大约有 45,000 项符合查询结果（耗时：0.0834秒） [XML]
Unique constraint on multiple columns
...finition would be:
CREATE TABLE [dbo].[user](
[userID] [int] IDENTITY(1,1) NOT NULL,
[fcode] [int] NULL,
[scode] [int] NULL,
[dcode] [int] NULL,
[name] [nvarchar](50) NULL,
[address] [nvarchar](50) NULL,
CONSTRAINT [PK_user_1] PRIMARY KEY CLUSTERED
(
[userID...
Graphical DIFF programs for linux [closed]
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In Python, how do you convert a `datetime` object to seconds?
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10 Answers
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Backbone.js fetch with parameters
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213
changing:
collection.fetch({ data: { page: 1} });
to:
collection.fetch({ data: $.param({ ...
How do I connect to this localhost from another computer on the same network?
...ro connected (wireless or not) to the main computer.
General Sketch:
1 Set up a virtual host:
You first need to set up a virtual host in your apache httpd-vhosts.conf file. On XAMP, you can find this file here: C:\xampp\apache\conf\extra\httpd-vhosts.conf. On MAMP, you can find this file he...
How can I remove a key and its value from an associative array?
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381
You can use unset:
unset($array['key-here']);
Example:
$array = array("key1" => "value1",...
How to sort an array of associative arrays by value of a given key in PHP?
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SQL NVARCHAR and VARCHAR Limits
...s wrong. nvarchar(max) can store up to (and beyond sometimes) 2GB of data (1 billion double byte characters).
From nchar and nvarchar in Books online the grammar is
nvarchar [ ( n | max ) ]
The | character means these are alternatives. i.e. you specify either n or the literal max.
If you choose to ...
How to count string occurrence in string?
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1084
The g in the regular expression (short for global) says to search the whole string rather tha...