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How does BLAS get such extreme performance?

... can have different settings). It tries different configurations and then selects the best for the particular target system. (Tip: That is why if you are using ATLAS you are better off building and tuning the library by hand for your particular machine then using a prebuilt one.) ...
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Simulator or Emulator? What is the difference?

...e than it is. This comparison of both terms will contradict the currently selected answer (from Toybuilder) which puts the difference on the internal model, while my suggestion is that the difference is whether the fake can or cannot be used to perform the actual function in the actual world (to so...
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What is the difference between UTF-8 and Unicode?

...r wants to use. Also, when a text editor program reads a file, it needs to select a text encoding scheme to decode it correctly. Same goes when you are typing and entering a letter, the text editor needs to know what scheme you use so that it will save it correctly. – Cheng ...
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Structs versus classes

...d = isValid; } } On the other hand is the items needs to be moved or selected value types all that copying is going to slow you down. To get the exact answer I suspect you have to profile your code and test it out. sha...
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Simple Digit Recognition OCR in OpenCV-Python

...de a small code in OpenCV. It does following things: It loads the image. Selects the digits ( obviously by contour finding and applying constraints on area and height of letters to avoid false detections). Draws the bounding rectangle around one letter and wait for key press manually. This time we...
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Difference between classification and clustering in data mining? [closed]

... of fruits. What you will do first is you take on the fruit and you will select any physical character of that particular fruit. suppose you taken color. Then you will arrange them based on the color, then the groups will be some thing like this. RED COLOR GROUP: apples & cherry fruits. GREE...
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How do I run a Python program in the Command Prompt in Windows 7?

...you have Python2.7 installed Goto the Start Menu Right Click "Computer" Select "Properties" A dialog should pop up with a link on the left called "Advanced system settings". Click it. In the System Properties dialog, click the button called "Environment Variables". In the Environment Variables di...
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fastest MD5 Implementation in JavaScript

... While selecting library it's also important to see if it supports modern frameworks such as Bower, passes jslint, supports plugin model for JQuery or module systems such as AMD/RequireJS in addition to being in active development a...
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How to secure an ASP.NET Web API [closed]

... someCode = (from h in actionContext.Request.Headers where h.Key == "demo" select h.Value.First()).FirstOrDefault(); return someCode == "myCode"; } catch (Exception) { return false; } } } And in your controller: [DemoAuthorize] public cl...
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Explaining difference between automaticallyAdjustsScrollViewInsets, extendedLayoutIncludesOpaqueBars

...r view controllers start below the status bar (and above the bottom bar): Select the view controller in IB, In the attributes inspector, deselect 'Extend Edges - Under Top Bars' and 'Extend Edges - Under Bottom Bars'. share...