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What is the purpose of “!” and “?” at the end of method names?
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jtbandesjtbandes
101k3333 gold badges209209 silver badges237237 bronze badges
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in entity framework code first, how to use KeyAttribute on multiple columns
... attributes, for instance:
public class MyEntity
{
[Key, Column(Order=0)]
public int MyFirstKeyProperty { get; set; }
[Key, Column(Order=1)]
public int MySecondKeyProperty { get; set; }
[Key, Column(Order=2)]
public string MyThirdKeyProperty { get; set; }
// other pro...
How to undo a git merge with conflicts
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edited Apr 21 '11 at 10:06
answered Apr 21 '11 at 8:23
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How to uncompress a tar.gz in another directory
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edited Mar 7 '16 at 10:26
answered Aug 23 '13 at 12:19
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Pass An Instantiated System.Type as a Type Parameter for a Generic Class
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220
You can't do this without reflection. However, you can do it with reflection. Here's a complete ...
UIButton title text color
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Objective-C
[headingButton setTitleColor:[UIColor colorWithRed:36/255.0 green:71/255.0 blue:113/255.0 alpha:1.0] forState:UIControlStateNormal];
Swift
headingButton.setTitleColor(.black, for: .normal)
share
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C# convert int to string with padding zeros?
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i.ToString().PadLeft(4, '0') - okay, but doesn't work for negative numbers
i.ToString("0000"); - explicit form
i.ToString("D4"); - short form format specifier
$"{i:0000}"; - string interpolation (C# 6.0+)
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jQuery - If element has class do this
...l:
if ($("#about").hasClass("opened")) {
$("#about").animate({right: "-700px"}, 2000);
}
But you can also simplify this to:
$('#about.opened').animate(...);
If #about doesn't have the opened class, it won't animate.
If the problem is with the animation itself, we'd need to know more about y...
Private setters in Json.Net
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answered Sep 8 '16 at 0:25
Saeb AminiSaeb Amini
18.3k88 gold badges6363 silver badges6565 bronze badges
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Html code as IFRAME source rather than a URL
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iframedoc.body.innerHTML = 'Hello world';
Example
Edit 2 (December 2017): use the Html5's srcdoc attribute, just like in Saurabh Chandra Patel's answer, who now should be the accepted answer! If you can detect IE/Edge efficiently, a tip is to use srcdoc-polyfill library only for them and the ...