大约有 10,150 项符合查询结果（耗时：0.0238秒） [XML]
Is there a TRY CATCH command in Bash
I'm writing a shell script and need to check that a terminal app has been installed. I want to use a TRY/CATCH command to do this unless there is a neater way.
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Setting different color for each series in scatter plot on matplotlib
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7 Answers
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Multiple working directories with Git?
I'm not sure if this is something supported by Git, but in theory it seems like it should work to me.
4 Answers
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What does [].forEach.call() do in JavaScript?
I was looking at some snippets of code, and I found multiple elements calling a function over a node list with a forEach applied to an empty array.
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How to write binary data to stdout in python 3?
In python 2.x I could do this:
4 Answers
4
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What does && mean in void *p = &&abc;
I came across a piece of code void *p = &&abc; . What is the significance of && here?
I know about rvalue references but I think && used in this context is different. What does && indicate in void *p = &&abc; ?
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What is the correct SQL type to store a .Net Timespan with values > 24:00:00?
I am trying to store a .Net TimeSpan in SQL server 2008 R2.
9 Answers
9
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Hashing a file in Python
I want python to read to the EOF so I can get an appropriate hash, whether it is sha1 or md5. Please help. Here is what I have so far:
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R programming: How do I get Euler's number?
For example, how would I go about entering the value e^2 in R?
3 Answers
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