大约有 13,065 项符合查询结果(耗时:0.0269秒) [XML]

https://stackoverflow.com/ques... 

How to load/edit/run/save text files (.py) into an IPython notebook cell?

I've recently moved over to using IPython notebooks as part of my workflow. However, I've not been successful in finding a way to import .py files into the individual cells of an open IPython notebook so that they can edited, run and then saved. Can this be done? ...
https://stackoverflow.com/ques... 

How to pass the values from one activity to previous activity

How do I pass a value from one screen to its previous screen? 6 Answers 6 ...
https://stackoverflow.com/ques... 

while (1) vs. while(True) — Why is there a difference (in python 2 bytecode)?

Intrigued by this question about infinite loops in perl: while (1) Vs. for (;;) Is there a speed difference? , I decided to run a similar comparison in python. I expected that the compiler would generate the same byte code for while(True): pass and while(1): pass , but this is actually not the c...
https://stackoverflow.com/ques... 

How to make Git pull use rebase by default for all my repositories?

Is there a way to setup the host Git repository such that any git pull done from its (local) clones uses --rebase by default? By searching on Stack Overflow, I learned about branch.autosetuprebase , but it needs to be configured per clone individually. ...
https://stackoverflow.com/ques... 

Why is using the rails default_scope often recommend against?

Everywhere on the internet people mention that using the rails default_scope is a bad idea, and the top hits for default_scope on stackoverflow are about how to overwrite it. This feels messed up, and merits an explicit question (I think). ...
https://stackoverflow.com/ques... 

Curly braces in string in PHP

What is the meaning of { } (curly braces) in string literals in PHP? 5 Answers 5 ...
https://stackoverflow.com/ques... 

Are non-synchronised static methods thread safe if they don't modify static class variables?

I was wondering if you have a static method that is not synchronised, but does not modify any static variables is it thread-safe? What about if the method creates local variables inside it? For example, is the following code thread-safe? ...
https://stackoverflow.com/ques... 

How do I parse JSON with Objective-C?

... With the perspective of the OS X v10.7 and iOS 5 launches, probably the first thing to recommend now is NSJSONSerialization, Apple's supplied JSON parser. Use third-party options only as a fallback if you find that class unavailable at runtime. So, for example: NSData *retu...
https://stackoverflow.com/ques... 

Assert an object is a specific type

Is it possible in JUnit to assert an object is an instance of a class? For various reasons I have an object in my test that I want to check the type of. Is it a type of Object1 or a type of Object2? ...
https://stackoverflow.com/ques... 

What's the difference between disabled=“disabled” and readonly=“readonly” for HTML form input fields

I have read a bit on this, but I can't seem to find anything solid about how different browsers treat things. 5 Answers ...