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how to show progress bar(circle) in an activity having a listview before loading the listview with d

...e the code before closing your button onClick event. loading.dismiss(); Tested it with my Nexus 5 android v4.0.3. Good luck! share | improve this answer | follow ...
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Getting the difference between two sets

... Try this test2.removeAll(test1); Set#removeAll Removes from this set all of its elements that are contained in the specified collection (optional operation). If the specified collection is also a set, this operation effectively ...
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Xcode build failure “Undefined symbols for architecture x86_64”

...ometimes the error "build failure “Undefined symbols for architecture x86_64”" may be caused by this. Because, some libs (not Apple's) were compiled for x32 originally and doesn't support x64. So what you need, is to change the "Architectures" for your project target like this NB. If you're us...
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Suppressing “warning CS4014: Because this call is not awaited, execution of the current method conti

This is not a duplicate of "How to safely call an async method in C# without await" . 8 Answers ...
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Creating a UICollectionView programmatically

...wDataSource,UICollectionViewDelegateFlowLayout> { UICollectionView *_collectionView; } Implementation File:-- - (void)viewDidLoad { [super viewDidLoad]; self.view = [[UIView alloc] initWithFrame:[[UIScreen mainScreen] bounds]]; UICollectionViewFlowLayout *layout=[[UICollect...
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How can I get the current network interface throughput statistics on Linux/UNIX? [closed]

...$dev/statistics"; my %stats = do { opendir +(my $dh), $dir; local @_ = readdir $dh; closedir $dh; map +($_, []), grep !/^\.\.?$/, @_; }; if (-t STDOUT) { while (1) { print "\033[H\033[J", run(); my ($time, $us) = gettimeofday(); my ($sec, $min, $hour) = l...
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Why does “pip install” inside Python raise a SyntaxError?

...stalled package so this is the right way of using the API: subprocess.check_call([sys.executable, '-m', 'pip', 'install', 'SomeProject']) but since Python allows to access internal API and you know what you're using the API for you may want to use internal API anyway eg. if you're building own GUI p...
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Can't operator == be applied to generic types in C#?

...hat == on the Generics would use the overloaded version, but the following test demonstrates otherwise. Interesting... I'd love to know why! If someone knows please share. namespace TestProject { class Program { static void Main(string[] args) { Test a = new Test(); Test...
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How to write URLs in Latex? [closed]

... Is there a way to escape special characters like & or _ automatically, when its part of the url? Those characters are often getting used in URLs as separator for dynamic values. – gies0r Mar 12 '19 at 23:56 ...
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How to concatenate strings in django templates?

... I was totally confused by this answer as it uses the include tag instead of the extend tag, but apparently it just works. Though I would recommend Ahsan's own answer as it also workes and is (in my opinion) semantically more correct a...