大约有 8,200 项符合查询结果(耗时:0.0251秒) [XML]

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What is the difference between C, C99, ANSI C and GNU C?

I have started programming practice on codechef and have been confused by the difference between C and C99. What does C mean here? Is it C89? Check the languages at the bottom of this submit . It contains both C and C99. ...
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Python: How to get stdout after running os.system? [duplicate]

... If all you need is the stdout output, then take a look at subprocess.check_output(): import subprocess batcmd="dir" result = subprocess.check_output(batcmd, shell=True) Because you were using os.system(), you'd have to set shell=True to get the same beha...
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How can I export the schema of a database in PostgreSQL?

My computer broke down but fortunately I backed up the folder C:\Program Files\PostgreSQL. 8 Answers ...
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How do I kill background processes / jobs when my shell script exits?

I am looking for a way to clean up the mess when my top-level script exits. 13 Answers ...
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Is it worth using Python's re.compile?

Is there any benefit in using compile for regular expressions in Python? 26 Answers 26...
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Should I use #define, enum or const?

In a C++ project I'm working on, I have a flag kind of value which can have four values. Those four flags can be combined. Flags describe the records in database and can be: ...
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How does data binding work in AngularJS?

... AngularJS remembers the value and compares it to a previous value. This is basic dirty-checking. If there is a change in value, then it fires the change event. The $apply() method, which is what you call when you are transitioning from a non-AngularJS world int...
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Commenting in a Bash script inside a multiline command

How can I comment on each line of the following lines from a script? 7 Answers 7 ...
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Is there an equivalent to CTRL+C in IPython Notebook in Firefox to break cells that are running?

I've started to use the IPython Notebook and am enjoying it. Sometimes, I write buggy code that takes massive memory requirements or has an infinite loop. I find the "interrupt kernel" option sluggish or unreliable, and sometimes I have to restart the kernel, losing everything in memory. ...
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Why does Enumerable.All return true for an empty sequence? [duplicate]

The code creates an empty collection of string, then tries to determine if all the elements in the collection are "ABC". If you run it, b will be true. ...