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What is Java String interning?
...eneration, and you risk
running out of PermGen space.
--
From: http://www.codeinstructions.com/2009/01/busting-javalangstringintern-myths.html
From JDK 7 (I mean in HotSpot), something has changed.
In JDK 7, interned strings are no longer allocated in the permanent generation of the Jav...
java.lang.OutOfMemoryError: Java heap space
...n accordingly you can increase heap size also by using:
java -Xmx2g
http://www.oracle.com/technetwork/java/javase/tech/vmoptions-jsp-140102.html
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How do I set the size of Emacs' window?
...
Taken from: http://www.gnu.org/software/emacs/windows/old/faq4.html
(setq default-frame-alist
'((top . 200) (left . 400)
(width . 80) (height . 40)
(cursor-color . "white")
(cursor-type . box)
(foreground-...
How to pass the values from one activity to previous activity
...ke SQL syntax, transactions and prepared statements.
Tutorials -- http://www.vogella.com/articles/AndroidSQLite/article.html
B. Shared Preferences
Suppose you want to store username. So there will be now two thing a Key Username, Value Value.
How to store
// Create object of SharedPreferences...
What exactly is an Assembly in C# or .NET?
...
http://www.codeguru.com/columns/csharp_learning/article.php/c5845
An assembly is a file that is automatically generated by the compiler upon successful compilation of every .NET application. It can be either a Dynamic Link Library ...
When is an interface with a default method initialized?
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
How do you performance test JavaScript code?
...
https://developer.mozilla.org/en-US/docs/Web/API/Performance.now()
http://www.w3.org/TR/hr-time/#dom-performance-now
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How to list the contents of a package using YUM?
...xample
# rpm -ql php-fpm
/etc/php-fpm.conf
/etc/php-fpm.d
/etc/php-fpm.d/www.conf
/etc/sysconfig/php-fpm
...
/run/php-fpm
/usr/lib/systemd/system/php-fpm.service
/usr/sbin/php-fpm
/usr/share/doc/php-fpm-5.6.0
/usr/share/man/man8/php-fpm.8.gz
...
/var/lib/php/sessions
/var/log/php-fpm
No need to ...
Check free disk space for current partition in bash
...---------------------------------------
# CRON: 0 0,4,8,12,16 * * * /var/www/httpd-config/server_scripts/clear_root_spool_log.bash
MOUNTP=/var/spool # mount drive to check
LIMITSIZE=5485760 # 5G = 10*1024*1024k # limit size in GB (FLOOR QUOTA)
FREE=$(df -k --output=avail "$MOUNTP" | ta...
Send and receive messages through NSNotificationCenter in Objective-C?
...ived Notification - Someone seems to have logged in");
}
Source:
http://www.smipple.net/snippet/Sounden/Simple%20NSNotificationCenter%20example
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