大约有 42,000 项符合查询结果(耗时:0.0644秒) [XML]
Accessing Object Memory Address
...
This is an integer (or long integer)
which is guaranteed to be unique and
constant for this object during its
lifetime. Two objects with
non-overlapping lifetimes may have the
same id() value. (Implementation note:
this is the address of the object.)
So in CPython, this will be the ...
Delete text in between HTML tags in vim?
...text between matching XML tags. (it is for "inner tag block".)
See :h it and :h tag-blocks.
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Is it worth using Python's re.compile?
...ience running a compiled regex 1000s of times versus compiling on-the-fly, and have not noticed any perceivable difference. Obviously, this is anecdotal, and certainly not a great argument against compiling, but I've found the difference to be negligible.
EDIT:
After a quick glance at the actual P...
Simulate limited bandwidth from within Chrome?
... answered Apr 26 '12 at 8:17
Andy DaviesAndy Davies
5,65722 gold badges2323 silver badges2121 bronze badges
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How to increment datetime by custom months in python without using library [duplicate]
...time.date(2010, 11, 30)
Also, if you're not worried about hours, minutes and seconds you could use date rather than datetime. If you are worried about hours, minutes and seconds you need to modify my code to use datetime and copy hours, minutes and seconds from the source to the result.
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The entity type is not part of the model for the current context
...an assemblies in your OnModelCreating to find entities in other assemblies and register them automatically (which is what Tripod does).
– danludwig
Dec 19 '13 at 19:34
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Determine the number of lines within a text file
...m all into an array like ReadAllLines. So now you can have both efficiency and conciseness with:
var lineCount = File.ReadLines(@"C:\file.txt").Count();
Original Answer
If you're not too bothered about efficiency, you can simply write:
var lineCount = File.ReadAllLines(@"C:\file.txt").Length;...
How do I have an enum bound combobox with custom string formatting for enum values?
...much hassle.
Look into the TypeConverter's ConvertFrom/ConvertTo methods, and use reflection to read attributes on your enum fields.
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Functions that return a function
...onfused by the d()(); at first but then realized that the first () calls d and the second () calls d's return value, which is e.
– skud
Mar 13 '14 at 18:47
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When should I use UNSIGNED and SIGNED INT in MySQL?
When should I use UNSIGNED and SIGNED INT in MySQL ?
What is better to use or this is just personal prefernce ?
Because I've seen it used like this;
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