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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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How to change legend title in ggplot

...ould work: p <- ggplot(df, aes(x=rating, fill=cond)) + geom_density(alpha=.3) + xlab("NEW RATING TITLE") + ylab("NEW DENSITY TITLE") p <- p + guides(fill=guide_legend(title="New Legend Title")) (or alternatively) p + scale_fill_discrete(name = "New Legen...
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How do I resolve configuration errors with Nant 0.91?

...xtracted from the Nant 0.91 archive. (This made no sense to me until I actually tried it, but it does actually work...) Source : http://surfjungle.blogspot.com/2011/11/tip-running-nant-091-on-windows-7.html I found that the problem was Windows 7 security related in that the downloaded NAnt 0.91...
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How do I exclude all instances of a transitive dependency when using Gradle?

... Ugh, I just struggled with this exact issue. I find it so exceptionally difficult to do anything with gradle, especially resolve conflicts on a large project. I'd happily take verbose xml with xsd validation over gradle's dsl – cjbooms Apr 22 '16 at 14:...
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Why is a round-trip conversion via a string not safe for a double?

...ber(value, 17, &number); DoubleToNumber is pretty simple -- it just calls _ecvt, which is in the C runtime: void DoubleToNumber(double value, int precision, NUMBER* number) { WRAPPER_CONTRACT _ASSERTE(number != NULL); number->precision = precision; if (((FPDOUBLE*)&val...
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ASP.NET MVC Razor Concatenation

... You should wrap the inner part of the call with ( ): <li id="item_@(item.TheItemId)"> share | improve this answer | follow | ...
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TransactionManagementError “You can't execute queries until the end of the 'atomic' block” while usi

...ementError when trying to save a Django User model instance and in its post_save signal, I'm saving some models that have the user as the foreign key. ...
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Remove empty elements from an array in Javascript

...ll return you a new array with the elements that pass the criteria of the callback function you provide to it. For example, if you want to remove null or undefined values: var array = [0, 1, null, 2, "", 3, undefined, 3,,,,,, 4,, 4,, 5,, 6,,,,]; var filtered = array.filter(function (el) { ...
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How to do a https request with bad certificate?

Say I want to get https://golang.org programatically. Currently golang.org (ssl) has a bad certificate which is issued to *.appspot.com So when I run this: ...
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Why is Java Vector (and Stack) class considered obsolete or deprecated?

... each individual operation. That's almost never what you want to do. Generally you want to synchronize a whole sequence of operations. Synchronizing individual operations is both less safe (if you iterate over a Vector, for instance, you still need to take out a lock to avoid anyone else changing t...