大约有 31,400 项符合查询结果(耗时:0.0560秒) [XML]

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How to elegantly ignore some return values of a MATLAB function?

... return value from a function without having to create dummy variables for all n-1 return values before it? 8 Answers ...
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How to call shell commands from Ruby

How do I call shell commands from inside of a Ruby program? How do I then get output from these commands back into Ruby? 20...
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Replacements for switch statement in Python?

...erformance is an issue, so it doesn't re-build the dict on every function call – Claudiu Oct 23 '08 at 16:22 56 ...
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Downcasting in Java

Upcasting is allowed in Java, however downcasting gives a compile error. 11 Answers 1...
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Is it correct to use DIV inside FORM?

... It is totally fine . The form will submit only its input type controls ( *also Textarea , Select , etc...). You have nothing to worry about a div within a form. ...
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Java Try Catch Finally blocks without Catch

I'm reviewing some new code. The program has a try and a finally block only. Since the catch block is excluded, how does the try block work if it encounters an exception or anything throwable? Does it just go directly to the finally block? ...
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rgdal package installation

...liam Kyngesburye at http://www.kyngchaos.com/ may be used for source installs on OSX. As you seem to be under Linux, you always build package from source, so you will have to install the corresponding libraries on your system. If you are under Mint, Ubuntu or another Debian derivative, you can d...
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How can I configure NetBeans to insert tabs instead of a bunch of spaces?

...herent values for "Number of Spaces per indent" and "Tab Size". Additionally, you can check all the items in the Language combo and make sure they all use the general setting. You can also change it in a per-project fashion. Right click on the project icon, select Properties and review the For...
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What is the formal difference in Scala between braces and parentheses, and when should they be used?

...ut this, but I gave up in the end, as the rules are somewhat diffuse. Basically, you’ll have to get the hang of it. Perhaps it is best to concentrate on where curly braces and parenthesis can be used interchangeably: when passing parameters to method calls. You may replace parenthesis with curly b...
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In a django model custom save() method, how should you identify a new object?

... Not all models have an id attribute, i.e. a model extending another through a models.OneToOneField(OtherModel, primary_key=True). I think you need to use self.pk – AJP Apr 9 '13 at 10:21 ...