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Rails update_attributes without save?
...'Sierra', :years => '1990', :looks => 'Sexy'}
Source: http://api.rubyonrails.org/classes/ActiveRecord/Base.html
attributes=(new_attributes, guard_protected_attributes = true)
Allows you to set all the attributes at once by passing in a hash with keys matching the attribute names (which agai...
How to use jQuery in chrome extension?
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Well what do you exactly mean by You have to add your jquery script to your chrome-extension project ? I did this : manifest.json : "background": { ` "scripts": ["thirdParty/jquery-2.0.3.js", "background.js"],` ` "persistent": false` `...
Tri-state Check box in HTML?
...ate state: http://css-tricks.com/indeterminate-checkboxes/. It's supported by the browsers out of the box and don't require any external js libraries.
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【精心整理】【实用】visual C++中最常用的类与API函数 - C/C++ - 清泛网 -...
...个CArchive对象
CArchive(CFile* pFile,UINT nMode,int nBufSize=4096,void* lpBuf=NULL);
参数:pFile 指向CFile对象的指针,这个CFile对象是数据的最终源或目的;
nMode是标志,取值为CArchive::load时,从文档中加载数据(要求CFile读许可),取值为CArch...
What is the difference between localStorage, sessionStorage, session and cookies?
...referable to sessionStorage - although you should note both can be cleared by the user so you should not rely on the continuing existence of data in either case.
localStorage and sessionStorage are perfect for persisting non-sensitive data needed within client scripts between pages (for example: pr...
Can I create a named default constraint in an add column statement in SQL Server?
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What are the correct link options to use std::thread in GCC under linux?
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Does MySQL ignore null values on unique constraints?
...swered Sep 14 '10 at 19:34
Mark ByersMark Byers
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JavaScript moving element in the DOM
...ents. Once you change the order you can no longer find the first and third by their ids and need to work out another way. My answer was only meant to illustrate the functionality of the methods to accomplish the requested task, not be a comprehensive solution to swapping the first and third divs in ...
Setting unique Constraint with fluent API?
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As an addition to Yorro's answer, it can also be done by using attributes.
Sample for int type unique key combination:
[Index("IX_UniqueKeyInt", IsUnique = true, Order = 1)]
public int UniqueKeyIntPart1 { get; set; }
[Index("IX_UniqueKeyInt", IsUnique = true, Order = 2)]
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