大约有 48,000 项符合查询结果（耗时：0.0410秒） [XML]
Understanding “randomness”
I can't get my head around this, which is more random?
28 Answers
28
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The Difference Between Deprecated, Depreciated and Obsolete [closed]
There is a lot of confusion about this and I'd like to know, what exactly is the difference between depreciated , deprecated and obsolete , in a programming context, but also in general.
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How do I get the row count of a pandas DataFrame?
I'm trying to get the number of rows of dataframe df with Pandas, and here is my code.
14 Answers
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WARN Could not determine content-length of response body. Set content-length of the response or set
I just upgraded to rails 3.2.2, and now on rails s, page load, I get all these errors in the log:
3 Answers
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When to use NSInteger vs. int
...nteger/NSUInteger are defined as *dynamic typedef*s to one of these types, and they are defined like this:
#if __LP64__ || TARGET_OS_EMBEDDED || TARGET_OS_IPHONE || TARGET_OS_WIN32 || NS_BUILD_32_LIKE_64
typedef long NSInteger;
typedef unsigned long NSUInteger;
#else
typedef int NSInteger;
typedef ...
Better to 'try' something and catch the exception or test if it's possible first to avoid an excepti
Should I test if something is valid or just try to do it and catch the exception?
8 Answers
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BigDecimal - to use new or valueOf
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Those are two separate questions: "What should I use for BigDecimal?" and "What do I do in general?"
For BigDecimal: this is a bit tricky, because they don't do the same thing. BigDecimal.valueOf(double) will use the canonical String representation of the double value passed in to instantiate ...
What is the difference between return and return()?
I tested the above code in Chrome's console, and both returned 1 .
9 Answers
9
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Should I put #! (shebang) in Python scripts, and what form should it take?
...line in any script determines the script's ability to be executed like a standalone executable without typing python beforehand in the terminal or when double clicking it in a file manager (when configured properly). It isn't necessary but generally put there so when someone sees the file opened in ...
Logging best practices [closed]
I'd like to get stories on how people are handling tracing and logging in real applications. Here are some questions that might help to explain your answer.
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