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What are the differences between virtual memory and physical memory?
I am often confused with the concept of virtualization in operating systems. Considering RAM as the physical memory, why do we need the virtual memory for executing a process?
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What to do about a 11000 lines C++ source file?
...) mainmodule.cpp source file in our project and every time I have to touch it I cringe.
34 Answers
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Should I use tag for icons instead of ? [closed]
Facebook's HTML and Twitter Bootstrap HTML (before v3) both use the <i> tag to display icons.
7 Answers
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What is the exact problem with multiple inheritance?
I can see people asking all the time whether multiple inheritance should be included into the next version of C# or Java. C++ folks, who are fortunate enough to have this ability, say that this is like giving someone a rope to eventually hang themselves.
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Big-O for Eight Year Olds? [duplicate]
... operation on a data structure, I understand that the number of operations it has to perform won't grow because there are more items. And an O(n) operation would mean that you would perform a set of operations on each element. Could somebody fill in the blanks here?
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2D cross-platform game engine for Android and iOS? [closed]
I've worked for some time with Unity3d and found it's 2D part with OnGUI() or GUITextures too clumsy. Also, even a smallest game done on Unity3d is at least 10MB download which is just too much for a 2D game.
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Check synchronously if file/directory exists in Node.js
... fs.existsSync():
const fs = require("fs"); // Or `import fs from "fs";` with ESM
if (fs.existsSync(path)) {
// Do something
}
It was deprecated for several years, but no longer is. From the docs:
Note that fs.exists() is deprecated, but fs.existsSync() is not. (The
callback parameter t...
What are the benefits of Java's types erasure?
...t's stick to the facts
A lot of the answers thus far are overly concerned with the Twitter user. It's helpful to keep focused on the messages and not the messenger. There is a fairly consistent message with even just the excerpts mentioned thus far:
It's funny when Java users complain about type ...
Scala vs. Groovy vs. Clojure [closed]
...oovy is a dynamically typed language, whose syntax is very close to Java, with a number of syntax improvements that allow for lighter code and less boilerplate. It can run through an interpreter as well as being compiled, which makes it good for fast prototyping, scripts, and learning dynamic langua...
What's the difference between UTF-8 and UTF-8 without BOM?
What's different between UTF-8 and UTF-8 without a BOM ? Which is better?
21 Answers
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