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Fastest way to extract frames using ffmpeg?

... video 38m07s long: time ffmpeg -i input.mp4 -filter:v fps=fps=1/60 ffmpeg_%0d.bmp 1m36.029s This takes long because ffmpeg parses the entire video file to get the desired frames. time for i in {0..39} ; do ffmpeg -accurate_seek -ss `echo $i*60.0 | bc` -i input.mp4 -frames:v 1 period_down_$i....
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Difference between Property and Field in C# 3.0+

... in several ways. For example: class Person: IPerson { private string _name; public string FirstName { get { return _name ?? string.Empty; } set { if (value == null) throw new System.ArgumentNullException("v...
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How can I autoplay a video using the new embed code style for Youtube?

...ted into key=value pairs by the '&' symbol. en.wikipedia.org/wiki/Query_string#Structure – knickum Jan 31 '17 at 19:35 4 ...
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Where in an Eclipse workspace is the list of projects stored?

...d up fixing these files in place with (D:->F:) sfk replace -pat -binary _5552492F2F66696C653A2F443A2F_5552492F2F66696C653A2F463A2F_ -dir .metadata\.plugins\org.eclipse.core.resources\.projects -file .location – mgaert Oct 2 '14 at 12:10 ...
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What are libtool's .la file for?

... # Static library /lib/libfoo.la # libtool library /bin/cygfoo_1.dll # DLL Under Windows MinGW: /lib/libfoo.dll.a # Import library /lib/libfoo.a # Static library /lib/libfoo.la # 'libtool' library /bin/foo_1.dll # DLL So libfoo.la is the only file that is p...
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What column type/length should I use for storing a Bcrypt hashed password in a Database?

...or MySQL I’ll recommend to use the CHAR(60) BINARYor BINARY(60) (see The _bin and binary Collations for information about the difference). CHAR is not binary safe and equality does not depend solely on the byte value but on the actual collation; in the worst case A is treated as equal to a. See Th...
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Programmatically set the initial view controller using Storyboards

... Swift 3: Update to @victor-sigler's code func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool { self.window = UIWindow(frame: UIScreen.main.bounds) // Assuming your storyboard is named ...
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UISegmentedControl below UINavigationbar in iOS 7

...WillAppear:(BOOL)animated { [super viewWillAppear:animated]; [self _moveHairline:YES]; } - (void)viewWillDisappear:(BOOL)animated { [super viewWillDisappear:animated]; [self _moveHairline:NO]; } - (void)_moveHairline:(BOOL)appearing { // move the hairline below the segmentbar ...
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Resharper- Find all unused classes

...hing like the following : public class IoC { private WindsorContainer _container; private IoC() { _container = new WindsorContainer(); } public static void RegisterFromAssembly(Assembly assembly, string classEndsWith, LifeTime lifeTime) { var lifestyle = C...
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How do I resolve configuration errors with Nant 0.91?

...t-item -stream zone.identifier -erroraction silentlycontinue | foreach { $_.pspath = $_.pspath -replace ':zone.identifier'; $_ } | unblock-file Of course you could do it this way, without knowing which was blocked or not: get-childitem -recurse c:\nant-92 | unblock-file ...