大约有 20,413 项符合查询结果(耗时:0.0568秒) [XML]

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Django auto_now and auto_now_add

... 13 Answers 13 Active ...
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In plain English, what does “git reset” do?

I have seen interesting posts explaining subtleties about git reset . 7 Answers 7 ...
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What is the difference between task and thread?

In C# 4.0, we have Task in the System.Threading.Tasks namespace. What is the true difference between Thread and Task . I did some sample program(help taken from MSDN) for my own sake of learning with ...
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Can you require two form fields to match with HTML5?

Is there a way to require the entries in two form fields to match using HTML5? Or does this still have to be done with javascript? For example, if you have two password fields and want to make sure that a user has entered the same data in each field, are there some attributes, or other coding that c...
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How can I easily view the contents of a datatable or dataview in the immediate window

Sometimes I will be at a breakpoint in my code and I want to view the contents of a DataTable variable (or a DataTable in a DataSet ). The quick watch doesn't give you a very clear view of the contents. How can I view them easily? ...
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Avoiding instanceof in Java

Having a chain of "instanceof" operations is considered a "code smell". The standard answer is "use polymorphism". How would I do it in this case? ...
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How can I get the current network interface throughput statistics on Linux/UNIX? [closed]

Tools such as MRTG provide network throughput / bandwidth graphs for the current network utilisation on specific interfaces, such as eth0. How can I return that information at the command line on Linux/UNIX? ...
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Select values from XML field in SQL Server 2008

Just looking at my XML field, my rows look like this: 9 Answers 9 ...
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In MySQL, can I copy one row to insert into the same table?

I just want to copy one row to insert into the same table (i.e., I want to duplicate an existing row in the table) but I want to do this without having to list all the columns after the "select", because this table has too many columns. ...
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How to determine day of week by passing specific date?

For Example I have the date: "23/2/2010" (23th Feb 2010). I want to pass it to a function which would return the day of week . How can I do this? ...