大约有 15,210 项符合查询结果（耗时：0.0360秒） [XML]
How do I create a dictionary with keys from a list and values defaulting to (say) zero? [duplicate]
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Didn't read the warning that if 0 is mutable (e.g. list or dict), you get into trouble, because it all refers to the same memory location. For this reason, the accepted answer is safer.
– NumesSanguis
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Generating UML from C++ code? [closed]
...m which you can view in a web browser or import into any software that can read Graphviz "dot" files.
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Difference between & and && in Java? [duplicate]
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read more on the bitwise @ en.wikipedia.org/wiki/Bitwise_operation
– Book Of Zeus
Aug 26 '11 at 3:20
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Java string to date conversion
... YYYY-'W'ww-u
An important note is that SimpleDateFormat is not thread safe. In other words, you should never declare and assign it as a static or instance variable and then reuse it from different methods/threads. You should always create it brand new within the method local scope.
Java 8...
What does “coalgebra” mean in the context of programming?
...find or come up with a good example or two :P.
Classes and Objects
After reading around a bit, I think I have a good idea of how to use coalgebras to represent classes and objects. We have a type C that contains all the possible internal states of objects in the class; the class itself is a coalge...
Suppress or Customize Intro Message in Fish Shell
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Read the official document please.
http://fishshell.com/docs/current/faq.html#faq-greeting
short answer: set -e fish_greeting
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Mutex example / tutorial? [closed]
I'm new to multithreading, and was trying to understand how mutexes work. Did a lot of Googling but it still left some doubts of how it works because I created my own program in which locking didn't work.
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MySQL Like multiple values
...ts REGEXP 'sports|pub'
Found this solution here: http://forums.mysql.com/read.php?10,392332,392950#msg-392950
More about REGEXP here: http://www.tutorialspoint.com/mysql/mysql-regexps.htm
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How to change the Content of a with Javascript
...Figuring out what browser the user is using is left as an exercise for the reader. Unless you use jQuery, of course ;)
Edit: I take that back. Looks like support for .innerHTML on textarea's has improved. I tested in Chrome, Firefox and Internet Explorer, all of them cleared the textarea correctly....
What is the purpose of the -m switch?
...hich are part of a package, etc. That's what the rest of PEP 338 is about. Read it for more info.
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