大约有 40,000 项符合查询结果(耗时:0.0712秒) [XML]

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How can I see the specific value of the sql_mode?

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arrow operator (->) in function heading

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What underlies this JavaScript idiom: var self = this?

...s article on alistapart.com. (Ed: The article has been updated since originally linked) self is being used to maintain a reference to the original this even as the context is changing. It's a technique often used in event handlers (especially in closures). Edit: Note that using self is now discour...
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How do you set a default value for a MySQL Datetime column?

... need to ALWAYS specify a value for this column or the value will automatically reset itself to "now()" on update. This means that if you do not want the value to change, your UPDATE statement must contain "[your column name] = [your column name]" (or some other value) or the value will become "now(...
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Overwrite or override

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How do I perform an insert and return inserted identity with Dapper?

...han using SCOPE_IDENTITY and was fixed in update #5 to SQL Server 2008 R2 Service Pack 1. – Michael Silver Nov 26 '14 at 5:55 2 ...
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Using “like” wildcard in prepared statement

... @Alain: Thank you. Just wondering, does this apply to all RDBMS the world is aware of? Perhaps '%' || ? || '%' as mentioned in 1st comment was better, after all? I don't have the opportunity to experiment right now. – BalusC Dec 23 '15 at 2...
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Validate that end date is greater than start date with jQuery

... I had to modify it slightly to allow for blank end dates in my app, but this did the bulk. code if (value == 0) { return true; } else if (!/Invalid|NaN/... code – Frank Luke Jun 23 '11 at 14:48 ...
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HTML/CSS: Make a div “invisible” to clicks?

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PHP Fatal error: Using $this when not in object context

... @Sarfraz No offense, but it is still wrong. You can call an instance method with ::. It is against E_STRICT, but it does work as long as the method body does not reference the instance scope, e.g. uses $this. Also, self::foo will not point to $this->foo. It references a clas...