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Using `textField:shouldChangeCharactersInRange:`, how do I get the text including the current typed

... Swift 3 Based on the accepted answer, the following should work in Swift 3: func textField(_ textField: UITextField, shouldChangeCharactersIn range: NSRange, replacementString string: String) -> Bool { let newString = NSStri...
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How to list out all the subviews in a uiviewcontroller in iOS?

... You need to print recursively, this method also tabs based on the depth of the view -(void) printAllChildrenOfView:(UIView*) node depth:(int) d { //Tabs are just for formatting NSString *tabs = @""; for (int i = 0; i < d; i++) { tabs = [tabs stringBy...
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Generate fixed length Strings filled with whitespaces

I need to produce fixed length string to generate a character position based file. The missing characters must be filled with space character. ...
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How to use a servlet filter in Java to change an incoming servlet request url?

... A simple JSF Url Prettyfier filter based in the steps of BalusC's answer. The filter forwards all the requests starting with the /ui path (supposing you've got all your xhtml files stored there) to the same path, but adding the xhtml suffix. public class UrlP...
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How can I list the contents of a directory in Python?

...print("{} is biiiig".format(dentry.name)) (read an extensive performance-based answer of mine here) share | improve this answer | follow | ...
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How can I implode an array while skipping empty array items?

... Based on what I can find, I'd say chances are, there isn't really any way to use a PHP built in for that. But you could probably do something along the lines of this: function implode_skip_empty($glue,$arr) { $ret = ""...
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Use of 'prototype' vs. 'this' in JavaScript?

...ction? Because it tries to fool you, yes fool you that it works like class-based languages. Let's go on with our example and create an "object" out of A: var a1 = new A(); There's something happening in the background when this thing happened. a1 is an ordinary variable which was assigned a new...
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Microsecond timing in JavaScript

...w() are. The exception is that Date and now() times don't mix, as Date is based on unix-epoch (the number of milliseconds since 1970), while now() is the number of milliseconds since your page navigation started (so it will be much smaller than Date). now() is supported in Chrome stable, Firefox 1...
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Back to previous page with header( “Location: ” ); in PHP

...I provide three other solutions I would turn to instead of the redirection based on HTTP_REFERER. – Dimitry Mar 13 '11 at 16:00 2 ...
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How do I set default terminal to terminator? [closed]

...ake terminator the default program. You could also use dconf-editor (a GUI-based tool) to make changes to the dconf, as another answer has suggested. If you would like to learn and understand more about this topic, this may help you. ...