大约有 16,317 项符合查询结果（耗时：0.0360秒） [XML]
Is JavaScript guaranteed to be single-threaded?
JavaScript is known to be single-threaded in all modern browser implementations, but is that specified in any standard or is it just by tradition? Is it totally safe to assume that JavaScript is always single-threaded?
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Python - Create a list with initial capacity
... doAppend( size=10000 ):
result = []
for i in range(size):
message= "some unique object %d" % ( i, )
result.append(message)
return result
def doAllocate( size=10000 ):
result=size*[None]
for i in range(size):
message= "some unique object %d" % ( i, )
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How can I export tables to Excel from a webpage [closed]
How can I export tables to Excel from a webpage. I want the export to contain all the formatting and colours.
14 Answers
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Which characters make a URL invalid?
Which characters make a URL invalid?
10 Answers
10
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JSON and XML comparison [closed]
I want to know which is faster: XML and JSON?
When to use which one ?
6 Answers
6
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How fast is D compared to C++?
I like some features of D, but would be interested if they come with a
runtime penalty?
8 Answers
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When to choose checked and unchecked exceptions
...sed. The Java core API fails to follow these rules for SQLException (and sometimes for IOException) which is why they are so terrible.
Checked Exceptions should be used for predictable, but unpreventable errors that are reasonable to recover from.
Unchecked Exceptions should be used for everything...
How do BitTorrent magnet links work?
For the first time I used a magnet link . Curious about how it works, I looked up the specs and didn't find any answers. The wiki says xt means "exact topic" and is followed by the format ( btih in this case) with a SHA1 hash. I saw base32 mentioned, knowing it's 5 bits per character and 32 char...
Private vs Protected - Visibility Good-Practice Concern [closed]
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No, you're not on the right track. A good rule of thumb is: make everything as private as possible. This makes your class more encapsulated, and allows for changing the internals of the class without affecting the code using your class.
If you design your class to be inherita...
Explain the use of a bit vector for determining if all characters are unique
I am confused about how a bit vector would work to do this (not too familiar with bit vectors). Here is the code given. Could someone please walk me through this?
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