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Run two async tasks in parallel and collect results in .NET 4.5

... You should use Task.Delay instead of Sleep for async programming and then use Task.WhenAll to combine the task results. The tasks would run in parallel. public class Program { static void Main(string[] args) { Go(); } public static void Go()...
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Converting bytes to megabytes

... it is not correct actually because mega means 1 000 000. There is a new standard name for 220 bytes, it is mebibyte (http://en.wikipedia.org/wiki/Mebibyte) and it gathers popularity. share | improv...
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Class with single method — best approach?

...ation of helper methods that would otherwise lie around causing redundancy and maintenance hell. They're very easy to use, no instantiation, no disposal, just fire'n'forget. I guess this was my first unwitting attempt at creating a service oriented architecture - lots of stateless services that just...
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Send and receive messages through NSNotificationCenter in Objective-C?

I am attempting to send and receive messages through NSNotificationCenter in Objective-C. However, I haven't been able to find any examples on how to do this. How do you send and receive messages through NSNotificationCenter ? ...
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What algorithm gives suggestions in a spell checker?

...mplement a spelling corrector. It's basicly a brute force approach trying candidate strings with a given edit distance. (Here are some tips how you can improve the spelling corrector performance using a Bloom Filter and faster candidate hashing.) The requirements for a spell checker are weaker. You...
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Should I use char** argv or char* argv[]?

I'm just learning C and was wondering which one of these I should use in my main method. Is there any difference? Which one is more common? ...
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valueOf() vs. toString() in Javascript

In Javascript every object has a valueOf() and toString() method. I would have thought that the toString() method got invoked whenever a string conversion is called for, but apparently it is trumped by valueOf(). ...
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How do you check “if not null” with Eloquent?

...null at deleted field, so I changed this into whereNull('deleted_at') and I got my query running. – Tarunn Jun 19 '15 at 12:45 ...
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Concatenate text files with Windows command line, dropping leading lines

I need to concatenate some relatively large text files, and would prefer to do this via the command line. Unfortunately I only have Windows, and cannot install new software. ...
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gulp command not found - error after installing gulp

I've installed gulp both globally and locally using 39 Answers 39 ...