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LINUX: Link all files from one to another directory [closed]
...ing turned on in bash. It matches everything starting with a dot, followed by something other than nothing or another dot (i.e. it excludes ./ and ../): ln -s /mnt/usr/lib/.!(|.)* /usr/lib
– Cascabel
Aug 28 '09 at 14:07
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How to remove a lambda event handler [duplicate]
...then the variable isn't definitely assigned. You typically get around this by assigning a null value to the variable first:
EventHandler handler = null;
handler = (sender, args) =>
{
button.Click -= handler; // Unsubscribe
// Add your one-time-only code here
}
button.Click += handler;
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How to check if a list is empty in Python? [duplicate]
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This is the way recommended by PEP8 as Chris Lacasse said in another comment.
– johan
Aug 14 '19 at 6:08
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How can I change the remote/target repository URL on Windows? [duplicate]
...n alternative address for the repository that I sometimes switch to simply by changing which line is commented out.
This is the file that is getting manipulated under-the-hood when you run something like git remote rm or git remote add but in this case since its only a typo you made it might make s...
php Replacing multiple spaces with a single space [duplicate]
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@codaddict: by chance, a moment ago i benchmarked those on real-life data, result (for calls on ~8300 various text articles): /(?:\s\s+|\n|\t)/ => 1410 (slowest), /\s+/ => 611 (ok'ish), /\s\s+/ => 496 (fastest). The last one doe...
Pairwise crossproduct in Python [duplicate]
... you can avoid the overhead of a list if you're just looping through these by using generators instead:
((x, y) for x in a for y in b)
Behaves identically in a for loop but doesn't result in the creation of a list.
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Make a bucket public in Amazon S3 [closed]
...ow can I set a bucket in Amazon S3 so all the files are publicly read-only by default?
2 Answers
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How can I beautify JSON programmatically? [duplicate]
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Programmatic formatting solution:
The JSON.stringify method supported by many modern browsers (including IE8) can output a beautified JSON string:
JSON.stringify(jsObj, null, "\t"); // stringify with tabs inserted at each level
JSON.stringify(jsObj, null, 4); // stringify with 4 spaces at ea...
FFmpeg C API documentation/tutorial [closed]
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note that this link was broken by stack overflow's autolinking regex not matching the star at the end of the link - you will need to manually add the star or else copy and paste the link to be taken to the wiki page.
– njahnke
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Converting a string to an integer on Android
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Use regular expression is best way to doing this as already mentioned by ashish sahu
public int getInt(String s){
return Integer.parseInt(s.replaceAll("[\\D]", ""));
}
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