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Access parent DataContext from DataTemplate

... I had problems with the relative source in Silverlight. After searching and reading I did not find a suitable solution without using some additional Binding library. But, here is another approach for gaining access to the parent DataContext by directly referencing an element of which you know the...
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Convert char to int in C#

...har object that represents a number to a numeric value type. Use Parse and TryParse to convert a character in a string into a Char object. Use ToString to convert a Char object to a String object. http://msdn.microsoft.com/en-us/library/system.char.aspx ...
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Freeze the top row for an html table only (Fixed Table Header Scrolling) [duplicate]

...pany to research a solution for this that could function in IE7+, Firefox, and Chrome. After many moons of searching, trying, and frustration it really boiled down to a fundamental problem. For the most part, in order to gain the fixed header, you need to implement fixed height/width columns becaus...
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How to show a dialog to confirm that the user wishes to exit an Android Activity?

... In Android 2.0+ this would look like: @Override public void onBackPressed() { new AlertDialog.Builder(this) .setIcon(android.R.drawable.ic_dialog_alert) .setTitle("Closing Activity") .setMessage("Are...
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How do you create optional arguments in php?

...ed null as default argument in the first example, not $timestamp = time(), and combined it with a null check. Literals include arrays (array() or []), booleans, numbers, strings, and null. share | i...
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How are 3D games so efficient? [closed]

...ever understood. How can a great big PC game like GTA IV use 50% of my CPU and run at 60fps while a DX demo of a rotating Teapot @ 60fps uses a whopping 30% ? ...
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Python script to copy text to clipboard [duplicate]

... I tried it on my system, and .setcb doesn't work, but .copy does. I'm using pyperclip 1.5.4 on py 2.7. Just in case someone runs into the same problems - and @robert, I'd love to hear why this syntax works on your system but doesn't on mine. ...
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Pandas DataFrame Groupby two columns and get counts

I have a pandas dataframe in the following format: 6 Answers 6 ...
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Parser for C#

...source, parser used in SharpDevelop. Includes semantic analysis. C# Parser and CodeDOM: A complete C# 4.0 Parser, already support the C# 5.0 async feature. Commercial product (49$ to 299$) (answer by Ken Beckett) Microsoft Roslyn CTP: Compiler as a service. Works on assembly: System.Reflection ...
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Converting a string to int in Groovy

I have a String that represents an integer value and would like to convert it to an int . Is there a groovy equivalent of Java's Integer.parseInt(String) ? ...