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What is JSON and why would I use it?
I've looked on wikipedia and Googled it and read the official documentation, but I still haven't got to the point where I really understand what JSON is, and why I'd use it.
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Facebook Post Link Image
When someone posts a link on facebook, a script usually scans that link for any images, and displays a quick thumbnail next to the post. For certain URLs though (including mine), FB doesn't seem to pick up anything, despite their being a number of images on that page.
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Unnamed/anonymous namespaces vs. static functions
A feature of C++ is the ability to create unnamed (anonymous) namespaces, like so:
11 Answers
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How can I correctly prefix a word with “a” and “an”?
I have a .NET application where, given a noun, I want it to correctly prefix that word with "a" or "an". How would I do that?
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Is !important bad for performance?
I hate them, it defies the cascading nature of CSS, and if you don't use them with care you end up in a loop of adding more !important .
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Why is semicolon allowed in this python snippet?
Python does not warrant the use of semicolons to end statements.
So why is this (below) allowed?
15 Answers
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What is CMake equivalent of 'configure --prefix=DIR && make all install '?
I do cmake . && make all install . This works, but installs to /usr/local .
7 Answers
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What is the difference between cout, cerr, clog of iostream header in c++? When to use which one?
I tried researching the difference between cout , cerr and clog on the internet but couldn't find a perfect answer. I still am not clear on when to use which. Can anyone explain to me, through simple programs and illustrate a perfect situation on when to use which one?
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In Objective-C why should I check if self = [super init] is not nil?
I have a general question about writing init methods in Objective-C.
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What is the difference between self-types and trait subclasses?
A self-type for a trait A :
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