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Java “Virtual Machine” vs. Python “Interpreter” parlance?

...fundamental level with very basic building blocks of such instructions (or byte codes) that are independent of the next. An instruction executes deterministically based only on the current state of the virtual machine and does not depend on information elsewhere in the instruction stream at that poi...
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Return a “NULL” object if search result not found

...ot found return nullptr; } Otherwise, if you insist on returning by reference, then you should throw an exception if the attribute isn't found. (By the way, I'm a little worried about your method being const and returning a non-const attribute. For philosophical reasons, I'd suggest retur...
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What is the difference between HTTP and REST?

...RESTful architecture was invented a lot later. The functionalities offered by the http protocol fits REST architecture, but the 2 are not dependent on one another. its not a question of reinventing the wheel, its a question of understanding these concepts – Yuval Perelman ...
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Why are static variables considered evil?

... through the code I wrote used quite a good number of statics. I was asked by the senior technical lot to cut down on the number of statics used. I've googled about the same, and I find that many programmers are fairly against using static variables. ...
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Optimise PostgreSQL for fast testing

...uly want a ramdisk based system, initdb a whole new cluster on the ramdisk by initdbing a new PostgreSQL instance on the ramdisk, so you have a completely disposable PostgreSQL instance. PostgreSQL server configuration When testing, you can configure your server for non-durable but faster operatio...
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What exactly is an Assembly in C# or .NET?

...ediate language) that will be compiled to native code ("JITted" - compiled by the Just-In-Time compiler) the first time it is executed on a given machine. That compiled code will also be stored in the assembly and reused on subsequent calls. The assembly can also contain resources like icons, bitma...
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What's the difference between assignment operator and copy constructor?

...A a; a = aa; // assignment operator You could replace copy construction by default construction plus assignment, but that would be less efficient. (As a side note: My implementations above are exactly the ones the compiler grants you for free, so it would not make much sense to implement them m...
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Requirejs why and when to use shim config

...ve this in the past. See the "Loading Non-Modules" section of This article by Aaron Hardy for another good description. share | improve this answer | follow |...
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In C/C++ what's the simplest way to reverse the order of bits in a byte?

While there are multiple ways to reverse bit order in a byte, I'm curious as to what is the "simplest" for a developer to implement. And by reversing I mean: ...
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How to optimize imports automatically after each save in IntelliJ IDEA

... Enabling this option by default will produce a lot of diffs in imports after commit if team members are using different IDEs, it's the main reason to make it disabled by default. – CrazyCoder Jul 28 '12 at 2...