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How does PHP 'foreach' actually work?
Let me prefix this by saying that I know what foreach is, does and how to use it. This question concerns how it works under the bonnet, and I don't want any answers along the lines of "this is how you loop an array with foreach ".
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Difference between HEAD and master
...type of reference that points to another reference. It may point to master or it may not (it will point to whichever branch is currently checked out). If you know you want to be committing to the master branch then push to this.
Here is a visual example:
On your own repository you can check wher...
Perform debounce in React.js
How do you perform debounce in React.js?
34 Answers
34
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how to use XPath with XDocument?
There is a similar question, but it seems that the solution didn't work out in my case: Weirdness with XDocument, XPath and namespaces
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What is the difference between ${var}, “$var”, and “${var}” in the Bash shell?
...the title says: what does it mean to encapsulate a variable in {} , "" , or "{} "? I haven't been able to find any explanations online about this - I haven't been able to refer to them except for using the symbols, which doesn't yield anything.
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Is key-value observation (KVO) available in Swift?
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(Edited to add new info): consider whether using the Combine framework can help you accomplish what you wanted, rather than using KVO
Yes and no. KVO works on NSObject subclasses much as it always has. It does not work for classes that don't subclass NSObject. Swift does not (currently at l...
Git, see a list of comments of my last N commits
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If you want to use the command line you can use the --author=<your name>
For example: to see your last 5 commits
git log -n 5 --author=Salvador
If you want a simpler one line solution:
git log --oneline -n 5 --author=Salvador
Edited to add
If you like the single line v...
Redis cache vs using memory directly
...ave not used Redis yet, but I heard about it and plan to try it as cache storing.
2 Answers
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How to place div side by side
...pace. How do i float the second div to fill the rest of the space. Thanks for any help.
7 Answers
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JavaScript: empty array, [ ] evaluates to true in conditional structures. Why is this?
... there is a handful table showing unexpected situations using == comparator in the link you posted. I commented just to be careful when expecting true or false evaluation.
– m.rufca
Apr 24 '18 at 21:10
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