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Picking a random element from a set
How do I pick a random element from a set?
I'm particularly interested in picking a random element from a
HashSet or a LinkedHashSet, in Java.
Solutions for other languages are also welcome.
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Understanding slice notation
... What really annoys me is that python says that when you don't set the start and the end, they default to 0 and the length of sequence. So, in theory, when you use "abcdef"[::-1] it should be transformed to "abcdef"[0:6:-1], but these two expressions does not get the same output. I feel ...
How to detect when facebook's FB.init is complete
...cess the session
xfbml : true // parse XFBML
});
FB.Canvas.setAutoResize();
runFbInitCriticalCode(); //function that contains FB init critical code
};
If you want exact replacement of FB.ensureInit then you would have to write something on your own as there is no official re...
How to configure git bash command line completion?
...
I was behind a proxy so I had to set the proxy first for the curl to work export https_proxy=proxy_ip:proxy_port I don't really get why it does not get the settings from the system.
– madlymad
Jun 23 '15 at 13:57
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Is there a way to select sibling nodes?
... Note that jquery.siblings() excludes the current node from the result set.
– cletus
May 9 '09 at 0:14
3
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How to find out line-endings in a text file?
...
In vi...
:set list to see line-endings.
:set nolist to go back to normal.
While I don't think you can see \n or \r\n in vi, you can see which type of file it is (UNIX, DOS, etc.) to infer which line endings it has...
:set ff
Alter...
How are cookies passed in the HTTP protocol?
...
The server sends the following in its response header to set a cookie field.
Set-Cookie:name=value
If there is a cookie set, then the browser sends the following in its request header.
Cookie:name=value
See the HTTP Cookie article at Wikipedia for more information.
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Show Image View from file path?
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Labeeb is right about why you need to set image using path if your resources are already laying inside the resource folder ,
This kind of path is needed only when your images are stored in SD-Card .
And try the below code to set Bitmap images from a file stored...
How to merge YAML arrays?
... editor after snippets, if snippets enabled
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Use ffmpeg to add text subtitles [closed]
...wer: stackoverflow.com/questions/21363334/…. You will probably want to set the font in the subtitle file itself, otherwise using the subtitle filter, you could force_style to set the Font: ffmpeg.org/ffmpeg-filters.html#subtitles-1
– HdN8
Apr 27 '15 at 16:...