大约有 40,000 项符合查询结果(耗时:0.1110秒) [XML]

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All Ruby tests raising: undefined method `authenticate' for nil:NilClass

Most of my tests are raising the following and I don't understand why. All methods call raise the 'authenticate' error. I've checked the code if there was a method called "authenticate" but there is no such method. ...
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DLL and LIB files - what and why?

...program to run properly - libraries. But why do compilers generate them at all? Wouldn't it be easier to just include all the code in a single executable? And what's the difference between DLL's and LIB's? ...
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ASP.NET: This method cannot be called during the application's pre-start initialization stage

... I see. It automatically defines security and membership rules so you have to override them before you add custom ones. Tricky. – Jonathan Allen May 25 '11 at 8:46 ...
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AWK: Access captured group from line pattern

... I prefer 'perl -n -p -e...' over awk for almost all use cases, since it is more flexible, more powerful and has a saner syntax in my opinion. – Peter Tillemans Jun 23 '11 at 18:39 ...
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Linux/Unix command to determine if process is running?

...s arg vector. Any such approach is doomed to fail sooner or later (you actually admit to that yourself, by saying that more checks are needed). I've added my own recommendation in a separate answer. – peterh Oct 3 '13 at 10:41 ...
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What's the fastest way to loop through an array in JavaScript?

...o Currently, the fastest form of loop (and in my opinion the most syntactically obvious). A standard for-loop with length caching var i = 0, len = myArray.length; while (i < len) { // your code i++ } I would say, this is definitely a case where I applaud JavaScript en...
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How do I force git to checkout the master branch and remove carriage returns after I've normalized f

...his workaround, but it's glaring issue in git that "checkout -f" doesn't really force re-checkout. Another woraround would be to remove all working copy files first (i.e. everything but .git dir). – pfalcon Mar 18 '14 at 3:38 ...
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Need a simple explanation of the inject method

...otal and then stores the result back into the accumulator. The next block call has this new value, adds to it, stores it again, and repeats. At the end of the process, inject returns the accumulator, which in this case is the sum of all the values in the array, or 10. Here's another simple example...
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How can I move a single directory from a git repository to a new repository whilst maintaining the h

...e the master repository contain the projects as submodules. I'd like to do all this whilst maintaining the revision history of the individual projects if possible. ...
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What is the difference between declarative and imperative programming? [closed]

...n collection where item%2 != 0 select item would be the declarative form. Calling a function doesn't become declarative programming just because that function is in the System.Linq namespace. – Pete Kirkham Aug 28 '15 at 21:50 ...