大约有 42,000 项符合查询结果(耗时:0.0733秒) [XML]

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What would a “frozen dict” be?

...self._d[key] def __hash__(self): # It would have been simpler and maybe more obvious to # use hash(tuple(sorted(self._d.iteritems()))) from this discussion # so far, but this solution is O(n). I don't know what kind of # n we are going to run into, but sometime...
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What are the use cases of Graph-based Databases (http://neo4j.org/)? [closed]

I have used Relational DB's a lot and decided to venture out on other types available. 7 Answers ...
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What is a ViewModelLocator and what are its pros/cons compared to DataTemplates?

...meone give me a quick summary of what a ViewModelLocator is, how it works, and what the pros/cons are for using it compared to DataTemplates? ...
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Algorithm for classifying words for hangman difficulty levels as “Easy”,“Medium”, or “Hard”

...angman strategy There's an idea that's implicit in some the other answers and comments, that the optimal strategy for the solver would be to base their decisions on the frequency of letters in English, or on the frequency of words in some corpus. This is a seductive idea, but it's not quite right. ...
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Catching error codes in a shell pipe

... If you really don't want the second command to proceed until the first is known to be successful, then you probably need to use temporary files. The simple version of that is: tmp=${TMPDIR:-/tmp}/mine.$$ if ./a > $tmp.1 then if ./b <$tmp.1 >$tmp.2 ...
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Reading output of a command into an array in Bash

I need to read the output of a command in my script into an array. The command is, for example: 3 Answers ...
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What is more efficient? Using pow to square or just multiply it with itself?

What of these two methods is in C more efficient? And how about: 7 Answers 7 ...
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What's the difference between faking, mocking, and stubbing?

...t I'm wondering if there are accepted definitions for faking , mocking , and stubbing for unit tests? How do you define these for your tests? Describe situations where you might use each. ...
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Can I have an IF block in DOS batch file?

.... You will unfortunately need to create nested blocks of if statements to handle that. Secondly, that %GPMANAGER_FOUND% == true test looks mighty suspicious to me. I don't know what the environment variable is set to or how you're setting it, but I very much doubt that the code you've shown will p...
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What is the difference between JSON and Object Literal Notation?

...nce between a JavaScript object defined by using Object Literal Notation and JSON object ? 10 Answers ...