run it from Terminal?
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how to concatenate two dictionaries to create a new one in Python? [duplicate]
...e(d2)
d4.update(d3)
Previous SO question that both of these answers came from is here.
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GitHub pull request showing commits that are already in target branch
...r. The target branch was behind master and the pull request showed commits from master, so I merged master and pushed it to GitHub, but the commits and diff for them still appear in the pull request after refreshing. I've doubled checked that the branch on GitHub has the commits from master. Why are...
Get to UIViewController from UIView?
Is there a built-in way to get from a UIView to its UIViewController ? I know you can get from UIViewController to its UIView via [self view] but I was wondering if there is a reverse reference?
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