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Fastest way to extract frames using ffmpeg?

...actly which frames to extract, eg 1, 200, 400, 600, 800, 1000, try using: select='eq(n\,1)+eq(n\,200)+eq(n\,400)+eq(n\,600)+eq(n\,800)+eq(n\,1000)' \ -vsync vfr -q:v 2 I'm using this with a pipe to Imagemagick's montage to get 10 frames preview from any videos. Obviously the frame numbers ...
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UINavigationController without navigation bar?

... In Xcode 4.3.2: Select the navigation controller in the storyboard Select the Attributes Inspector in the (right) Utilities panel Under the Navigation Controller category you have two check boxes: [] Shows Navigation Bar [] Shows Toolbar ...
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How to check if a model has a certain column/attribute?

... For bonus points use Hash#select: number_hash.select { |key, value| Number.column_names.include? key } – hgmnz Nov 10 '09 at 18:31 ...
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Error: This Android SDK requires Android Developer Toolkit version 22.6.1 or above

...ow it will list the available updates, which should ideally be adt 20.x.x Select the list items Let it be installed. Eclipse will restart and Its done. I hope this will helpful for you :) share | ...
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How do I remove a folder from source control with TortoiseSVN?

...ose the folder where you want the working copy exported to. If you now select the very same path that your working copy is on as the target (i.e., you're exporting the working copy onto itself), TortoiseSVN will remove all .svn folders of that working copy. ...
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Freeze screen in chrome debugger / DevTools panel for popover inspection?

...e Open the dev console - F12 on Windows/Linux or option + ⌘ + J on macOS Select the Sources tab in chrome inspector In the web browser window, hover over the desired element to initiate the popover Hit F8 on Windows/Linux (or fn + F8 on macOS) while the popover is showing. If you have clicked anyw...
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Serialize form data to JSON [duplicate]

... @DaniëlCamps is right. A <select multiple> with more than one option selected will fail. – Vanderlei Pires Oct 4 '18 at 17:25 ...
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Creating a dynamic choice field

... @Ashok How could the CheckboxSelectMultiple widget be used in this instance? For the modelform especially. – wasabigeek Aug 14 '15 at 18:22 ...
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How to set environment variables in Jenkins?

... Go to your job Configure screen Find Add build step in Build section and select Inject environment variables Set the desired environment variable as VARIABLE_NAME=VALUE pattern. In my case, I changed value of USERPROFILE variable If you need to define a new environment variable depending on so...
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WCF - How to Increase Message Size Quota

...the issue: Right-Click on the Config File node at the bottom of the tree Select Edit with SvcConfigEditor A list of editable settings will appear, including MaxBufferSize. Note: Auto-generated proxy clients also set MaxBufferSize to 65536 by default. ...