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C++ performance vs. Java/C#
My understanding is that C/C++ produces native code to run on a particular machine architecture. Conversely, languages like Java and C# run on top of a virtual machine which abstracts away the native architecture. Logically it would seem impossible for Java or C# to match the speed of C++ because ...
How do you parse and process HTML/XML in PHP?
How can one parse HTML/XML and extract information from it?
30 Answers
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Graph visualization library in JavaScript
I have a data structure that represents a directed graph, and I want to render that dynamically on an HTML page. These graphs will usually be just a few nodes, maybe ten at the very upper end, so my guess is that performance isn't going to be a big deal. Ideally, I'd like to be able to hook it in w...
subtle differences between JavaScript and Lua [closed]
...oesn't convert between types for any comparison operators. In JS, only === and !== don't type juggle.
Lua has an exponentiation operator (^); JS doesn't. JS uses different operators, including the ternary conditional operator (?: vs and/or), and, as of 5.3, bitwise operators (&, |, etc. vs. meta...
App Inventor 2 中的响应式设计 · App Inventor 2 中文网
...iled example
Special circumstances
Limitation: Drawing and animation
Responsive design and Google Play
One tricky issue in designing apps is making apps that look good on devices with screens of differing sizes. For example, apps designed for a given phone should ...
Continuous Integration for Ruby on Rails? [closed]
...sed with the results. I came from a .NET shop that used CruiseControl.NET and was really spoiled with its ease of use and rich status/reporting.
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Why Does OAuth v2 Have Both Access and Refresh Tokens?
...s, if compromised, are useless because the attacker requires the client id and secret in addition to the refresh token in order to gain an access token.
Having said that, because every call to both the authorization server and the resource server is done over SSL - including the original client id ...
Is VB really case insensitive?
...atever reason, it's typically stated that Visual Basic is case insensitive and C languages aren't (and somehow that is a good thing).
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What are the most widely used C++ vector/matrix math/linear algebra libraries, and their cost and be
It seems that many projects slowly come upon a need to do matrix math, and fall into the trap of first building some vector classes and slowly adding in functionality until they get caught building a half-assed custom linear algebra library, and depending on it.
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What and where are the stack and heap?
...amming language books explain that value types are created on the stack , and reference types are created on the heap , without explaining what these two things are. I haven't read a clear explanation of this. I understand what a stack is. But,
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