大约有 47,000 项符合查询结果（耗时：0.0640秒） [XML]
How to read a file in reverse order?
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answered Feb 20 '10 at 10:10
Matt JoinerMatt Joiner
94.2k8585 gold badges321321 silver badges483483 bronze badges
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Set scroll position
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You can use window.scrollTo(), like this:
window.scrollTo(0, 0); // values are x,y-offset
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Why not use Double or Float to represent currency?
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1028
Because floats and doubles cannot accurately represent the base 10 multiples that we use for m...
Handling Touch Event in UILabel and hooking it up to an IBAction
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Scott PersingerScott Persinger
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“Comparison method violates its general contract!”
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edited May 30 '14 at 6:34
rkg
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answered Nov 30 '11 at...
python dataframe pandas drop column using int
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edited Feb 16 '16 at 10:48
frederikf
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answered Nov 30 '13 at 15:06
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What's a redirect URI? how does it apply to iOS app for OAuth2.0?
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Read this:
http://www.quora.com/OAuth-2-0/How-does-OAuth-2-0-work
or an even simpler but quick explanation:
http://agileanswer.blogspot.se/2012/08/oauth-20-for-my-ninth-grader.html
The redirect URI is the callback entry point of the app. Think about how OAuth fo...
Random row selection in Pandas dataframe
...me(x, n):
return x.ix[random.sample(x.index, n)]
Note: As of Pandas v0.20.0, ix has been deprecated in favour of loc for label based indexing.
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Wait for a process to finish
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+50
To wait for any process to finish
Linux:
tail --pid=$pid -f /dev/null
Darwin (requires that $pid has open files):
lsof -p $pid +r...
Python - Create a list with initial capacity
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def 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(siz...