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Fastest way to extract frames using ffmpeg?

...use fast seeking to go to the desired time index and extract a frame, then call ffmpeg several times for every time index. Note that -accurate_seek is the default , and make sure you add -ss before the input video -i option. Note that it's better to use -filter:v -fps=fps=... instead of -r as the l...
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SQL keys, MUL vs PRI vs UNI

...rences another table's primary key is MUL mysql> create table penguins(id int primary key); Query OK, 0 rows affected (0.01 sec) mysql> create table skipper(id int, foreign key(id) references penguins(id)); Query OK, 0 rows affected (0.01 sec) mysql> desc skipper; +-------+---------+----...
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How to create a new file together with missing parent directories?

...ntFile().mkdirs(); file.createNewFile(); I don't know of a single method call that will do this, but it's pretty easy as two statements. share | improve this answer | follo...
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Removing array item by value

... @srcspider why not? $referenced = array_diff($referenced, $items_to_remove); – Alejandro García Iglesias Aug 22 '13 at 0:09 ...
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Calculate text width with JavaScript

...n the (possibly truncated) string, and determine the Font attributes dynamically so that they don't have to be hard-coded, allowing CSS font attributes to change without breaking the layout. JSFiddle Here: jsfiddle.net/brebey/1q94gLsu/6/embed – BRebey May 18 '...
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How do I create a new branch?

...nto. The common way of 'naming' a branch is to place it under a directory called branches in your repository. In the "To URL:" portion of TortoiseSVN's Branch dialog, you would therefore enter something like: (svn/http)://path-to-repo/branches/your-branch-name The main branch of a project is ref...
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Accessing localhost (xampp) from another computer over LAN network - how to?

...stening for any request on port 80, not just localhost, so, if your PC was called vr3609, then http to it should take you to your website. – BugFinder Apr 2 '11 at 17:43 ...
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switch() statement usage

...hmark would get around the GC issue, but it seems to have more overhead by calling eval and replicate. – Tommy Oct 19 '11 at 19:34 ...
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mvn clean install vs. deploy vs. release

...age into the local repository, for use as a dependency in other projects locally. mvn deploy This command invokes the deploy phase: deploy: copies the final package to the remote repository for sharing with other developers and projects. mvn release This is not a valid phase nor a go...
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Android icon vs logo

...lication logo in the manifest file with the android:logo attribute, then call setDisplayUseLogoEnabled(true) in your activity. Source: http://developer.android.com/sdk/android-3.0.html#api share | ...