大约有 45,000 项符合查询结果(耗时:0.0600秒) [XML]

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UnicodeDecodeError: 'ascii' codec can't decode byte 0xd1 in position 2: ordinal not in range(128)

I am attempting to work with a very large dataset that has some non-standard characters in it. I need to use unicode, as per the job specs, but I am baffled. (And quite possibly doing it all wrong.) ...
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reformat in vim for a nice column layout

... If you're on some kind of UNIX (Linux, etc), you can cheat and filter it through the column(1) command. :%!column -t The above will parse on delimiters inside string literals which is wrong, so you will likely need pre-processing steps and specifying the delimiter for this file for example: ...
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Is there any difference between GROUP BY and DISTINCT

... MusiGenesis' response is functionally the correct one with regard to your question as stated; the SQL Server is smart enough to realize that if you are using "Group By" and not using any aggregate functions, then what you actually mean is "Distinct" - and therefore it generates a...
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Convert python datetime to epoch with strftime

... you want to convert a python datetime to seconds since epoch you could do it explicitly: >>> (datetime.datetime(2012,04,01,0,0) - datetime.datetime(1970,1,1)).total_seconds() 1333238400.0 In Python 3.3+ you can use timestamp() instead: >>> datetime.datetime(2012,4,1,0,0).times...
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Is it unnecessary to put super() in constructor?

Isn't this one automatically put by the compiler if I don't put it in a subclass's constructor? 6 Answers ...
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Looking to understand the iOS UIViewController lifecycle

...e appropriate times by iOS when you load/present/hide the view controller. It's important to note that these methods are attached to UIViewController and not to UIViews themselves. You won't get any of these features just using a UIView. There's great documentation on Apple's site here. Putting in ...
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OAuth 2.0: Benefits and use cases — why?

Could anyone explain what's good about OAuth2 and why we should implement it? I ask because I'm a bit confused about it — here's my current thoughts: ...
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Read String line by line

Given a string that isn't too long, what is the best way to read it line by line? 11 Answers ...
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Cache busting via params

...doing so. My thought was to apply a param to the end of css and js files with the current version number: 12 Answers ...
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Difference between object and class in Scala

...object O creates a singleton object O as instance of some anonymous class; it can be used to hold static members that are not associated with instances of some class. object O extends T makes the object O an instance of trait T; you can then pass O anywhere, a T is expected. if there is a class C, t...