大约有 40,000 项符合查询结果(耗时:0.0514秒) [XML]

https://stackoverflow.com/ques... 

how to mysqldump remote db from local machine

... a database on a remote server, but the server does not have mysqldump installed. I would like to use the mysqldump on my machine to connect to the remote database and do the dump on my machine. ...
https://stackoverflow.com/ques... 

What's the canonical way to check for type in Python?

...ation. One more note: in this case, if you're using Python 2, you may actually want to use: if isinstance(o, basestring): because this will also catch Unicode strings (unicode is not a subclass of str; both str and unicode are subclasses of basestring). Note that basestring no longer exists in P...
https://stackoverflow.com/ques... 

What is the fastest integer division supporting division by zero no matter what the result is?

...x, int y) { y += y == 0; return x/y; } The compiler basically recognizes that it can use a condition flag of the test in the addition. As per request the assembly: .globl f .type f, @function f: pushl %ebp xorl %eax, %eax movl %esp, %ebp movl 12(%...
https://stackoverflow.com/ques... 

Are there any disadvantages to always using nvarchar(MAX)?

In SQL Server 2005, are there any disadvantages to making all character fields nvarchar(MAX) rather than specifying a length explicitly, e.g. nvarchar(255)? (Apart from the obvious one that you aren't able to limit the field length at the database level) ...
https://stackoverflow.com/ques... 

Using “super” in C++

... the first time C++ was standardized. Dag Bruck proposed this extension, calling the base class "inherited." The proposal mentioned the multiple inheritance issue, and would have flagged ambiguous uses. Even Stroustrup was convinced. After discussion, Dag Bruck (yes, the same person making the p...
https://stackoverflow.com/ques... 

Node.js get file extension

... Try 'filename.css.gz'.split('.').slice(1).join('.') to get all extensions – Trevor Jul 31 '17 at 21:53 11 ...
https://stackoverflow.com/ques... 

Is there any performance reason to declare method parameters final in Java?

...wever, i have no clue if this is done in practice, but it could be done in order to save some memory. share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

`from … import` vs `import .` [duplicate]

... I just tried import urllib.request and it doesn't work at all (python 2.6.5 Ubuntu). – tkone Feb 24 '12 at 23:33 6 ...
https://stackoverflow.com/ques... 

What is the proper way to re-throw an exception in C#? [duplicate]

... ends on that statement and not at the real source of the exception. Basically, it should be deemed a criminal offense to use "throw ex". share | improve this answer | follo...
https://stackoverflow.com/ques... 

What's the purpose of SQL keyword “AS”?

...ProductRetailPrice, O.Quantity FROM Products AS P LEFT OUTER JOIN Orders AS O ON O.ProductID = P.ProductID WHERE O.OrderID = 123456 Example 3 It's a good practice to use the AS keyword, and very recommended, but it is possible to perform the same query without one (and I do often). SELE...