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What is the difference between Ruby 1.8 and Ruby 1.9
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Sam Ruby has a cool slideshow that outline the differences.
In the interest of bringing this information inline for easier reference, and in case the link goes dead in the abstract future, here's an overview of Sam's slides. The slideshow is less...
Insert code into the page context using a content script
...gment/hook a built-in prototype so your exposed code may fail if the page did it in an incompatible fashion. If you want to make sure your exposed code runs in a safe environment then you should either a) declare your content script with "run_at": "document_start" and use Methods 2-3 not 1, or b) ex...
Flask vs webapp2 for Google App Engine
I'm starting new Google App Engine application and currently considering two frameworks: Flask and webapp2 . I'm rather satisfied with built-in webapp framework that I've used for my previous App Engine application, so I think webapp2 will be even better and I won't have any problems with it.
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Reading output of a command into an array in Bash
...ia the array ${my_array[@]} in the example I gave).
Note that mapfile provides a way to have a callback eval'd on each line read, and in fact you can even tell it to only call this callback every N lines read; have a look at help mapfile and the options -C and -c therein. (My opinion about this is ...
User Authentication in ASP.NET Web API
...o concepts:
Authentication is the mechanism whereby systems may securely identify their users. Authentication systems provide an answers to the questions:
Who is the user?
Is the user really who he/she represents himself to be?
Authorization is the mechanism by which a system determines what le...
Method Resolution Order (MRO) in new-style classes?
...ss occurs more than once in the "naive", depth-first approach -- e.g., consider a "diamond inheritance" case:
>>> class A: x = 'a'
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>>> class B(A): pass
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>>> class C(A): x = 'c'
...
>>> class D(B, C): pass
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>>> D.x
'a'
here, legacy-style, ...
git stash blunder: git stash pop and ended up with merge conflicts
I did a git stash pop and ended up with merge conflicts. I removed the files from the file system and did a git checkout as shown below, but it thinks the files are still unmerged. I then tried replacing the files and doing a git checkout again and same result. I event tried forcing it with -...
Why in Java 8 split sometimes removes empty strings at start of result array?
...we observe the following clause being added:
When there is a positive-width match at the beginning of the input sequence then an empty leading substring is included at the beginning of the resulting array. A zero-width match at the beginning however never produces such empty leading substring.
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What's the difference between __PRETTY_FUNCTION__, __FUNCTION__, __func__?
..._ , __FUNCTION__ , __func__ , and where are they documented? How do I decide which one to use?
5 Answers
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What is data oriented design?
...is:
class Ball {
Point position;
Color color;
double radius;
void draw();
};
And then you would create a collection of balls like this:
vector<Ball> balls;
Data Oriented Approach
In Data Oriented Design, however, you are more likely to write the code like this:
class Balls {...