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Most efficient way to increment a Map value in Java
...o perform an operation typical of the scenario I presented: opening a 10MB file and reading it in, then performing a frequency count of all the word tokens in the file. Since this took an average of only 3 seconds, I had it perform the frequency count (not the I/O) 10 times.
timed the loop of 10 ite...
Error java.lang.OutOfMemoryError: GC overhead limit exceeded
...
In my application (reading a large Excel file in Talend) this did not work and from other users explanation I understand why. This just disables the error but the problem persists and your application will just spend most of its time handling GC. Our server had pl...
How to run cron once, daily at 10pm
...ing from terminal -type:
zee$ crontab -e
what you will add to crontab file:
0 22 * * 0 some-user /opt/somescript/to/run.sh
What it means:
[
+ user => 'some-user',
+ minute => ‘0’, <<= on top of the hour.
+ hour => '22', <<= at 10 PM....
Vertically centering Bootstrap modal window
...r my app. If you take a look at the following classes in the bootstrap.css file .modal-dialog has a default padding of 10px and @media screen and (min-width: 768px) .modal-dialog has a top padding set to 30px. So in my custom css file I set my top padding to be 15% for all screens without specifyin...
How to post JSON to PHP with curl
...the $_POST-array isn't populated is correct. However, you can use
$data = file_get_contents("php://input");
to just retrieve the http body and handle it yourself. See PHP input/output streams.
From a protocol perspective this is actually more correct, since you're not really processing http mult...
Get current domain
...-----------------------+-----------------------------------+
| A config file | Joomla, Drupal/Symfony |
| The database | WordPress ...
Android - Start service on boot
...ll here is a complete example of an AutoStart Application
AndroidManifest file
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="pack.saltriver" android:versionCode="1" android:versionName="1.0">
<uses-permi...
How do you use window.postMessage across domains?
...
In a project I'm doing, I'm using file:/// Is it possible to get domain errors when pulling content solely from the local file system?
– Jacksonkr
Jun 25 '13 at 15:31
...
Multiple Updates in MySQL
...but not MyISAM.
Code to run the tests is as follows. It also outputs .SQL files to remove php interpreter overhead
<?
//Variables
$NumRows=30000;
//These 2 functions need to be filled in
function InitSQL()
{
}
function RunSQLQuery($Q)
{
}
//Run the 3 tests
InitSQL();
for($i=0;$i<3;$i++)
...
Permission denied (publickey) when SSH Access to Amazon EC2 instance [closed]
...ppen if you have messed up the /home/<username>/.ssh/authorized_keys file on your EC2 instance.
About 2., the information about which username you should use is often lacking from the AMI Image description. But you can find some in AWS EC2 documentation, bullet point 4. :
http://docs.aws.am...