大约有 6,000 项符合查询结果(耗时:0.0254秒) [XML]

https://stackoverflow.com/ques... 

How to create a GUID/UUID using iOS

... To make this ARC compliant you must cast the string object and remove the autorelease call. In other words add the cast: NSString* string = (__bridge_transfer NSString*)CFUUIDCreateString(NULL, theUUID); – Paul de Lange Ma...
https://stackoverflow.com/ques... 

How to force a web browser NOT to cache images

... I use PHP's file modified time function, for example: echo <img src='Images/image.png?" . filemtime('Images/image.png') . "' />"; If you change the image then the new image is used rather than the cached one, due to havi...
https://stackoverflow.com/ques... 

PHP validation/regex for URL

...references to some flags have been removed entirely. More info here: news.php.net/php.internals/99018 – S. Imp May 12 '17 at 21:53  |  show 1...
https://stackoverflow.com/ques... 

Formatting a number with leading zeros in PHP [duplicate]

... from the page linked above, here's a sample "zero-padded integers": <?php $isodate = sprintf("%04d-%02d-%02d", $year, $month, $day); ?> share | improve this answer | ...
https://stackoverflow.com/ques... 

PHP: Convert any string to UTF-8 without knowing the original character set, or at least try

... Please, take a look at mb_detect_encoding source code in your php distro (somewhere here: ext/mbstring/libmbfl/mbfl/mbfl_ident.c). This function does not work properly at all. For some encodings it even has "return true", lol. Others are in Ctrl+c Ctrl+v functions. That's because you ca...
https://stackoverflow.com/ques... 

NULL vs nullptr (Why was it replaced?) [duplicate]

... but we can always specify the type using typecast operator like f( (int) NULL ) or f((foo*) NULL ) as an alternative to resolve ambiguity... correct ? – Arjun Jun 16 '18 at 17:18 ...
https://stackoverflow.com/ques... 

PHP Timestamp into DateTime

...romFormat('U', $timeStamp); Where 'U' means Unix epoch. See docs: http://php.net/manual/en/datetime.createfromformat.php share | improve this answer | follow ...
https://stackoverflow.com/ques... 

Android add placeholder text to EditText

...er the field is selected (unlike how hint behaves), do this: In Java: // Cast Your EditText as a TextView ((TextView) findViewById(R.id.email)).setText("your Text") In Kotlin: // Cast your EditText into a TextView // Like this (findViewById(R.id.email) as TextView).text = "Your Text" // Or si...
https://stackoverflow.com/ques... 

File upload progress bar with jQuery

...responseText); } }); }); html: <form action="file-echo2.php" method="post" enctype="multipart/form-data"> <input type="file" name="myfile"><br> <input type="submit" value="Upload File to Server"> </form> <div class="progress"> <div ...
https://stackoverflow.com/ques... 

Is there an equivalent for var_dump (PHP) in Javascript?

...low.com/a/11315561/1403755 which is essentially a duplicate of print_r for php – TorranceScott Aug 14 '14 at 21:50 add a comment  |  ...