大约有 31,500 项符合查询结果（耗时：0.0524秒） [XML]
Most efficient way to prepend a value to an array
...g-O performance if you are ok with modifying the array in-place. If you really can't mutate the original array then you would do something like the below snippet, which doesn't seem to be appreciably faster than your solution:
a.slice().unshift(0); // Use "slice" to avoid mutating "a".
[Edit 2]
...
socket.shutdown vs socket.close
...
Here's one explanation:
Once a socket is no longer required,
the calling program can discard the
socket by applying a close subroutine
to the socket descriptor. If a
reliable delivery socket has data
associated with it when a close takes
place, the system continues to attempt
da...
How to enable Bootstrap tooltip on disabled button?
... Just a side note, this only works for IE in 11 or higher. Pretty much all other modern browsers have supported it for a while. See: caniuse.com/#feat=pointer-events
– Neil Monroe
Aug 14 '14 at 22:26
...
T-SQL stored procedure that accepts multiple Id values
...sing the List as Many Parameters. Tedious and error prone, but simple.
Really Slow Methods. Methods that uses charindex, patindex or LIKE.
I really can't recommend enough to read the article to learn about the tradeoffs among all these options.
...
How do you find out the caller function in JavaScript?
Is there a way to find out the call stack?
31 Answers
31
...
How can I detect if a file is binary (non-text) in python?
...446549/… The answer based on an activestate recipe looks good to me, it allows a small proportion of non-printable characters (but no \0, for some reason).
– Sam Watkins
Mar 14 '13 at 2:57
...
Get operating system info
...x]{2})', 'Windows');
// Doesn't seem like these are necessary...not totally sure though..
//$ros[] = array('(winnt)([0-9]{1,2}\.[0-9]{1,2}){0,1}', 'Windows NT');
//$ros[] = array('(windows nt)(([0-9]{1,2}\.[0-9]{1,2}){0,1})', 'Windows NT'); // fix by bg
$ros[] = array('Windows ME', '...
Hidden features of Windows batch files
...
Line continuation:
call C:\WINDOWS\system32\ntbackup.exe ^
backup ^
/V:yes ^
/R:no ^
/RS:no ^
/HC:off ^
/M normal ^
/L:s ^
@daily.bks ^
/F daily.bkf
...
How do I hide an element when printing a web page?
...You can even have multiple screen sections for different resolutions. Basically if you just add what's given in this answer, it will not work. Believe me I've tried. So how did this get 69 upvotes?
– Codeguy007
Nov 16 '12 at 21:39
...
I lost my .keystore file?
...ed. So, there is no other way: you should issue another application.
Generally, the only advise that exists on keystores: "always back it up!"
share
|
improve this answer
|
...