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Set focus on TextBox in WPF from view model

...ample? Is it a TextBox control? If yes, then you are on a wrong way. Generally speaking it's not a good idea to have any reference to UI in your ViewModel. You can ask "Why?" but this is another question to post on Stackoverflow :). The best way to track down issues with Focus is... debugging .Net ...
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Changing Font Size For UITableView Section Headers

...wForHeaderInSection:(NSInteger)section { UILabel *myLabel = [[UILabel alloc] init]; myLabel.frame = CGRectMake(20, 8, 320, 20); myLabel.font = [UIFont boldSystemFontOfSize:18]; myLabel.text = [self tableView:tableView titleForHeaderInSection:section]; UIView *headerView = [[UIV...
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detect key press in python?

... Python has a keyboard module with many features. Install it, perhaps with this command: pip3 install keyboard Then use it in code like: import keyboard # using module keyboard while True: # making a loop try: # used try so that if user pressed other than the given ...
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When creating a service with sc.exe how to pass in context parameters?

...ce as well as setting the start setting to auto so that it starts automatically. You can do this by specifying DisplayName= yourdisplayname and start= auto in your create statement. Here is an example: C:\Documents and Settings\Administrator> sc create asperacentral binPath= "C:\Program Files\...
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Can someone explain the traverse function in Haskell?

... traverse is the same as fmap, except that it also allows you to run effects while you're rebuilding the data structure. Take a look at the example from the Data.Traversable documentation. data Tree a = Empty | Leaf a | Node (Tree a) a (Tree a) The Functor instance of Tr...
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Python Flask, how to set content type

... Try like this: from flask import Response @app.route('/ajax_ddl') def ajax_ddl(): xml = 'foo' return Response(xml, mimetype='text/xml') The actual Content-Type is based on the mimetype parameter and the charset (defaults to UTF-8). Response (and request) objects are docume...
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NSObject +load and +initialize - What do they do?

...ride +initialize or +load. Documentation makes it clear these methods are called for you by the Objective-C runtime, but that's really all that is clear from the documentation of those methods. :-) ...
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How to use mod operator in bash?

... answered Mar 31 '14 at 4:06 h__h__ 81588 silver badges1818 bronze badges ...
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Print a string as hex bytes?

... Note that in python3, the concept of printing a str as hex doesn't really make sense; you'll want to print bytes object as hex (convert str to bytes by calling .encode()). – mic_e May 8 '15 at 12:53 ...
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Difference between case object and object

...of serialization a prettier default implementation of toString, and the small amount of functionality that they get from automatically inheriting from scala.Product. Pattern matching, equals and hashCode don't matter much for singletons (unless you do something really degenerate), so you're pre...