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Compression/Decompression string with C#

...stream.GetBuffer(); } } public static async Task<T> _Deserialize<T>(this byte[] arr) { using (MemoryStream stream = new MemoryStream()) { BinaryFormatter binaryFormatter = new BinaryFormatter(); await stream.WriteAsync(arr, 0, ...
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What is attr_accessor in Ruby?

I am having a hard time understanding attr_accessor in Ruby . Can someone explain this to me? 19 Answers ...
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How to determine if a list of polygon points are in clockwise order?

...formula above? It ends with "xn*y1 - x1*yn"; when I believe it should be "x_n y_{n+1} - y_n x_{n-1}" (in LaTeX, at least). On the other hand, it's been ten years since I took any linear algebra classes. – Michael Eric Oberlin May 25 '15 at 20:25 ...
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How to set default value for form field in Symfony2?

... ->add('myfield', 'text', array( 'label' => 'Field', 'empty_data' => 'Default value' )) share | improve this answer | follow | ...
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A fast method to round a double to a 32-bit int explained

... For those who'd like to convert to int64_t you can do that by shifting the mantissa left and then right by 13 bits. This will clear the exponent and the two bits from the 'magic' number, but will keep and propagate the sign to the entire 64-bit signed integer. unio...
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TypeScript function overloading

... are named apart and called by compiled TypeScript (e.g. createFeatureLayer_1 and createFeatureLayer_2) and createFeatureLayer could then determine which one to call based upon the contents of arguments for interoperation with vanilla JavaScript. – Thomas S. Trias ...
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What is the difference between a definition and a declaration?

...declares foo } ... or is a typedef or using statement. typedef long LONG_32; // declares LONG_32 using namespace std; // declares std Now for the big reason why it's important to understand the difference between a declaration and definition: the One Definition Rule. From section 3.2.1 of t...
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Custom attributes in styles.xml

... <style name="CustomStyle"> <item name="android:layout_width">wrap_content</item> <item name="android:layout_height">wrap_content</item> <item name="custom_attr">value</item> <!-- tee hee --> </style> </resourc...
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How do I declare a 2d array in C++ using new?

...nah, it's not clever at all: it's obvious. class Matrix { ... size_t index( int x, int y ) const { return x + m_width * y; } }; Given this index() function (which I'm imagining is a member of a class because it needs to know the m_width of your matrix), you can access cells within your ma...
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The transaction manager has disabled its support for remote/network transactions

...m. Basically I had duplicate CID's for the MSDTC across both servers. HKEY_CLASSES_ROOT\CID See: http://msdn.microsoft.com/en-us/library/aa561924.aspx section Ensure that MSDTC is assigned a unique CID value I am working with virtual servers and our server team likes to use the same image for eve...