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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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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...
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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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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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using jquery $.ajax to call a PHP function

This may be a simple answer, but I'm using jQuery's $.ajax to call a PHP script. What I want to do is basically put that PHP script inside a function and call the PHP function from javascript. ...
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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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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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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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pip issue installing almost any library

I have a difficult time using pip to install almost anything. I'm new to coding, so I thought maybe this is something I've been doing wrong and have opted out to easy_install to get most of what I needed done, which has generally worked. However, now I'm trying to download the nltk library, and neit...
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Embedded MongoDB when running integration tests

...ed mongo for each test fails most of the tests. Its better to start before all the tests and shutdown once all have executed – DBS Apr 30 '19 at 5:36 ...