大约有 22,000 项符合查询结果(耗时:0.0263秒) [XML]

https://stackoverflow.com/ques... 

Casting a variable using a Type variable

... int x = (int)obj; DoSomethingWithInt(x); } else if (type == typeof(string)) { string s = (string)obj; DoSomethingWithString(s); } // ... share | improve this answer | ...
https://stackoverflow.com/ques... 

How can I delete all unversioned/ignored files/folders in my working copy?

...status --no-ignore | grep '^[I?]' | cut -c 9- | # setting IFS to the empty string ensures that any leading or # trailing whitespace is not trimmed from the filename while IFS= read -r f; do # tell the user which file is being deleted. use printf # instead of echo because different implement...
https://stackoverflow.com/ques... 

CodeIgniter removing index.php from url

...g on hosting server. In some hosting server (e.g.: Godaddy) need to use an extra ? in the last line of above code. The following line will be replaced with last line in applicable case: // Replace last .htaccess line with this line RewriteRule ^(.*)$ index.php?/$1 [L,QSA] ...
https://stackoverflow.com/ques... 

Select columns from result set of stored procedure

...UERY over OPENROWSET, given that OPENQUERY does not require the connection-string definition within the proc. Note 2: Having said all this: normally I would just use INSERT ... EXEC :) Yes, it's 10 mins extra typing, but if I can help it, I prefer not to jigger around with: (a) quotes within qu...
https://stackoverflow.com/ques... 

How to declare an array in Python?

... contains references to items. Also, underlying array is created with some extra space. Consequences of this are: random access is really cheap (arr[6653] is same to arr[0]) append operation is 'for free' while some extra space insert operation is expensive Check this awesome table of operation...
https://stackoverflow.com/ques... 

How to parse a CSV file using PHP [duplicate]

... I love this $data = str_getcsv($CsvString, "\n"); //parse the rows foreach ($data as &$row) { $row = str_getcsv($row, "; or , or whatever you want"); //parse the items in rows $this->debug($row); } in my case I...
https://stackoverflow.com/ques... 

How to generate a random string of a fixed length in Go?

I want a random string of characters only (uppercase or lowercase), no numbers, in Go. What is the fastest and simplest way to do this? ...
https://stackoverflow.com/ques... 

FFmpeg on Android

...essage()); } ShellDummy shell = new ShellDummy(); String mp3BitRate = "192"; try { ffmpeg.extractAudio(in, out, audio, mp3BitRate, shell); } catch (IOException e) { Log.e(DEBUG_TAG, "IOException running ffmpeg" + e.getMessage()); ...
https://stackoverflow.com/ques... 

How to code a BAT file to always run as admin mode?

... What I Exactly searching for ! no extra changes or extra file required! – MSS Jun 15 '19 at 5:12 1 ...
https://stackoverflow.com/ques... 

Why use multiple columns as primary keys (composite primary key)

...going to, in general, perform more poorly than a surrogate key'. Often an extra query is required to get the surrogate key of a relationship when you consider it. At which point it's a full extra round trip slower performance wise. – ttugates Apr 19 '19 at 20...