大约有 32,000 项符合查询结果(耗时:0.0481秒) [XML]

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How to declare variable and use it in the same Oracle SQL script?

... If SQL is a standard language then why is it so hard to find a canonical reference that just works everywhere? WTF??? – jww Feb 19 '19 at 12:55 ...
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Confusion between factor levels and factor labels

...g/creating labels, e.g. keep the levels as "a","b","c" while manipulating, then use levels(f) <- paste("Treatment",toupper(levels(f)),sep=" ") [or something] when plotting. Or create a parallel factor f_pretty that you carry along and use only for output ... – Ben Bolker ...
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How to load program reading stdin and taking parameters in gdb?

... how to run GDB from a shell first (with a new question if necessary), and then worry about running it inside emacs. – Alnitak Jan 18 '09 at 18:46 1 ...
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A definitive guide to API-breaking changes in .NET

...others take arguments of types exposed by your library. If any of his code then relies on type inference algorithm to determine the correct method based solely on presence or absence of members, then adding a new member to one of your types with the same name as in one of the client's types can pote...
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What's the best way to get the current URL in Spring MVC?

...uest.RequestContextListener</listener-class> </listener> And then use this to get the request bound to the current Thread: ((ServletRequestAttributes) RequestContextHolder.currentRequestAttributes()).getRequest() ...
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Configuring IntelliJ IDEA for unit testing with JUnit

... @Bob +1 for pointing at the flow breach. But is making MyClass first, then immediately create the corresponding MyClassTest with Ctrl+Shift+T; is that necessarily that bad? Making MyClassTest implies that there will be a MyClass class one test later, right? – andersoyvind ...
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How to get commit history for just one branch?

...al branch states with git show-branch (sending the warnings to /dev/null). Then we only keep those with our branch name inside the bracket with grep -E "\[$BRANCH_NAME". Where actual $BRANCH_NAME is obtained with git branch | grep -E '^\*' | awk '{ printf $2 }' (the branch with a star, echoed withou...
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How to limit the maximum value of a numeric field in a Django model?

...rgs) return super(IntegerRangeField, self).formfield(**defaults) Then in your model class, you would use it like this (field being the module where you put the above code): size = fields.IntegerRangeField(min_value=1, max_value=50) OR for a range of negative and positive (like an oscill...
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The order of elements in Dictionary

...te hashtable structure and also want to iterate over elements in key-order then they should to dict.Keys.OrderBy( k => k ).Select( k => dict[k] ) instead (at the cost of O(n) space and O( n log n ) time) for the OrderBy() (which will need to buffer the entire keys collection in an internal lis...
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Using NumberPicker Widget with Strings

... if it is an array, then it doesn't have size() and get() methods. size() should be replaced with .length, and get() replaced with arrayString[value] – RexSplode Mar 3 '17 at 15:06 ...