大约有 46,000 项符合查询结果(耗时:0.0469秒) [XML]

https://stackoverflow.com/ques... 

Named capturing groups in JavaScript regex?

...y valuable. For example, if you want to use a regex to parse a date from a string, you could write a flexible function that takes the value and the regex. As long as the regex has named captures for the year, month and date you could run through an array of regular expressions with minimal code. ...
https://stackoverflow.com/ques... 

remove legend title in ggplot

... This replaces the title with an empty string and therefore causes extra space between the label and the legend box, which would be visible only if the legend had a box or background of a color different from where it is positioned. So it's alright for a quick and...
https://stackoverflow.com/ques... 

Does reading an entire file leave the file handle open?

... Instead of retrieving the file content as a single string, it can be handy to store the content as a list of all lines the file comprises: with open('Path/to/file', 'r') as content_file: content_list = content_file.read().strip().split("\n") As can be seen, one needs t...
https://stackoverflow.com/ques... 

Specifying column name in a “references” migration

...eferences :col_name, references: other_table_name works without installing extra gems. – Qqwy Sep 9 '19 at 14:26 add a comment  |  ...
https://stackoverflow.com/ques... 

What are good grep tools for Windows? [closed]

...owerGREP.) Additional solutions Existing Windows commands FINDSTR Select-String in PowerShell Linux command implementations on Windows Cygwin Cash Grep tools with a graphical interface AstroGrep BareGrep GrepWin Additional Grep tools dnGrep ...
https://stackoverflow.com/ques... 

Best practice multi language website

...e our translated files instead of calling a translation function for every string in the file: // This function was written by Thomas Bley, not by me function translate($file) { $cache_file = 'cache/'.LANG.'_'.basename($file).'_'.filemtime($file).'.php'; // (re)build translation? if (!file_ex...
https://stackoverflow.com/ques... 

Or versus OrElse

... the right operand won't even be evaluated (this is useful in cases like: string a; //... if (a is null) or (a = "Hi") //... to avoid a NullReferenceException throw by the right-hand operand. I'm sincerely astonished that this (lazy evaluation) isn't the default behaviour of or and and as it is ...
https://stackoverflow.com/ques... 

Is there any difference between a GUID and a UUID?

... way as a UUID. For example, the RSS specification defines GUIDs to be any string of your choosing, as long as it's unique, with an "isPermalink" attribute to specify that the value you're using is just a permalink back to the item being syndicated. ...
https://stackoverflow.com/ques... 

Modifying location.hash without page scrolling

...d node was last seen so you need to help them a little. You need to add an extra div to the top of the viewport, set its ID to the hash, and then roll everything back: hash = hash.replace( /^#/, '' ); var fx, node = $( '#' + hash ); if ( node.length ) { node.attr( 'id', '' ); fx = $( '<div&g...
https://stackoverflow.com/ques... 

Unknown Column In Where Clause

... I believe you have an extra ( in your query before the (COUNT(*) which isn't closed anywhere. – tftd Nov 27 '12 at 16:09 3 ...