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Safely limiting Ansible playbooks to a single machine?
...r.yml --list-hosts
playbook: user.yml
play #1 ({{target}}): host count=0
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What does the C++ standard state the size of int, long type to be?
...commodates 1's-complement and sign-and-magnitude platforms)
unsigned char: 0 to 255
"plain" char: same range as signed char or unsigned char, implementation-defined
signed short: -32767 to 32767
unsigned short: 0 to 65535
signed int: -32767 to 32767
unsigned int: 0 to 65535
signed long: -2147483647 ...
Comparing two collections for equality irrespective of the order of items in them
...t)
return false;
if (firstCollection.Count == 0)
return true;
}
return !HaveMismatchedElement(first, second);
}
private bool HaveMismatchedElement(IEnumerable<T> first, IEnumerable<T> second)
{
int firstNu...
How to detect idle time in JavaScript elegantly?
...es, the page reload.
<script type="text/javascript">
var idleTime = 0;
$(document).ready(function () {
//Increment the idle time counter every minute.
var idleInterval = setInterval(timerIncrement, 60000); // 1 minute
//Zero the idle timer on mouse movement.
$(this).mousemove...
How to split csv whose columns may contain ,
...not.
For example:
using Microsoft.VisualBasic.FileIO;
string csv = "2,1016,7/31/2008 14:22,Geoff Dalgas,6/5/2011 22:21,http://stackoverflow.com,\"Corvallis, OR\",7679,351,81,b437f461b3fd27387c5d8ab47a293d35,34";
TextFieldParser parser = new TextFieldParser(new StringReader(csv));
// You can al...
How to do case insensitive string comparison?
...
answered Jan 26 '10 at 16:09
SLaksSLaks
770k161161 gold badges17711771 silver badges18631863 bronze badges
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Best way to do multi-row insert in Oracle?
...nsert into pager (PAG_ID,PAG_PARENT,PAG_NAME,PAG_ACTIVE)
select 8000,0,'Multi 8000',1 from dual
union all select 8001,0,'Multi 8001',1 from dual
The thing to remember here is to use the from dual statement.
(source)
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Delete an element from a dictionary
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edited Mar 20 '19 at 15:19
Nikita Skrebets
10866 bronze badges
answered Apr 30 '11 at 21:2...
Create subdomains on the fly with .htaccess (PHP)
...ch as *.example.org. A wildcard entry looks like this:
*.example.org. 3600 A 127.0.0.1
2. Include the wildcard in vhost
Next up in the Apache configuration you need to set up a vhost container that specifies the wildcard in the ServerAlias DOCs directive. An example vhost container:
<Vir...
Howto: Clean a mysql InnoDB storage engine?
...lib/mysql_grants
Login to mysql and run SET GLOBAL innodb_fast_shutdown = 0; (This will completely flush all remaining transactional changes from ib_logfile0 and ib_logfile1)
Shutdown MySQL
Add the following lines to /etc/my.cnf (or my.ini on Windows)
[mysqld]
innodb_file_per_table
innodb_flush_me...