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How can I “unuse” a namespace?
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Nope. But there's a potential solution: if you enclose your include directive in a namespace of its own, like this...
namespace codegear {
#include "codegear_header.h"
} // namespace codegear
...then the effects of any using directives within that header are...
AsyncTask threads never die
...pool, created with ThreadPoolExecutor. It will have from 5 to 128 threads. If there are more than 5 threads, those extra threads will stick around for at most 10 seconds before being removed. (note: these figures are for the presently-visible open source code and vary by Android release).
Leave the...
Calling a function within a Class method?
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In order to have a "function within a function", if I understand what you're asking, you need PHP 5.3, where you can take advantage of the new Closure feature.
So you could have:
public function newTest() {
$bigTest = function() {
//Big Test Here
}
}
...
jquery select change event get selected option
...ture stated there is obviously jQuery( selector [, context ] ). @Bellash: if it's "almost the same", what is the difference? Or what is faster? I prefer .find() since this is more OO IMO...
– Adrian Föder
May 7 '14 at 6:54
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How to randomize two ArrayLists in the same fashion?
... of imgList according to the randomization of fileList ? Like in excel, if we sort certain column, the other column will automatically follow?
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How to change Android version and code version number?
...ge Android version and code version number. I tried with this in AndroidManifest.xml file in Android Studio:
10 Answers
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What's a reliable way to make an iOS app crash?
...see Is null pointer dereference undefined behavior in Objective-C?)
(in swift you would have to bridge to objC to do this)
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Best way to concatenate List of String objects? [duplicate]
... I agree that I don't like the OP's way of doing it, but for different reasons. (1) Doing it this way disguises the intent of the code (whereas something like StringUtils.join is perfectly readable). (2) It's not flexible, since you might want to change the delimiter. (Just replacing "...
Add 10 seconds to a Date
...Try doing d.setSeconds(d.getSeconds() - 92); and you'll end up with 2'32" difference instead of 1'32". The solution with new Date(d.getTime() - 92*1000); works however !
– Rafalon
Oct 16 '17 at 12:42
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How to add an auto-incrementing primary key to an existing table, in PostgreSQL?
...ee https://blog.2ndquadrant.com/postgresql-10-identity-columns/.
For the difference between GENERATED BY DEFAULT and GENERATED ALWAYS, see https://www.cybertec-postgresql.com/en/sequences-gains-and-pitfalls/.
For altering the sequence, see https://popsql.io/learn-sql/postgresql/how-to-alter-sequen...