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How can I link to a specific glibc version?
...in Ubuntu 18.04.
* https://stackoverflow.com/questions/56810/how-do-i-start-threads-in-plain-c/52453291#52453291 */
thrd_t thr[10];
for(int n = 0; n < 10; ++n)
thrd_create(&thr[n], f, NULL);
for(int n = 0; n < 10; ++n)
thrd_join(thr[n], NULL);
printf("T...
Is there a regular expression to detect a valid regular expression?
...
/
^ # start of string
( # first group start
(?:
(?:[^?+*{}()[\]\\|]+ # literals and ^, $
| \\. # escaped characters
...
How does Google's Page Speed lossless image compression work?
...www.jpegclub.org/jpegtran. I ran the executable using the DOS prompt (use Start > CMD). To get exactly the same file size (down to the byte) as PageSpeed compression, I specified Huffman optimization as follows:
jpegtran -optimize source_filename.jpg output_filename.jpg
For more help on comp...
Python in Xcode 4+?
... hardwired path; 2) when I run the python script Xcode stops at dyld`_dyld_start: If I "continue" it seems to work. Anyone else experience this?
– mts
Nov 21 '13 at 21:02
...
'dragleave' of parent element fires when dragging over children elements
... if (collection.size() === 0) {
self.trigger('dndHoverStart');
}
collection = collection.add(event.target);
});
self.on('dragleave', function(event) {
/*
* Firefox 3.6 fires the dragleave event on the previous ele...
How to find out client ID of component for ajax update/render? Cannot find component with expression
...youtUnit> of a <p:layout> . Here is the inner part of the code (starting from p:tab component); the outer part is trivial.
...
What's the difference between TRUNCATE and DELETE in SQL
... that table, primary key column holds value like 1,2,3,4,5....(if Identity starts from 1 and seed is 1), and when you truncate table it will lost all identity value, so when you start inserting data into that table again it will starts from 1 instead of where it is left last. In DELETE, it's reverse...
Why does Python print unicode characters when the default encoding is ASCII?
...I.
For example, I use a bash shell which encoding defaults to UTF-8. If I start Python from it, it picks up and use that setting:
$ python
>>> import sys
>>> print sys.stdout.encoding
UTF-8
Let's for a moment exit the Python shell and set bash's environment with some bogus enc...
How to get image height and width using java?
... result = path.substring(path.lastIndexOf('.'));
if (result.startsWith(".")) {
result = result.substring(1);
}
}
}
return result;
}
This solution is very quick as only image size is read from the file and not the whole image. I tested it a...
How to extract a string using JavaScript Regex?
...e
character.
Get rid of the ^ and $. With the global option they match on start and end of the full string, rather than on start and end of lines. Match on explicit newlines instead.
I suppose you want the matching group (what's
inside the parenthesis) rather than
the full array? arr[0] is
the full...