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Algorithm to find Largest prime factor of a number
...t very fast in general.
The best known method for factoring numbers up to 100 digits long is the Quadratic sieve. As a bonus, part of the algorithm is easily done with parallel processing.
Yet another algorithm I've heard of is Pollard's Rho algorithm. It's not as efficient as the Quadratic Sieve ...
苹果全球开发者大会：无硬件 iOS 9等三大系统更新 - 资讯 - 清泛网 - 专注C...
...家公园当中的一块裸露在地面上的单体花岗岩，岩石高1100米，经历了5700万年，吸引了无数慕名而来的攀岩者。
watchOS 2 原生应用更精彩
watchOS是本次开发者大会上的一个重头戏，新版watchOS 2将为Apple Watch带来更多原生应用。这...
Mongoose (mongodb) batch insert?
... edited Aug 16 '17 at 15:24
Mc 100's
49111 gold badge44 silver badges1919 bronze badges
answered Feb 3 '16 at 10:38
...
At runtime, find all classes in a Java application that extend a base class
... those containing "-ejb-" or other recognizable file names, and it's still 100 times faster than starting up an embedded glassfish or EJBContainer. In my particular situation, I then analysed the classes looking for "Stateless", "Stateful", and "Singleton" annotations, and if I saw them, I added the...
Why would I make() or new()?
...]int = new([]int) // *p = nil, which makes p useless
v []int = make([]int, 100) // creates v structure that has pointer to an array, length field, and capacity field. So, v is immediately usable
share
|
...
How to query as GROUP BY in django?
...:
template_name = 'book/books.html'
model = Book
paginate_by = 100
def get_queryset(self):
return Book.objects.group_by('title', 'author').annotate(
shop_count=Count('shop'), price_avg=Avg('price')).order_by(
'name', 'author').distinct()
def get_...
PHP append one array to another (not array_push or +)
...a memory copy.
$array1 = array_fill(0,50000,'aa');
$array2 = array_fill(0,100,'bb');
// Test 1 (array_merge)
$start = microtime(true);
$r1 = array_merge($array1, $array2);
echo sprintf("Test 1: %.06f\n", microtime(true) - $start);
// Test2 (avoid copy)
$start = microtime(true);
foreach ($array2 a...
What is ActiveMQ used for - can we apply messaging concept using a Database?
...a system that process client requests. In normal cases the system receives 100 requests per minute. This system is unreliable when number of request goes beyond average. In such case Queue can manage requests and it can push messages periodically based on system throughput without breaking it.
Asyn...
Can I restore a single table from a full mysql mysqldump file?
...lly huge db it is can very weird - restore 150 GB of data for one table of 100 MB.
– Enyby
Jul 7 '16 at 21:02
I just r...
How to make a div fill a remaining horizontal space?
...:left;
width:180px;
background-color:#ff0000;
}
#right {
width: 100%;
background-color:#00FF00;
}
<div>
<div id="left">
left
</div>
<div id="right">
right
</div>
</div>
...