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Published on 2010-04-23T12:02:34Z
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rand(1,N) but excluding array(a,b,c,..),
is there already a built-in function that I don't know or do I have to implement it myself(how?) ?
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I have been trying to resolve my issue of spiking cpu caused by php-fpm processes. I've reduced the php-fpm config settings to:
pm = ondemand
pm.max_children = 12
pm.start_servers = 2
pm.min_spare_servers = 2
pm.max_spare_servers = 10
pm.max_requests = 500
php_admin_value[memory_limit] = 128M
Problem…
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[root@ip ~]# yum install php-pear*
Reducing CentOS-5 Testing to included packages only
Finished
Setting up Install Process
Package 1:php-pear-1.8.1-2.el5.centos.noarch already installed and latest versio …
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I am taking over an application server and discover that it contain the following settings:
AddType text/html php
Although it works, but my understanding is that it should set as following:
AddType application/x-httpd-php php .php
What are the key differences between the two settings?…
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Hello.
I have a server with VBulletin forum (working under Apache 2.2, CentOS). The default settings for it in .htaccess are as follows:
RewriteEngine on
RewriteCond %{HTTP_HOST} ^gsmforum\.ru
RewriteRule (.*) http://www.gsmforum.ru/$1 [R=301,L]
# If you are having problems or are using VirtualDocumentRoot…
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I have installed memcached fine, and now I will need to install PECL extension memcache. Im running RedHat x86_64 es5. The installation gives me this:
downloading memcache-2.2.6.tgz ...
Starting to download memcache-2.2.6.tgz (35,957 bytes)
..........done: 35,957 bytes
11 source files, building
running:…
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Hi, I am using .NET to create an artificial life program and I am using C#'s pseudo random class defined in a Singleton. The idea is that if I use the same random number generator throughout the application, I could merely save the seed and then reload from the seed to recompute a certain interesting…
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The challenge
The shortest code by character count that will generate (pseudo)random numbers using the Middle-Square Method.
The Middle-Square Method of (pseudo)random number generation was first suggested by John Von Neumann in 1946 and is defined as follows:
Rn+1 = mid((Rn)2, m)
For example:
…
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I have a random number generator:
int32_t ksp_random_table[GENERATOR_DEG] = {
-1726662223, 379960547, 1735697613, 1040273694, 1313901226, 1627687941,
-179304937, -2073333483, 1780058412, -1989503057, -615974602, 344556628,
939512070, -1249116260, 1507946756, -812545463, 154635395,…
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I am looking for a random number generator that can be biased. For instance, say I want a random number between 1-5, with the probability being:
1: Comes up 20% of the time
2: Comes up 10% of the time
3: Comes up 40% of the time
4: Comes up 25% of the time
5: Comes up 5% of the time
Is there anything…
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Why do i need to create an instance of Random class, if i want to create a random number between 1 and 100 ....like
Random rand = new Random();
rand.Next(1,100);
Is there any static function of Random class to do the same? like...
Random.Next(1,100);
I don't want to create an instance unnecessaril…
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