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what exactly is device pixel ratio?
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167
Short answer
The device pixel ratio is the ratio between physical pixels and logical pixels. ...
What is the best way to create constants in Objective-C
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edited Jun 22 '13 at 9:09
answered Jun 21 '13 at 5:51
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Difference between this and self in JavaScript
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134
Unless set elsewhere, the value of self is window because JavaScript lets you access any prope...
iOS开发过程中的各种tips - 更多技术 - 清泛网 - 专注C/C++及内核技术
...的太多，我就没整理了，大家如果想看可以去看原文。
1.返回输入键盘
<UITextFieldDelegate>
- (BOOL)textFieldShouldReturn:(UITextField *)textField {
[textField resignFirstResponder];
return YES;
}
2.CGRect
CGRectFromString(<#NSString *string#>)//有字...
TypeScript “this” scoping issue when called in jquery callback
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166
You have a few options here, each with its own trade-offs. Unfortunately there is no obvious b...
EJB's - when to use Remote and/or local interfaces?
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186
I'm very new to Java EE and I'm trying to understand the concept of Local interfaces and Re...
Easy way to turn JavaScript array into comma-separated list?
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17 Answers
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Difference between Observer, Pub/Sub, and Data Binding
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145
+50
Here's ...
Get most recent file in a directory on Linux
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21 Answers
21
Active
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When is TCP option SO_LINGER (0) required?
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edited Apr 30 '15 at 11:18
OJ.
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