大约有 40,000 项符合查询结果(耗时:0.0532秒) [XML]
Timeout on a function call
...Python interpreter. For this use case, use ATOzTOA's answer: stackoverflow.com/a/14924210/1286628
– wkschwartz
Feb 20 '14 at 20:25
14
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Why is '+' not understood by Python sets?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Delete directory with files in it?
...
As seen in most voted comment on PHP manual page about rmdir() (see http://php.net/manual/es/function.rmdir.php), glob() function does not return hidden files. scandir() is provided as an alternative that solves that issue.
Algorithm described there (which worked like a charm in my case) is...
Prevent onmouseout when hovering child element of the parent absolute div WITHOUT jQuery
... HTML needed, check it out...
EDIT FIXED link for cross-browser support http://jsfiddle.net/RH3tA/9/
NOTE that this only checks the immediate parent, if the parent div had nested children then you have to somehow traverse through the elements parents looking for the "Orginal element"
EDIT exa...
Elegant ways to support equivalence (“equality”) in Python classes
...n2 # False -- oops
So, Python by default uses the object identifiers for comparison operations:
id(n1) # 140400634555856
id(n2) # 140400634555920
Overriding the __eq__ function seems to solve the problem:
def __eq__(self, other):
"""Overrides the default implementation"""
if isinstance...
Regex lookahead for 'not followed by' in grep
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Check if object is a jQuery object
...
You may also use the .jquery property as described here: http://api.jquery.com/jquery-2/
var a = { what: "A regular JS object" },
b = $('body');
if ( a.jquery ) { // falsy, since it's undefined
alert(' a is a jQuery object! ');
}
if ( b.jquery ) { // truthy, since it's a...
Useful GCC flags for C
...ain buffer overflows and helps to catch all kinds of dangling pointers.
http://gcc.gnu.org/wiki/Mudflap_Pointer_Debugging
Here's a demo:
$ cat mf.c
int main()
{
int a[10];
a[10]=1; // <-- o noes, line 4
}
$ gcc -fmudflap mf.c -lmudflap
$ ./a.out
*******
mudflap violation 1 (check/writ...
Using getopts to process long and short command line options
...reeBSD it needs to be installed separately. On Mac OS X, install MacPorts (http://www.macports.org) and then do sudo port install getopt to install GNU getopt (usually into /opt/local/bin), and make sure that /opt/local/bin is in your shell path ahead of /usr/bin. On FreeBSD, install misc/getopt.
A...
Most underused data visualization [closed]
...start.date <- "2006-01-12"
end.date <- Sys.Date()
quote <- paste("http://ichart.finance.yahoo.com/table.csv?s=",
stock, "&a=", substr(start.date,6,7),
"&b=", substr(start.date, 9, 10),
"&c=", substr(start.date, 1,4),
...
