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Detecting WPF Validation Errors

...ncyObject obj) { // The dependency object is valid if it has no errors and all // of its children (that are dependency objects) are error-free. return !Validation.GetHasError(obj) && LogicalTreeHelper.GetChildren(obj) .OfType<DependencyObject>() .All(IsValid); }...
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How do I revert a Git repository to a previous commit?

...out 0d1d7fc32 Or if you want to make commits while you're there, go ahead and make a new branch while you're at it: git checkout -b old-state 0d1d7fc32 To go back to where you were, just check out the branch you were on again. (If you've made changes, as always when switching branches, you'll have...
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do { … } while (0) — what is it good for? [duplicate]

...ostly in #defines, I assume it's good for inner scope variable declaration and for using breaks (instead of gotos.) 5 Answe...
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Execute SQLite script

I start up sqlite3 version 3.7.7, unix 11.4.2 using this command: 5 Answers 5 ...
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Is !important bad for performance?

I hate them, it defies the cascading nature of CSS, and if you don't use them with care you end up in a loop of adding more !important . ...
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Change working directory in my current shell context when running Node script

... Oops. Ya, that is the command I am actually using. However, when I use it in a simple script it still does not seem to work (once the script exits I am still in the old directory) If I call process.cwd() it says I am in the directory I should be but ...
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How to execute a java .class from the command line

...classpath ( where java looks for .class definitions ) If that's the case and listing the contents of your dir displays: Echo.java Echo.class Then any of this may work: java -cp . Echo "hello" or SET CLASSPATH=%CLASSPATH;. java Echo "hello" And later as Fredrik points out you'll get an...
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Google Maps API v3: How do I dynamically change the marker icon?

... you asking about the actual way to do it? You could just create each div, and a add a mouseover and mouseout listener that would change the icon and back for the markers. share | improve this answ...
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What's the opposite of 'make install', i.e. how do you uninstall a library in Linux?

...ects the source / build tree; it does not touch the rest of the filesystem and so will not remove previously installed software. If you're lucky, running make uninstall will work. It's up to the library's authors to provide that, however; some authors provide an uninstall target, others don't. If...
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Java Round up Any Number

... a is an int in this example, and it works as suggested. When doing int / float the result is a float, as demonstrated in the output. Try out the link. – dantiston Feb 22 '17 at 19:20 ...