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Can PostgreSQL index array columns?
I can't find a definite answer to this question in the documentation. If a column is an array type, will all the entered values be individually indexed?
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Convert command line arguments into an array in Bash
How do I convert command-line arguments into a bash script array?
7 Answers
7
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How do I specify a pointer to an overloaded function?
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You can use static_cast<>() to specify which f to use according to the function signature implied by the function pointer type:
// Uses the void f(char c); overload
std::for_each(s.begin(), s.end(), static_cast<void (*)(char)>(&f));
// Uses the void f(int i); overload
std::...
looping through an NSMutableDictionary
How do I loop through all objects in a NSMutableDictionary regardless of the keys?
6 Answers
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Is there a way to hide the scroll indicators in a UIScrollView?
I've got a use case where those indicators disturb the user interaction. Can I subclass and override a method or do something similar to remove the scroll indicators from the scroll view?
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What's your most controversial programming opinion?
This is definitely subjective, but I'd like to try to avoid it becoming argumentative. I think it could be an interesting question if people treat it appropriately.
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How to use git merge --squash?
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Say your bug fix branch is called bugfix and you want to merge it into master:
git checkout master
git merge --squash bugfix
git commit
This will take all the commits from the bugfix branch, squash them into 1 commit, and merge it with your master branch.
Explanation:
git checkout master
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What is the difference between a dialog being dismissed or canceled in Android?
Like the title says, what is the difference between a dialog being dismissed or canceled in Android?
4 Answers
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Break or return from Java 8 stream forEach?
When using external iteration over an Iterable we use break or return from enhanced for-each loop as:
13 Answers
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How to break out of jQuery each Loop
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To break a $.each or $(selector).each loop, you have to return false in the loop callback.
Returning true skips to the next iteration, equivalent to a continue in a normal loop.
$.each(array, function(key, value) {
if(value === "foo") {
return false; // breaks
}
});
// or
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