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Getting started with Haskell
For a few days I've tried to wrap my head around the functional programming paradigm in Haskell. I've done this by reading tutorials and watching screencasts, but nothing really seems to stick.
Now, in learning various imperative/OO languages (like C, Java, PHP), exercises have been a good way for m...
When to use Storyboard and when to use XIBs
...could just type those 3 lines of code right here where I am!" No, it's not fun. Switching between code and storyboard (and between keyboard and mouse) gets old fast and slows you down.
Storyboards are hard to refactor: When you refactor your code, you have to make sure it still matches what your sto...
Creating an API for mobile applications - Authentication and Authorization
...dying other implementations). I've got my head wrapped around most of the fundamental concepts but am still looking for guidance in a few areas. The last thing I want to do is reinvent the wheel, but I'm not finding any standard solutions that fits my criteria (however my criteria my be misguided ...
boost多索引容器multi_index_container实战 - C/C++ - 清泛网 - 专注C/C++及内核技术
...#include <vector>
#include "boost/lambda/lambda.hpp"
#include "boost/function.hpp"
Course::Course( unsigned int num, unsigned int hour, std::string name ) :
course_num(num),
course_hour(hour),
course_name(name)
{
}
Student::Student( unsigned int num, const std:...
When is the thread pool used?
...de that you hear so much about. But, it's not the whole picture.
Certain functions and modules, usually written in C/C++, support asynchronous I/O. When you call these functions and methods, they internally manage passing the call on to a worker thread. For instance, when you use the fs module t...
Why would I use Scala/Lift over Java/Spring? [closed]
... elements, doing Ajax, etc.) is represented by a GUID in the browser and a function on the server. When the GUID is presented as part of the an HTTP request, the function is applied (called) with the supplied parameters. Because the GUIDs are hard to predict and session-specific, replay attacks an...
Regex Pattern to Match, Excluding when… / Except between
...t, and do a straight replacement.
In other flavors, within the replacement function call, inspect the match using a callback or lambda, and replace if Group 1 is set. If you need help with this, the article already referenced will give you code in various languages.
Have fun!
No, wait, there's mo...
Swift Beta performance: sorting arrays
... optimisation level [-O].
Here is an in-place quicksort in Swift Beta:
func quicksort_swift(inout a:CInt[], start:Int, end:Int) {
if (end - start < 2){
return
}
var p = a[start + (end - start)/2]
var l = start
var r = end - 1
while (l <= r){
if (a[l]...
Defeating a Poker Bot
...ness in human psychology has cost losing players a lot of money and is the fundamental reason that poker can still be profitable.
Poker is a vastly complicated game that takes years to get good at (The old adage remains true, "Ten minutes to learn, a lifetime to master"). The luck element is extre...