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Cloning a MySQL database on the same MySql instance
I would like to write a script which copies my current database sitedb1 to sitedb2 on the same mysql database instance. I know I can dump the sitedb1 to a sql script:
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Razor View Engine : An expression tree may not contain a dynamic operation
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Generate array of all letters and digits
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const char *, char const *, char * const 异同?const修饰符各位置有何区...
..., char * const 异同?const修饰符各位置有何区别?const char * p = new char('a'); 这个是常字符,即p的内容不能被修改。char const * p 意义同上,没有区别。 这时,*...const char * p = new char('a'); 这个是常字符,即p的内容不能被修改。
char co...
JS文字卷动效果的调用函数:startmarquee - 更多技术 - 清泛网 - 专注C/C++及内核技术
...滚动效果。这里介绍一下实现原理:function startmarquee(lh,speed,delay,index){ *函数startmarquee的参数: jquery.sgallery.js 里面有现成的函数 startmarquee() 实现文字向上滚动效果。
这里介绍一下实现原理:
function startmarquee(lh,speed,delay,inde...
How to check if element exists using a lambda expression?
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SQL Server ':setvar' Error
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CASCADE DELETE just once
I have a Postgresql database on which I want to do a few cascading deletes. However, the tables aren't set up with the ON DELETE CASCADE rule. Is there any way I can perform a delete and tell Postgresql to cascade it just this once? Something equivalent to
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How to get the first element of an array?
...ar ary = ['first', 'second', 'third', 'fourth', 'fifth'];
alert(ary[0]);
https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array
Also,
Source, courtesy of bobince
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querySelector, wildcard element match?
...t make the not something it never will be. A good css selector reference:
https://www.w3schools.com/cssref/css_selectors.asp which shows the :not selector as follows:
:not(selector) :not(p) Selects every element that is not a <p> element
Here is an example: a div followed by something (an...