大约有 40,000 项符合查询结果(耗时:0.0718秒) [XML]

https://stackoverflow.com/ques... 

How to print SQL statement in codeigniter model

... when i do print_r($query); nothing prints out at all – Technupe May 26 '11 at 16:50 1 ...
https://stackoverflow.com/ques... 

How to format time since xxx e.g. “4 minutes ago” similar to Stack Exchange sites

...like "1 minutes". I posted a modified version of this answer that conditionally adds the "s": stackoverflow.com/a/23259289/373655 – rob Apr 24 '14 at 3:32 1 ...
https://stackoverflow.com/ques... 

Need to understand the usage of SemaphoreSlim

...at there won't be more than 10 workers doing this work at the same time. Calling WaitAsync on the semaphore produces a task that will be completed when that thread has been given "access" to that token. await-ing that task lets the program continue execution when it is "allowed" to do so. Having ...
https://stackoverflow.com/ques... 

Why the switch statement cannot be applied on strings?

... The reason why has to do with the type system. C/C++ doesn't really support strings as a type. It does support the idea of a constant char array but it doesn't really fully understand the notion of a string. In order to generate the code for a switch statement the compiler must under...
https://stackoverflow.com/ques... 

SQL variable to hold list of integers

...an error saying the subquery returned more than one result and that is not allowed. Is there anyway to create a variable that will store an array if IDs from a subquery? – Rafael Moreira Jan 28 '16 at 15:24 ...
https://stackoverflow.com/ques... 

Extract file name from path, no matter what the os/path format

... Using os.path.split or os.path.basename as others suggest won't work in all cases: if you're running the script on Linux and attempt to process a classic windows-style path, it will fail. Windows paths can use either backslash or forward slash as path separator. Therefore, the ntpath module (whi...
https://stackoverflow.com/ques... 

How to use multiple arguments for awk with a shebang (i.e. #!)?

...k treated that as a command and printed out every line of input unconditionally. That is why I put in the arbitrary_long_name==0 - it's supposed to fail all the time. You could replace it with some gibberish string. Basically, I was looking for a false-condition in awk that would not adversely affec...
https://stackoverflow.com/ques... 

What is “lifting” in Haskell?

...ill now refute me by showing how lifts are a category or something). Typically you have some data type with a parameter. Something like data Foo a = Foo { ...stuff here ...} Suppose you find that a lot of uses of Foo take numeric types (Int, Double etc) and you keep having to write code that un...
https://stackoverflow.com/ques... 

How to load assemblies in PowerShell?

... While it is technically correct that LoadWithPartialNamehas been deprecated, the reasons (as outlined in blogs.msdn.com/b/suzcook/archive/2003/05/30/57159.aspx) clearly don't apply for an interactive Powershell session. I suggest you add a note...
https://stackoverflow.com/ques... 

Serializing PHP object to JSON

...ata->getJsonData());. In essence, implement the function from 5.4, but call it by hand. Something like this would work, as get_object_vars() is called from inside the class, having access to private/protected variables: function getJsonData(){ $var = get_object_vars($this); foreach ($va...