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How to create a video from images with FFmpeg?
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As far as I know –r parameter is variable frame rate this means that FFMPEG might drop or duplicate frames to achieve desired output frame rate. Using fps filter “-vf fps=value” force FFMPEG to produce constant frame rate. See Creat...
How do I format a date in Jinja2?
Using Jinja2, how do I format a date field? I know in Python I can simply do this:
9 Answers
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The following sections have been defined but have not been rendered for the layout page “~/Views/Sha
...al") } So i deleted those for the time being and everything is working for now.
– Kevin Dark
Jun 11 '12 at 4:08
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Eclipse returns error message “Java was started but returned exit code = 1”
...dows system. More on paths can be found here (scroll down).
If you don't know where the eclipse.ini file is: regularly it is in the folder of your eclipse.exe.
Edit2: @KadoLakatt: the reason why installing the latest Java Version worked for you is because Eclipse checks the standard path for a JV...
Print current call stack from a method in Python code
...original question, which is how to print the current stack ("where you are now" as opposed to "where your code was when the last exception went off, if any".)
– Tom Swirly
Feb 27 '13 at 22:42
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Using node.js as a simple web server
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Simplest Node.js server is just:
$ npm install http-server -g
Now you can run a server via the following commands:
$ cd MyApp
$ http-server
If you're using NPM 5.2.0 or newer, you can use http-server without installing it with npx. This isn't recommended for use in production but ...
Scala 2.8 breakOut
... happens, the types From, T and To have already been inferred, because we know that map is expecting CanBuildFrom[List[String], (Int, String), Map[Int, String]]. Therefore:
From = List[String]
T = (Int, String)
To = Map[Int, String]
To conclude let's examine the implicit received by breakOut itse...
Copy constructor for a class with unique_ptr
...situations, the deleter will be type erased somehow, or pointless (if you know the type to delete, why change only the deleter?). In any case, yes, this is the design of a value_ptr -- unique_ptr plus deleter/copier information.
– Yakk - Adam Nevraumont
Jul 28...
How to intercept click on link in UITextView?
...URL:url];
}
@end
You will need to implement openURL: in your delegate.
Now, to have the application start with your new subclass of UIApplication, locate the file main.m in your project. In this small file that bootstraps your app, there is usually this line:
int retVal = UIApplicationMain(argc...
What is the most efficient string concatenation method in python?
...and.
Finally, the golden rule of optimization: don't optimize unless you know you need to, and measure rather than guessing.
You can measure different methods using the timeit module. That can tell you which is fastest, instead of random strangers on the internet making guesses.
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