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How to use background thread in swift?
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Dan Beaulieu's answer in swift5 (also working since swift 3.0.1).
Swift 5.0.1
extension DispatchQueue {
static func background(delay: Double = 0.0, background: (()->Void)? = nil, completion: (() -> Void)? = nil) {
DispatchQueue.global(qos: .background).async {
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Android Studio quick documentation always “fetching documentation”
...Documentation for Android SDK' in the latest release, for now it's Android 5.0(API 21), then restart Android studio.
If this happens again, just invalidate the caches.
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Show MySQL host via SQL Command
...this :-
resolveip google.com.sg
docs :- http://dev.mysql.com/doc/refman/5.0/en/resolveip.html
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How Can I Set the Default Value of a Timestamp Column to the Current Timestamp with Laravel Migratio
...created_at')->default(DB::raw('CURRENT_TIMESTAMP(0)'));
Since Laravel 5.0, timestamp() columns has been changed to use a default precision of zero which avoids this.
Thanks to @andrewhl for pointing out this issue in the comments.
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Should I use the datetime or timestamp data type in MySQL?
...IMESTAMP and ON UPDATE CURRENT_TIMESTAMP clauses" dev.mysql.com/doc/refman/5.0/en/timestamp-initialization.html
– Plap
Feb 23 '13 at 19:05
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Run certain code every n seconds [duplicate]
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import threading
def printit():
threading.Timer(5.0, printit).start()
print "Hello, World!"
printit()
# continue with the rest of your code
https://docs.python.org/3/library/threading.html#timer-objects
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ImageView in circular through xml
... Tried using this , looks like it does not work with Android below 5.0. Even though the image view is circular, the images are smaller with square shape, looks terrible. Any suggestion? 5.0 and above works good.
– Kaps
Oct 16 '16 at 10:56
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Do I need to disable NSLog before release Application?
...ettings, tab 'Build settings' -> scroll down to the section 'Apple LLVM 5.0 - Preprocessing' -> preprocessor macros. You'll see that the symbol 'DEBUG' is not defined for release builds !
finally, the .pch file is created by Xcode automatically, and automatically included in every source file...
How can I add an item to a IEnumerable collection?
...e typing to xs +=x - so go poke Mads (Torgersen) to prioritize this in C# 5.0 :)
– Pavel Minaev
Jul 31 '09 at 2:20
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Does PNG contain EXIF data like JPG?
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Edit: Version 1.5.0 (July 2017) of the Extensions to the PNG 1.2 Specification has finally added an EXIF chunk. It remains to be seen if encoders-decoders begin to support it.
Original: PNG does not embed EXIF info. It allows, however, to e...