大约有 42,000 项符合查询结果(耗时:0.0453秒) [XML]

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Finding the max value of an attribute in an array of objects

I'm looking for a really quick, clean and efficient way to get the max "y" value in the following JSON slice: 13 Answers ...
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What are the main performance differences between varchar and nvarchar SQL Server data types?

I'm working on a database for a small web app at my school using SQL Server 2005 . I see a couple of schools of thought on the issue of varchar vs nvarchar : ...
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Remove Elements from a HashSet while Iterating [duplicate]

So, if I try to remove elements from a Java HashSet while iterating, I get a ConcurrentModificationException . What is the best way to remove a subset of the elements from a HashSet as in the following example? ...
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How to put a line comment for a multi-line command [duplicate]

I know how to write a multi-line command in a Bash script, but how can I add a comment for each line in a multiline command? ...
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What's the better (cleaner) way to ignore output in PowerShell? [closed]

Let's say you have a method or a cmdlet that returns something, but you don't want to use it and you don't want to output it. I found these two ways: ...
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TDD/BDD screencast/video resources [closed]

I've recently finished watching the Autumn of Agile screencasts and I'm looking for more material of similar scope. Basically, I'm looking for screencasts that present TDD/BDD process while developing somewhat "real life" applications (or parts of them) - so no 20 minute intros please. I'm surpris...
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Why is there no String.Empty in Java?

I understand that every time I type the string literal "" , the same String object is referenced in the string pool. 11 An...
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CSS Selector “(A or B) and C”?

This should be simple, but I'm having trouble finding the search terms for it. Let's say I have this: 4 Answers ...
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Getting MAC Address

I need a cross platform method of determining the MAC address of a computer at run time. For windows the 'wmi' module can be used and the only method under Linux I could find was to run ifconfig and run a regex across its output. I don't like using a package that only works on one OS, and parsing ...
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Selecting data from two different servers in SQL Server

How can I select data in the same query from two different databases that are on two different servers in SQL Server? 15 An...