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Data binding to SelectedItem in a WPF Treeview

...SelectedItemChanged += new RoutedPropertyChangedEventHandler<object>(___ICH); } void ___ICH(object sender, RoutedPropertyChangedEventArgs<object> e) { if (SelectedItem != null) { SetValue(SelectedItem_Property, SelectedItem); } } ...
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How to “grep” for a filename instead of the contents of a file?

...ts of the file). I will run this from the system's root directory, to find all those files that match the regular expression. ...
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Why does an image captured using camera intent gets rotated on some devices on Android?

...nterface(photoPath); int orientation = ei.getAttributeInt(ExifInterface.TAG_ORIENTATION, ExifInterface.ORIENTATION_UNDEFINED); Bitmap rotatedBitmap = null; switch(orientation) { case ExifInterface.ORIENTATION_ROTATE_90: rotatedBitmap = rotateImage(b...
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Access index of the parent ng-repeat from child ng-repeat

... According to ng-repeat docs http://docs.angularjs.org/api/ng.directive:ngRepeat, you can store the key or array index in the variable of your choice. (indexVar, valueVar) in values so you can write <div ng-repeat="(fIndex, f) in foos"> <div> <div ng-repeat...
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Ignoring an already checked-in directory's contents?

...d only to hold graphics and sound files used in several projects. They are all in one directory without sub-directories. Now I just created a script to copy these assets over from another, structured directory, with several levels of sub-directories. ...
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Why does Java switch on contiguous ints appear to run faster with added cases?

...value has been removed in JDK 8 after more benchmarking was performed. Finally, when the method becomes too long (> 25 cases in my tests), it is in not inlined any longer with the default JVM settings - that is the likeliest cause for the drop in performance at that point. With 5 cases, the d...
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Difference between innerText, innerHTML, and childNodes[].value?

... According to developer.mozilla.org/en-US/docs/Web/API/Node/innerText Firefox >=45 is supported. – Kilmazing Jan 4 '17 at 17:45 ...
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How to make return key on iPhone make keyboard disappear?

...ate after you init the textfield in the .m: yourTextField = [[UITextField alloc] initWithFrame:yourFrame]; //.... //.... //Setting the textField's properties //.... //The next line is important!! yourTextField.delegate = self; //self references the viewcontroller or view your textField is on ...
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How to set a default value for a datetime column to record creation time in a migration?

... has fields named created_at/created_on or updated_at/updated_on. Source - api.rubyonrails.org You don't need to do anything else except to have that column. share | improve this answer |...
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Is it a good practice to use an empty URL for a HTML form's action attribute? (action=“”)

...for compatibility with legacy content. [RFC3986] This definitely works in all current browsers, but may not work as expected in some older browsers ("browsers do weird things with an empty action="" attribute"), which is why the spec strongly discourages authors from leaving it empty: The action a...