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When to use virtual destructors?
... make the base class destructor protected and nonvirtual; by doing so, the compiler won't let you call delete on a base class pointer.
You can learn more about virtuality and virtual base class destructor in this article from Herb Sutter.
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How to play a sound in C#, .NET
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@Ali... stackoverflow.com/questions/2361857/what-does-means-in-c-sharp "It means interpret the following string as literal. Meaning, the \ in the string will actually be a "\" in the output, rather than having to put "\\" to mean the literal chara...
How can I export tables to Excel from a webpage [closed]
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Java Friends</title>
</head>
<body>
<table style="font-weight: bold"&g...
Can two Java methods have same name with different return types? [duplicate]
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What is an 'endpoint' in Flask?
...', 'give_greeting', give_greeting)
Let's say your website is located at 'www.example.org' and uses the above view. The user enters the following URL into their browser:
http://www.example.org/greeting/Mark
The job of Flask is to take this URL, figure out what the user wants to do, and pass it o...
Overloading Macro on Number of Arguments
..." in a variadic macro. To fix this, add an unused argument (or even just a comma) after the last param in the definition of FOO(...): #define FOO(...) GET_MACRO(__VA_ARGS__, FOO3, FOO2, UNUSED)(__VA_ARGS__) (See it run on Coliru).
– metal
Apr 12 '17 at 12:26
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How To Set Up GUI On Amazon EC2 Ubuntu server
.../community/VNC/Clients
In the vnc client, give public DNS plus ":1" (e.g. www.example.com:1). Enter the vnc login password. Make sure to use a normal connection. Don't use the key files.
Additional guide available here: http://www.serverwatch.com/server-tutorials/setting-up-vnc-on-ubuntu-in-the-am...
difference between Product Backlog Item and Feature in Team Foundation work item types
...ems and Features and the idea behind creating a new work item type. http://www.visualstudio.com/en-us/news/2013-jun-3-vso.aspx
The difference between the two comes down to what granularity you want to work with your work items at:
Product Backlog Items are composed of Tasks and have estimated eff...
Function pointers, Closures, and Lambda
...omehow and after a search online I didn't find really any analysis of this comparison.
12 Answers
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Get data from fs.readFile
...t doesn't execute right away, rather it executes when the file loading has completed. When you call readFile, control is returned immediately and the next line of code is executed. So when you call console.log, your callback has not yet been invoked, and this content has not yet been set. Welcome to...