大约有 15,630 项符合查询结果(耗时:0.0255秒) [XML]

https://stackoverflow.com/ques... 

How to convert ‘false’ to 0 and ‘true’ to 1 in Python

...n 0, and the other half 1. The variant using encode will raise an encoding error if the input is not ASCII (thus increasing the undefined-ness of the behaviour). Seriously, I believe the most readable, and faster, solution is to use an if: def to_bool(s): return 1 if s == 'true' else 0 See...
https://stackoverflow.com/ques... 

Why does volatile exist?

...expects. Just like the "most vexing parse" is not the sign of the compiler error, neither is the case here. – iheanyi Jul 17 '18 at 23:54  |  ...
https://stackoverflow.com/ques... 

Open terminal here in Mac OS finder [closed]

...mand "cd \"" & frontWinPath & "\"" end tell on error error_message beep display dialog error_message buttons ¬ {"OK"} default button 1 end try end tell end main Similar scripts can also get you the complete path to ...
https://stackoverflow.com/ques... 

Defining private module functions in python

...ent call last): File "<stdin>", line 1, in <module> AttributeError: 'Foo' object has no attribute '__bar' >>> myFoo.PrintBar() # the class itself of course can access it 99 >>> dir(Foo) # yet can see it ['PrintBar', '_Foo__bar', '__class__', '__delattr__', '__dict...
https://stackoverflow.com/ques... 

NSLog the method name with Objective-C in iPhone

... tl;dr NSLog( @"ERROR %@ METHOD %s:%d ", @"DescriptionGoesHere", __func__, __LINE__ ); Details Apple has a Technical Q&A page: QA1669 - How can I add context information - such as the current method or line number - to my logging stat...
https://stackoverflow.com/ques... 

Entity Framework: There is already an open DataReader associated with this Command

I am using Entity Framework and occasionally i will get this error. 17 Answers 17 ...
https://stackoverflow.com/ques... 

Transactions in REST?

...olledback" state after it's already in "committed" state, you would get an error, and the actual committed transaction back. As long as you talk to a single database, or a database with an integrated transaction monitor, this mechanism will actually work just fine. You might additionally introduce ...
https://stackoverflow.com/ques... 

How to pull a random record using Django's ORM?

...the count changes in between, it might be possible to get an out of bounds error. – Nelo Mitranim Sep 12 '15 at 9:37 2 ...
https://stackoverflow.com/ques... 

PHP namespaces and “use”

...ith $circle = new Circle(); It includes the Circle.php but I am getting an error: Fatal error: Class 'Shape' not found in .../Circle.php on line 6. It appears to load Circle.php but not load Shape.php Circle is defined as: class Circle extends Shape implements ShapeInterface – ...
https://stackoverflow.com/ques... 

@selector() in Swift?

...mething cool here } otherwise you will get a "Unrecognised Selector" error at runtime. share | improve this answer | follow | ...