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How to write the Fibonacci Sequence?
...ting the math form directly in your language, for example in Python it becomes:
def F(n):
if n == 0: return 0
elif n == 1: return 1
else: return F(n-1)+F(n-2)
Try it in your favourite language and see that this form requires a lot of time as n gets bigger. In fact, this is O(2n) in ti...
Javascript web app and Java server, build all in Maven or use Grunt for web app?
...on with AngularJS and we like the idea of using Bower for Dependency Management and Grunt for building, running tests etc. ( Yeoman )
...
Should I pass an std::function by const-reference?
...lt;void> run_in_ui_thread( std::function<void()> )
which runs some code in the "ui" thread, then signals the future when done. (Useful in UI frameworks where the UI thread is where you are supposed to mess with UI elements)
We have two signatures we are considering:
std::future<void...
Learning Python from Ruby; Differences and Similarities
...
Here are some key differences to me:
Ruby has blocks; Python does not.
Python has functions; Ruby does not. In Python, you can take any function or method and pass it to another function. In Ruby, everything is a method, and methods...
Unpacking, extended unpacking and nested extended unpacking
Consider the following expressions. Note that some expressions are repeated to present the "context".
3 Answers
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Android: How can I pass parameters to AsyncTask's onPreExecute()?
I use an AsyncTask for loading operations that I implemented as an inner class.
4 Answers
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Permutations in JavaScript?
...plice(i, 0, ch);
usedChars.pop();
}
return permArr
};
document.write(JSON.stringify(permute([5, 3, 7, 1])));
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Pros and cons of AppSettings vs applicationSettings (.NET app.config / Web.config)
...ne.
The downside is: there's no type-checking, e.g. you cannot safely assume your number that you wanted to configure there really is a number - someone could put a string into that setting..... you just access it as ConfigurationManager["(key)"] and then it's up to you to know what you're dealing ...
How is “=default” different from “{}” for default constructor and destructor?
... your destructor was non-virtual, it's a completely different story. The same is true of constructors.
Using = default syntax for special member functions (default constructor, copy/move constructors/assignment, destructors etc) means something very different from simply doing {}. With the latter, ...
How to handle many-to-many relationships in a RESTful API?
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In a RESTful interface, you can return documents that describe the relationships between resources by encoding those relationships as links. Thus, a team can be said to have a document resource (/team/{id}/players) that is a list of links to players (/player/{id}) on ...