大约有 43,000 项符合查询结果(耗时:0.0585秒) [XML]

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Case insensitive searching in Oracle

The default behaviour of LIKE and the other comparison operators, = etc is case-sensitive. 6 Answers ...
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Is there a more elegant way of adding an item to a Dictionary safely?

... Add if the existence of the key indicates a bug (so you want it to throw) and the indexer otherwise. (It's a bit like the difference between casting and using as for reference conversions.) If you're using C# 3 and you have a distinct set of keys, you can make this even neater: var currentViews =...
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How to use LINQ to select object with minimum or maximum property value

... Probably a little slower than just implementing IComparable and using Min (or a for loop). But +1 for a O(n) linqy solution. – Matthew Flaschen May 27 '09 at 6:07 4...
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Is main() really start of a C++ program?

The section $3.6.1/1 from the C++ Standard reads, 11 Answers 11 ...
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binning data in python with scipy/numpy

... of an array in prespecified bins? for example, i have an array of numbers and an array corresponding to bin start and end positions in that array, and I want to just take the mean in those bins? I have code that does it below but i am wondering how it can be cut down and improved. thanks. ...
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Escaping keyword-like column names in Postgres

... named "select", whereas an unquoted select would be taken as a key word and would therefore provoke a parse error when used where a table or column name is expected. share | improve this answe...
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Foreign key constraint may cause cycles or multiple cascade paths?

... SQL Server does simple counting of cascade paths and, rather than trying to work out whether any cycles actually exist, it assumes the worst and refuses to create the referential actions (CASCADE): you can and should still create the constraints without the referential acti...
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How to get a complete list of ticker symbols from Yahoo Finance? [closed]

I've googled endlessly for a method of getting a complete (and daily updated) list of all Yahoo ticker symbols available through http://finance.yahoo.com ...
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How can I tell Moq to return a Task?

...k(). You can simply return a Task with the desired values using .Returns() and Task.FromResult, e.g.: MyType someValue=...; mock.Setup(arg=>arg.DoSomethingAsync()) .Returns(Task.FromResult(someValue)); Update 2014-06-22 Moq 4.2 has two new extension methods to assist with this. m...
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Adding a y-axis label to secondary y-axis in matplotlib

... @Sigur you have to mess with passing the horizontalalignment and/or verticalalignment parameter to ax2.set_ylabel – Paul H Mar 22 '18 at 5:17 ...