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MySQL: Set user variable from result of query
...for SET, either = or := can be used as the assignment operator. However inside other statements, the assignment operator must be := and not = because = is treated as a comparison operator in non-SET statements.
UPDATE:
Further to comments below, you may also do the following:
SET @user := 12345...
What is 'Currying'?
... like the add(3, 4) statement. The second statement defines a new function called add3 that will add 3 to its argument. This is what some people may call a closure. The third statement uses the add3 operation to add 3 to 4, again producing 7 as a result.
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How do I select the parent form based on which submit button is clicked?
...with 3 forms on it. Not nested, just one after the other (they are almost identical, just one hidden variable that's different). A user will only fill in one form, and I'd like to validate/etc all the forms with only one JS script.
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What is the gain from declaring a method as static
... Plus, you don't need to fiddle with acquiring an instance just to call an independent, self-contained function.
– Marko Topolnik
Jun 28 '12 at 7:56
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jQuery if checkbox is checked
...and suggesting that the absolute fastest recommendation would be to add an ID
– Tom Stickel
Sep 15 '15 at 23:01
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How to iterate through SparseArray?
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Take sparseArray.size() in one variable so it will not call size() every time.
– Pratik Butani
Oct 26 '16 at 4:37
4
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Toggle input disabled attribute using jQuery
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prop is the better method since 1.6 as said by Arne.
– Ciro Santilli 郝海东冠状病六四事件法轮功
Jul 5 '14 at 14:49
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Get key by value in dictionary
...h by value if necessary. If you are working with a key:value pair object (call it dictionary, tuple, whatever name for whatever language). In python, it's a fact that you can still index through the values of the structure to find out the corresponding keys.
– Tropicalrambler
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Multiple arguments vs. options object
...ode readability as the litmus test.
For instance, if I have this function call:
checkStringLength(inputStr, 10);
I think that code is quite readable the way it is and passing individual parameters is just fine.
On the other hand, there are functions with calls like this:
initiateTransferProtoc...
Create array of regex matches
... // Keep a match around that supports any interleaving of hasNext/next calls.
MatchResult pending;
public boolean hasNext() {
// Lazily fill pending, and avoid calling find() multiple times if the
// clients call hasNext() repeatedly before sampling via next(...