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In C, how should I read a text file and print all strings
...E *stream);
You can change the while in your code to:
while (fgets(str, 100, file)) /* printf("%s", str) */;
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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 ...
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...
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...
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
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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 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...
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>
...
How to revert (Roll Back) a checkin in TFS 2010
...erence (TFS 2010)
https://msdn.microsoft.com/en-us/library/dd380776(v=vs.100).aspx
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