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Function return value in PowerShell

... With PowerShell 5 we now have the ability to create classes. Change your function into a class, and return will only return the object immediately preceding it. Here is a real simple example. class test_class { [int]return_what() { W...
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How to write a scalable Tcp/Ip based server

...ethod which will run the callback again if the client sends any more data. Now here's the really tricky part, when the client sends data, your receive callback might only be called with part of the message. Reassembly can become very very complicated. I used my own method and created a sort of propr...
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Get bitcoin historical data [closed]

... acquired live through bitstamp's pusher API which is what I'm doing right now. After indexing bitstamp for a day, I downloaded the bitstampUSD.csv and prepended the data to have a complete picture – nurettin Mar 5 '14 at 17:40 ...
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Why do you need explicitly have the “self” argument in a Python method?

...k bork bork! >>> c.foo() Hi! >>> It also (as far as I know) makes the implementation of the python runtime easier. share | improve this answer | follow ...
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Combining two expressions (Expression)

... @Aron now look at the date: the .NET framework visitor (ExpressionVisitor) did not exist back then; I have a related example on stackoverflow from a similar date where it implements the visitor manually: it is a lot of code. ...
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Forward declaring an enum in C++

... The reason the enum can't be forward declared is that without knowing the values, the compiler can't know the storage required for the enum variable. C++ Compiler's are allowed to specify the actual storage space based on the size necessary to contain all the values specified. If all t...
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How efficient is locking an unlocked mutex? What is the cost of a mutex?

... itself manages the scheduling and context switches, this makes sense. But now I have a rough imagination about what the mutex lock/unlock will do internally. – Albert Sep 6 '10 at 21:55 ...
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Best practices for adding .gitignore file for Python projects? [closed]

...re the machine readable (binary) version of the .po files, and -as widely known- it's a lot better to keep binary files outside of a versioned repository, when you can (and you should, since including both .po and .mo means also keeping duplicated data in the repository, that the VCS cannot even "sq...
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how to draw smooth curve through N points using javascript HTML5 canvas?

...ation.) In other words the two disjointed curves have much more in common now. This solution was extracted out of the book "Foundation ActionScript 3.0 Animation: Making things move". p.95 - rendering techniques: creating multiple curves. Note: this solution does not actually draw through each o...
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Determine the line of code that causes a segmentation fault?

... code causing this problem. I am using retry to cover up this problem for now. If use -g option, fault goes away! – Kemin Zhou Apr 14 at 19:25 ...