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Quickest way to convert a base 10 number to any base in .NET?

... I recently blogged about this. My implementation does not use any string operations during the calculations, which makes it very fast. Conversion to any numeral system with base from 2 to 36 is supported: /// <summary> /// Converts the given decimal...
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How the single threaded non blocking IO model works in Node.js

...s the response. Node.js knows to execute callback when fetch finishes. In my opinion, because it's a single thread model, there is no way to switch from one request to another. Actually the node server does exactly that for you all the time. To make switches, (the asynchronous behavior) most funct...
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Casting vs using the 'as' keyword in the CLR

...len, (long)sw.ElapsedMilliseconds); } } On my laptop, these all execute in about 60ms. Two things to note: There's no significant difference between them. (In fact, there are situations in which the as-plus-null-check definitely is slower. The above code actually ma...
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Python Logging (function name, file name, line number) using a single file

...ook at inspect - Inspect live objects for more details. As I mentioned in my comment earlier, you can also drop into a pdb interactive debugging prompt at any time by inserting the line import pdb; pdb.set_trace() in, and re-running your program. This enables you to step through the code, inspectin...
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Recursion in Angular directives

...u (or Yoeman) hasn't included any JavaScript files more than once. Somehow my main.js file was included twice and therefore two directives with the same name were being created. After removing one of the JS includes, the code worked. – Jack Nov 29 '13 at 18:03 ...
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Does C# have extension properties?

... adding a possibility to define an extended property like string Data(this MyClass instance) as an alias for extension method string GetData(this MyClass instance) as it stores data into the class. I hope that C#7 will provide a full featured extension everything (properties and fields), however on...
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Android search with Fragments

... String query = intent.getStringExtra(SearchManager.QUERY); doMySearch(query); } } /** * Performs a search and passes the results to the container * Activity that holds your Fragments. */ public void doMySearch(String query) { // TODO: impleme...
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Why does Java switch on contiguous ints appear to run faster with added cases?

...timized as it will run in hot functions that are invoked at many points in my main program logic. Part of this code involves multiplying double variables by 10 raised to arbitrary non-negative int exponent s. One fast way (edit: but not the fastest possible, see Update 2 below) to get the mul...
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class

...an object's singleton class"--which I've read many times before--vague. To my knowledge, nowhere in the Ruby docs is "opening" a class defined, even though we all have an idea of what it means. Does class << self mean anything more than the value of self is set equal to the singleton class wit...
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Why are C# interface methods not declared abstract or virtual?

... even the public keywords would be redundant, so you omit them: interface MyInterface { void Method(); } In the CIL, the method is marked virtual and abstract. (Note that Java allows interface members to be declared public abstract). For the implementing class, there are some options: Non-ov...