大约有 43,000 项符合查询结果(耗时:0.0606秒) [XML]

https://stackoverflow.com/ques... 

Make anchor link go some pixels above where it's linked to

... My page went wild... *_* – user5147563 Mar 7 '17 at 18:39 ...
https://stackoverflow.com/ques... 

WebDriver: check if an element exists? [duplicate]

... It seems the default implicit wait time is 0, (seleniumhq.org/docs/04_webdriver_advanced.html) So unless you've configured it to be longer, this shouldn't be necessary. – Andrew M May 24 '12 at 9:43 ...
https://stackoverflow.com/ques... 

How do I split a string with multiple separators in javascript?

... Array ? flatten(val) : val); },[]); } var stringToSplit = "people and_other/things"; var splitList = [" ", "_", "/"]; splitString(stringToSplit, splitList); Example above returns: ["people", "and", "other", "things"] Note: flatten function was taken from Rosetta Code ...
https://stackoverflow.com/ques... 

What is the difference between DSA and RSA?

.../web.archive.org/web/20140212143556/http://courses.cs.tamu.edu:80/pooch/665_spring2008/Australian-sec-2006/less19.html RSA RSA encryption and decryption are commutative hence it may be used directly as a digital signature scheme given an RSA scheme {(e,R), (d,p,q)} to sign a message M, compute: ...
https://stackoverflow.com/ques... 

Can PNG image transparency be preserved when using PHP's GDlib imagecopyresampled?

...ay, but did achieve my needs at the time. $uploadTempFile = $myField[ 'tmp_name' ] list( $uploadWidth, $uploadHeight, $uploadType ) = getimagesize( $uploadTempFile ); $srcImage = imagecreatefrompng( $uploadTempFile ); $targetImage = imagecreatetruecolor( 128, 128 ); imagealphablending( $ta...
https://stackoverflow.com/ques... 

What is the easiest way to duplicate an activerecord record?

...a copy, use the clone (or dup for rails 3.1+) method: # rails < 3.1 new_record = old_record.clone #rails >= 3.1 new_record = old_record.dup Then you can change whichever fields you want. ActiveRecord overrides the built-in Object#clone to give you a new (not saved to the DB) record with a...
https://stackoverflow.com/ques... 

How do I sort strings alphabetically while accounting for value when a string is numeric?

... bool IsNumeric(string value) { return int.TryParse(value, out _); } /// <inheritdoc /> public int Compare(string s1, string s2) { const int S1GreaterThanS2 = 1; const int S2GreaterThanS1 = -1; var IsNumeric1 = IsNumeric(s1); var Is...
https://stackoverflow.com/ques... 

Disabling swap files creation in vim

...swered May 4 '09 at 20:37 markus_bmarkus_b 3,91322 gold badges1616 silver badges1515 bronze badges ...
https://stackoverflow.com/ques... 

Tools to get a pictorial function call graph of code [closed]

...0(int i) { return f1(1) + f2(2); } int pointed(int i) { return i; } int not_called(int i) { return 0; } int main(int argc, char **argv) { int (*f)(int); f0(1); f1(1); f = pointed; if (argc == 1) f(1); if (argc == 2) not_called(1); return 0; } Usage: su...
https://stackoverflow.com/ques... 

How do I access this object property with an illegal name?

... <?php $x = new StdClass(); $x->{'todo-list'} = 'fred'; var_dump($x); So, $object->{'todo-list'} is the sub-object. If you can set it like that, then you can also read it the same way: echo $x->{'todo-list'}; Another possibility: $todolist = 'todo-list'; echo $x->$todolis...