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how to check if object already exists in a list
...ld use a HashSet. If later operations required indexing, I'd create a list from it when the Adding was done, otherwise, just use the hashset.
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What is the best regular expression to check if a string is a valid URL?
..., $suffix = '') {
return '(?:' . $str . ')' . $suffix;
}
/* Preserved from RFC3986 */
$ALPHA = 'a-z';
$DIGIT = '0-9';
$HEXDIG = $DIGIT . 'a-f';
$sub_delims = '!\\$&\'\\(\\)\\*\\+,;=';
$gen_delims = ':\\/\\?\\#\\[\\]@';
$reserved = $gen_delims . $sub_delims;
$unreserved = '-' . $ALPHA . $D...
Why does C# forbid generic attribute types?
...'s definitely a language decision rather than a runtime one.
EDIT: Answer from Eric Lippert (paraphrased): no particular reason, except to avoid complexity in both the language and compiler for a use case which doesn't add much value.
...
How do malloc() and free() work?
...ew chunk of memory is needed. It is scanned before it calls for new memory from the OS. When a chunk is found that is bigger than the needed memory, it is divided into two parts. One is returned to caller, the other is put back into the free list.
There are many different optimizations to this stan...
Compiling problems: cannot find crt1.o
...Ubuntu this worked sudo apt-get install gcc-multilib and it fixed my error from gfortran -m32 ...
– randwa1k
Sep 10 '14 at 1:11
1
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Find all files with name containing string
I have been searching for a command that will return files from the current directory which contain a string in the filename. I have seen locate and find commands that can find files beginning with something first_word* or ending with something *.jpg .
...
Bash script error [: !=: unary operator expected
...swer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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How to remove focus border (outline) around text/input boxes? (Chrome) [duplicate]
...
this remove orange frame in chrome from all and any element no matter what and where is it
*:focus {
outline: none;
}
Centering a div block without the width
...ly can't be known in advance. I can't really tell what you're trying to do from the example code — there's nothing obvious in there that would need a shrink-to-fit block — but a list of products could possibly be considered tabular.
[PS. never use ‘pt’ for font sizes on the web. ‘...
How to change the text of a button in jQuery?
... wrapped it in a .click() call, of course
EDIT 2 : Newer jQuery versions (from > 1.6) use .prop rather than .attr
EDIT 3 : If you're using jQuery UI, you need to use DaveUK's method (below) of adjusting the text property
...