大约有 6,000 项符合查询结果（耗时：0.0224秒） [XML]
What is the use of GO in SQL Server Management Studio & Transact SQL?
...from employees;
GO -- GO 1
update employees set empID=21 where empCode=123;
GO -- GO 2
In the above example, statements before GO 1 will go to sql sever in a batch and then any other statements before GO 2 will go to sql server in another batch. So as we see it has separated batches.
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Stopwatch vs. using System.DateTime.Now for timing events [duplicate]
...y, this simple piece of code won't be enough to get accurate measurements most of the times because there’s a lot of activity going on under the hood of the OS, which can steal some CPU time and slow down the execution of your code. That’s why it is best to execute the tests multiple times and t...
Convert UTC datetime string to local datetime
...g issues in DelboyJay's example. And the lesser timing issues in Erik van Oosten's amendment.
As an interesting footnote, the timezone offset computed above can differ from the following seemingly equivalent expression, probably due to daylight savings rule changes:
offset = datetime.fromtimestamp...
How to remove all breakpoints in one step in Google Chrome?
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123
Since recently (Chrome 18), you can right-click any breakpoint in the Breakpoints pane and voi...
“did you run git update-server-info” error on a Github repository
I'm using the github Gui from their website to manage my repos, and I'm getting the following error:
20 Answers
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Why isn't sizeof for a struct equal to the sum of sizeof of each member?
...cture alignment is implementation-defined. Therefore each compiler may choose to align data differently, resulting in different and incompatible data layouts. For this reason, when dealing with libraries that will be used by different compilers, it is important to understand how the compilers alig...
How can I pretty-print JSON using Go?
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By pretty-print, I assume you mean indented, like so
{
"data": 1234
}
rather than
{"data":1234}
The easiest way to do this is with MarshalIndent, which will let you specify how you would like it indented via the indent argument. Thus, json.MarshalIndent(data, "", " ") will pretty...
What does “async: false” do in jQuery.ajax()?
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async:false = Code paused. (Other code waiting for this to finish.)
async:true = Code continu...
How to get full path of a file?
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I suppose you are using Linux.
I found a utility called realpath in coreutils 8.15.
realpath file.txt
/data/ail_data/transformed_binaries/coreutils/test_folder_realpath/file.txt
As per @styrofoam-fly and @arch-standton comments...
Cannot add or update a child row: a foreign key constraint fails
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123
It means that you're trying to insert into table2 a UserID value that doesn't exist in table1....