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Explanation of JSONB introduced by PostgreSQL
PostgreSQL just introduced JSONB and it's already trending on hacker news . It would be great if someone could explain how it's different from Hstore and JSON previously present in PostgreSQL. What are its advantages and limitations and when should someone consider using it?
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Tags for Emacs: Relationship between etags, ebrowse, cscope, GNU Global and exuberant ctags
I work on C++ projects, and I went through Alex Ott's guide to CEDET and other threads about tags in StackOverflow, but I am still confused about how Emacs interfaces with these different tag systems to facilitate autocompletion, the looking up of definitions, navigation of source code base or the...
Why is there no xrange function in Python3?
Recently I started using Python3 and it's lack of xrange hurts.
6 Answers
6
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What does “dereferencing” a pointer mean?
...ring to the second byte in the process's memory, 2 the third, 3 the fourth and so on....
What happened to 0 and the first byte? Well, we'll get to that later - see null pointers below.
For a more accurate definition of what pointers store, and how memory and addresses relate, see "More about memo...
Complete Working Sample of the Gmail Three-Fragment Animation Scenario?
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Uploaded my proposal at github
(Is working with all android versions though view hardware acceleration is strongly recommended for this kind of animations. For non hardware accelerated devices a bitmap caching implementation should fit better)
Demo video with the animation is...
Difference between Mock / Stub / Spy in Spock test framework
I don't understand the difference between Mock, Stub, and Spy in Spock testing and the tutorials I have been looking at online don't explain them in detail.
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How to get unique values in an array
...hat uses no libraries. This requires two new prototype functions, contains and unique
Array.prototype.contains = function(v) {
for (var i = 0; i < this.length; i++) {
if (this[i] === v) return true;
}
return false;
};
Array.prototype.unique = function() {
var arr = [];
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Android: how to handle button click
Having a solid experience in non-Java and non-Android area, I'm learning Android.
10 Answers
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Hidden features of mod_rewrite
...of it work. As a result I've compiled a few notes on common functionality, and perhaps a few annoying nuances.
8 Answers
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Correct way to define C++ namespace methods in .cpp file
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Version 2 is unclear and not easy to understand because you don't know which namespace MyClass belongs to and it's just illogical (class function not in the same namespace?)
Version 1 is right because it shows that in the namespace, you are defi...