大约有 667 项符合查询结果（耗时：0.0135秒） [XML]
How to get the nth element of a python list or a default if not available
... it does work on all versions of Python. The Accepted answer only works on 2.5+
– John La Rooy
Mar 22 '10 at 20:45
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Remove trailing zeros
...I need. My users will typically enter whole numbers, maybe something like 2.5, but I need to support 3 digits beyond the decimal point. So I want to give them what they entered, not with a bunch of zeroes they didn't enter. e.g., Console.Write ($"num3={num3:0.##}"); => num3=30
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read subprocess stdout line by line
... of this) the proposed change did produce different results for me (Python 2.5 on Windows XP).
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How to print an exception in Python?
....6 and later and Python 3.x:
except Exception as e: print(e)
For Python 2.5 and earlier, use:
except Exception,e: print str(e)
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How could the UNIX sort command sort a very large file?
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trying this out on a 2.5GB file, on a box with 64GB of RAM with -S 80%, it is actually using that full percentage, even though the entire file is smaller than that. why is that? even if it doesn't use an in-place sort that seems gratuitous
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Spring: @Component versus @Bean
I understand that @Component annotation was introduced in spring 2.5 in order to get rid of xml bean definition by using classpath scanning.
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How to retrieve all keys (or values) from a std::map and put them into a vector?
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That's a pity. Boost 1.42 was released in Feb 2010, over 2.5 years before Squeeze.
– Alastair
Nov 30 '12 at 20:40
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Is there an easy way to pickle a python function (or otherwise serialize its code)?
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In Python 2.5, the "new" module is deprecated. 'new.function' should be replaced by 'types.FunctionType', after an "import types", I believe.
– Eric O Lebigot
Aug 10 '09 at 10:31
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Spring MVC - How to get all request params in a map in Spring controller?
...aDoc page, but prior, it is only mentioned in the RequestMapping page. In 2.5 documentation there is no mention of this mechanism.
This is likely the preferred approach for most developers as it removes (at least this) binding to the HttpServletRequest object defined by the servlet-api jar.
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Why don't Java's +=, -=, *=, /= compound assignment operators require casting?
...10;
b *= 5.7;
System.out.println(b); // prints 57
or
byte b = 100;
b /= 2.5;
System.out.println(b); // prints 40
or
char ch = '0';
ch *= 1.1;
System.out.println(ch); // prints '4'
or
char ch = 'A';
ch *= 1.5;
System.out.println(ch); // prints 'a'
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