大约有 40,000 项符合查询结果(耗时:0.0567秒) [XML]

https://stackoverflow.com/ques... 

How do I provide custom cast support for my class?

...ou want users to have to cast it or whether you want it to happen automagically. Generally, one direction will always work, that's where you use implicit, and the other direction can sometimes fail, that's where you use explicit. The syntax is like this: public static implicit operator dbInt64(Byt...
https://stackoverflow.com/ques... 

Greenlet Vs. Threads

... Greenlets provide concurrency but not parallelism. Concurrency is when code can run independently of other code. Parallelism is the execution of concurrent code simultaneously. Parallelism is particularly useful when there's a lot of work to be done in userspace, an...
https://stackoverflow.com/ques... 

How to check whether a variable is a class or not?

... The inspect.isclass is probably the best solution, and it's really easy to see how it's actually implemented def isclass(object): """Return true if the object is a class. Class objects provide these attributes: __doc__ documentation string __module__ ...
https://stackoverflow.com/ques... 

Submitting a multidimensional array via POST with php

...u would read the previous input name after cloning, and increment by 1 manually for each input name attribute in the clone. – Daniel Nov 18 '18 at 0:04 add a comment ...
https://stackoverflow.com/ques... 

Accessing a Shared File (UNC) From a Remote, Non-Trusted Domain With Credentials

... The way to solve your problem is to use a Win32 API called WNetUseConnection. Use this function to connect to a UNC path with authentication, NOT to map a drive. This will allow you to connect to a remote machine, even if it is not on the same domain, and even if it has a diff...
https://stackoverflow.com/ques... 

Get the current first responder without using a private API

...that my app cannot be accepted because I'm using a non-public API; specifically, it says, 28 Answers ...
https://stackoverflow.com/ques... 

_DEBUG vs NDEBUG

... +1. NDEBUG in particular is allowed to be #undef'd and #define'd within a single TU (and reincluding <assert.h> changes the assert macro accordingly). Because this is different than expected/desired, it's common to use another macro to control a ...
https://stackoverflow.com/ques... 

List of special characters for SQL LIKE clause

What is the complete list of all special characters for a SQL (I'm interested in SQL Server but other's would be good too) LIKE clause? ...
https://stackoverflow.com/ques... 

Cast Int to enum in Java

... 0 or 1, i.e. a valid ordinal for that enum. Note that in Java enums actually are classes (and enum values thus are objects) and thus you can't cast an int or even Integer to an enum. share | impr...
https://stackoverflow.com/ques... 

How to remove constraints from my MySQL table?

... Postgres, MSSQL, and Oracle all have alter table .. drop constraint. MySQL is the odd one out, it seems. – Jared Beck Mar 23 '15 at 23:48 ...