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The performance impact of using instanceof in Java
I am working on an application and one design approach involves extremely heavy use of the instanceof operator. While I know that OO design generally tries to avoid using instanceof , that is a different story and this question is purely related to performance. I was wondering if there is any per...
Why is there an “Authorization Code” flow in OAuth2 when “Implicit” flow works so well?
...n-HTTPS redirect URI because not all developers have an SSL enabled server and if they do it's not always properly configured (non-self signed, trusted SSL certificates, synchronised server clock...).
You don't want hackers to be able to steal access/refresh tokens by intercepting requests.
Detail...
How to create an HTTPS server in Node.js?
Given an SSL key and certificate, how does one create an HTTPS service?
9 Answers
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How do you append an int to a string in C++? [duplicate]
...rite:
#include <string> // to use std::string, std::to_string() and "+" operator acting on strings
int i = 4;
std::string text = "Player ";
text += std::to_string(i);
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Convert audio files to mp3 using ffmpeg
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You could use this command:
ffmpeg -i input.wav -vn -ar 44100 -ac 2 -b:a 192k output.mp3
Explanation of the used arguments in this example:
-i - input file
-vn - Disable video, to make sure no video (including album cover image) is included if...
Why is the parent div height zero when it has floated children
...formatting context. See methods for containing floats for other techniques and containing floats for an explanation about why CSS was designed this way.
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What is the difference between Spring, Struts, Hibernate, JavaServer Faces, Tapestry?
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Spring is an IoC container (at least the core of Spring) and is used to wire things using dependency injection. Spring provides additional services like transaction management and seamless integration of various other technologies.
Struts is an action-based presentation framework (...
How to unit test abstract classes: extend with stubs?
I was wondering how to unit test abstract classes, and classes that extend abstract classes.
14 Answers
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Hello World in Python [duplicate]
...of Python programmers are still using 2.x because of its extensive library and framework support, so 3.0 isn't nearly as adopted as you'd expect for now.
– Paolo Bergantino
Jul 3 '09 at 0:31
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jQuery .on function for future elements, as .live is deprecated [duplicate]
I need to add a handler for the click event of future <div> elements, that don't exist yet. Normally, I would use jQuery's .live function to handle this, but it seems that it is now deprecated in favor of .on .
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