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What is the optimal algorithm for the game 2048?
...hly unlikely (e.g. it was reached by getting 6 "4" tiles in a row from the starting position). The typical search depth is 4-8 moves.
Heuristics
Several heuristics are used to direct the optimization algorithm towards favorable positions. The precise choice of heuristic has a huge effect on the pe...
What is a mutex?
...egment if the mutex is only ever used around that code but, the minute you start using the mutex in multiple places in your code, your explanation fails. Typically it can also be used to protect some data structure, which may be accessed from many places in the code.
– paxdiabl...
Should I use multiplication or division?
...e makes it unclear when to apply rules #1 and #2, leaving us back where we started: We need to decide which optimizations are worthwhile and which ones are not. Pretending the answer is obvious is not an answer.
– Matt
Jan 19 '16 at 10:15
...
NAnt or MSBuild, which one to choose and when?
....
MSBuild:
Built-in to .NET.
Integrated with Visual Studio
Easy to get started with MSBuild in Visual Studio - it's all behind the scenes. If you want to get deeper, you can hand edit the files.
Subjective Differences: (YMMV)
NAnt documentation is a little more straightforward. For example, ...
How do I setup a SSL certificate for an express.js server?
...
4.0 you have /bin/www file, which you are going to add https here.
"npm start" is standard way you start express 4.0 server.
readFileSync() function should use __dirname get current directory
while require() use ./ refer to current directory.
First you put private.key and public.cert file unde...
UTF-8, UTF-16, and UTF-32
...ot predominant, since it uses 2 bytes per character, primarily. UTF-8 will start to use 3 or more bytes for the higher order characters where UTF-16 remains at just 2 bytes for most characters.
UTF-32 will cover all possible characters in 4 bytes. This makes it pretty bloated. I can't think of any ...
What is the difference between self-types and trait subclasses?
... are provided.
For more practical use cases, please see the links at the start of this answer! But, hopefully now you get it.
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ACE vs Boost vs POCO [closed]
...lly test programs. I'm currently using Logger, XML, Zip, and Net/SMTP. I started using Poco when libxml2 irritated me for the last time. There are other classes I could use but haven't tried, e.g. Data::MySQL (I'm happy with mysql++) and Net::HTTP (I'm happy with libCURL). I'll try out the rest ...
Spring Expression Language (SpEL) with @Value: dollar vs. hash ($ vs. #)
... , but there are plenty of examples that use ${...} . Furthermore, when I started with SpEL I was told to use ${...} and it works fine.
...
Is object empty? [duplicate]
...;
function timeit(func,count) {
if (!count) count = 100000;
var start = Date.now();
for (i=0;i<count;i++) func();
var end = Date.now();
var duration = end - start;
console.log(duration/count)
}
function isEmpty1() {
return (Object.keys(a).length === 0)
}
func...