大约有 45,000 项符合查询结果(耗时:0.0534秒) [XML]

https://stackoverflow.com/ques... 

Disable a group of tests in rspec?

I have a test spec which describes a class and within that has various contexts each with various it blocks. 7 Answer...
https://stackoverflow.com/ques... 

mkdir -p functionality in Python [duplicate]

Is there a way to get functionality similar to mkdir -p on the shell from within Python. I am looking for a solution other than a system call. I am sure the code is less than 20 lines, and I am wondering if someone has already written it? ...
https://stackoverflow.com/ques... 

What's the meaning of interface{}?

I'm new to interfaces and trying to do SOAP request by github 6 Answers 6 ...
https://stackoverflow.com/ques... 

How can I add to List

...y value from a family of types (rather than any value of a specific type). It means that any of these are legal assignments: List<? extends Number> foo3 = new ArrayList<Number>; // Number "extends" Number List<? extends Number> foo3 = new ArrayList<Integer>; // Integer exte...
https://stackoverflow.com/ques... 

Does C++ support 'finally' blocks? (And what's this 'RAII' I keep hearing about?)

...ly' blocks. The reason is that C++ instead supports RAII: "Resource Acquisition Is Initialization" -- a poor name† for a really useful concept. The idea is that an object's destructor is responsible for freeing resources. When the object has automatic storage duration, the object's destructor...
https://stackoverflow.com/ques... 

Change a Django form field to a hidden field

I have a Django form with a RegexField , which is very similar to a normal text input field. 7 Answers ...
https://stackoverflow.com/ques... 

Generating a unique machine id

I need to write a function that generates an id that is unique for a given machine running a Windows OS. 15 Answers ...
https://stackoverflow.com/ques... 

How can I output a UTF-8 CSV in PHP that Excel will read properly?

...got this very simple thing that just outputs some stuff in CSV format, but it's got to be UTF-8. I open this file in TextEdit or TextMate or Dreamweaver and it displays UTF-8 characters properly, but if I open it in Excel it's doing this silly íÄ kind of thing instead. Here's what I've got at the ...
https://stackoverflow.com/ques... 

How does the “this” keyword work?

...n't appear to be a clear explanation of what the this keyword is and how it is correctly (and incorrectly) used in JavaScript on the Stack Overflow site. ...
https://stackoverflow.com/ques... 

What is the formal difference in Scala between braces and parentheses, and when should they be used?

... I tried once to write about this, but I gave up in the end, as the rules are somewhat diffuse. Basically, you’ll have to get the hang of it. Perhaps it is best to concentrate on where curly braces and parenthesis can be used interchangeably:...