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How to capture UIView to UIImage without loss of quality on retina display
...Swift 4 improved version
extension UIImage {
class func imageWithView(_ view: UIView) -> UIImage {
UIGraphicsBeginImageContextWithOptions(view.bounds.size, view.isOpaque, 0)
defer { UIGraphicsEndImageContext() }
view.drawHierarchy(in: view.bounds, afterScreenUpdates: ...
How to check if a process id (PID) exists
...aptop:
[root@pinky:~]# ps fax | grep mozilla
3358 ? S 0:00 \_ /bin/sh /usr/lib/firefox-3.5/run-mozilla.sh /usr/lib/firefox-3.5/firefox
16198 pts/2 S+ 0:00 \_ grep mozilla
All examples now will look for PID 3358.
First way: Run "ps aux" and grep for the PID in th...
How do you find the current user in a Windows environment?
...answered Oct 22 '09 at 13:41
the_mandrillthe_mandrill
26.4k44 gold badges5555 silver badges8989 bronze badges
...
dispatch_after - GCD in Swift?
...
A clearer idea of the structure:
dispatch_after(when: dispatch_time_t, queue: dispatch_queue_t, block: dispatch_block_t?)
dispatch_time_t is a UInt64. The dispatch_queue_t is actually type aliased to an NSObject, but you should just use your familiar GCD methods t...
How to add default value for html ? [closed]
...swered Jun 2 '14 at 16:54
bhavya_wbhavya_w
6,06455 gold badges2525 silver badges3636 bronze badges
...
Convert interface{} to int
...)
}
func addTwoNumbers(val1 interface{}, val2 interface{}) int {
op1, _ := val1.(int)
op2, _ := val2.(int)
return op1 + op2
}
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Length of a JavaScript object
...now, it is a standard: developer.mozilla.org/en/JavaScript/Reference/Global_Objects/…
– vsync
Jun 6 '11 at 11:51
104
...
Create space at the beginning of a UITextField
...tField in your app:
extension UITextField {
func setLeftPaddingPoints(_ amount:CGFloat){
let paddingView = UIView(frame: CGRect(x: 0, y: 0, width: amount, height: self.frame.size.height))
self.leftView = paddingView
self.leftViewMode = .always
}
func setRightPadd...
How to change value of object which is inside an array using JavaScript or jQuery?
...
desc: "the write less, do more, JavaScript library",
icon: "jquery_32x32.png"
},
{
value: "jquery-ui",
label: "jQuery UI",
desc: "the official user interface library for jQuery",
icon: "jqueryui_32x32.png"
}];
//find the index of object from array that you want to update
co...
How to paste text to end of every line? Sublime 2
...
You can use the Search & Replace feature with this regex ^([\w\d\_\.\s\-]*)$ to find text and the replaced text is "$1".
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