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Rails “validates_uniqueness_of” Case Sensitivity
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There is a similar question but the answer is more interesting: https://stackoverflow.com/a/6422771
Basically, using :case_sensitive => false performs a very inefficient database query.
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What does Html.HiddenFor do?
...l code
<input type="hidden"/>
And also refer the following link
https://msdn.microsoft.com/en-us/library/system.web.mvc.html.inputextensions.hiddenfor(v=vs.118).aspx
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Moving default AVD configuration folder (.android)
... provides the list of environmental variables supported by android studio: https://developer.android.com/studio/command-line/variables
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Does constexpr imply inline?
...imal example that constexpr implies inline for functions
As mentioned at: https://stackoverflow.com/a/14391320/895245 the main effect of inline is not to inline but to allow multiple definitions of a function, standard quote at: How can a C++ header file include implementation?
We can observe that...
Add a new line in file?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Linux环境离线安装docker&docker-compose - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
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[Unit]
Description=Docker Application Container Engine
Documentation=https://docs.docker.com
After=network-online.target firewalld.service
Wants=network-online.target
[Service]
Type=notify
ExecStart=/usr/bin/dockerd
ExecReload=/bin/kill -s HUP $MAINPID
TimeoutSec=0
RestartS...
How to open a new tab using Selenium WebDriver?
...launching 3 URL's, ? driver.switchTo().window(tabs.get(1)); driver.get("https://www.stackoverflow.com"); Thread.sleep(2000); driver.switchTo().window(tabs.get(2)); driver.get("https://www.flipkart.com"); Thread.sleep(2000); driver.close(); driver.switchTo().window(ta...
How do you enable the escape key close functionality in a Twitter Bootstrap modal?
...Modal').modal({
backdrop: 'static',
keyboard: false
})
Live Test :
https://jsfiddle.net/sztx8qtz/
Know More : http://budiirawan.com/prevent-bootstrap-modal-closing/
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Naming conventions for abstract classes
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Microsoft states, at:
https://docs.microsoft.com/en-us/dotnet/standard/design-guidelines/names-of-classes-structs-and-interfaces
"✓ CONSIDER ending the name of derived classes with the name of the base class. This is very readable and explains...
What is the MIME type for Markdown?
...be the standard.
http://www.iana.org/go/draft-ietf-appsawg-text-markdown
https://www.iana.org/assignments/media-types/media-types.xhtml
Search for markdown.
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