大约有 15,000 项符合查询结果(耗时:0.0298秒) [XML]

https://stackoverflow.com/ques... 

PHP global in functions

...n fn() { global $foo; // never ever use that $a = SOME_CONSTANT // do not use that $b = Foo::SOME_CONSTANT; // do not use that unless self:: $c = $GLOBALS['foo']; // incl. any other superglobal ($_GET, …) $d = Foo::bar(); // any static call, in...
https://stackoverflow.com/ques... 

Android View.getDrawingCache returns null, only null

...thout using the getdrawingchache() method? – Gorgeous_DroidVirus Mar 19 '14 at 12:30 It works well. But it affects in ...
https://stackoverflow.com/ques... 

Get controller and action name from within controller?

... edited Apr 30 '14 at 17:02 L_7337 2,3442525 silver badges4242 bronze badges answered Aug 15 '13 at 8:06 An...
https://stackoverflow.com/ques... 

How to programmatically set drawableLeft on Android button?

...he button: val drawable = ContextCompat.getDrawable(context, R.drawable.ic_favorite_white_16dp) button.setCompoundDrawablesWithIntrinsicBounds(drawable, null, null, null) . • Important Point in Using Android Vector Drawable When you are using an android vector drawable and want to have backwa...
https://stackoverflow.com/ques... 

Can I target all tags with a single selector?

... ¯_(ツ)_/¯ "can" != "should". Even so, the Sass/LESS options give you extensibility that vanilla CSS does not. Think of something like font-size: (48px / @index). – Steve Jul 21 '16 at...
https://stackoverflow.com/ques... 

MySQL: determine which database is selected?

After calling mysql_select_db to grab a database, is there any way to later output the name of the database that is currently selected? This seems very basic but I couldn't find anything on php.net or stackoverflow (all results are for "no database selected"). ...
https://stackoverflow.com/ques... 

Adding minutes to date time in PHP

... $minutes_to_add = 5; $time = new DateTime('2011-11-17 05:05'); $time->add(new DateInterval('PT' . $minutes_to_add . 'M')); $stamp = $time->format('Y-m-d H:i'); The ISO 8601 standard for duration is a string in the form of P...
https://stackoverflow.com/ques... 

How to reset sequence in postgres and fill id column with new data?

...ich explains the ALTER SEQUENCE command ... so I changed 'seq' by mytable_id_seq where 'mytable' is my table name and 'id' is the name of my serial column – Javi May 4 at 9:19 ...
https://stackoverflow.com/ques... 

Where does PostgreSQL store the database?

... To see where the data directory is, use this query. show data_directory; To see all the run-time parameters, use show all; You can create tablespaces to store database objects in other parts of the filesystem. To see tablespaces, which might not be in that data directory, use this...
https://stackoverflow.com/ques... 

Trim spaces from end of a NSString

...opy]; //pass it by reference to CFStringTrimSpace CFStringTrimWhiteSpace((__bridge CFMutableStringRef) stringToTrim); //stringToTrim is now "i needz trim" share | improve this answer | ...