Remove files not containing specific string

find . -type f -exec grep -L "some string" {} \; | xargs rm
-L, --files-without-match

Install Testlink on Ubuntu 10.04

Version: 1.9 RC1
Already installed apache so the following steps may differ from your case

1. Get source from http://testlink.sourceforge.net/docs/testLink.php

2. Extract the file and mv to /var/www
sudo cp -r testlink_1_9_RC1 /var/www/
Rename the dir to testlink (Optional, just affect the URL)

3. Install MySQL,PHP5, and related mod
sudo apt-get install mysql-server php5 php5-mysql php5-gd

4. Edit httpd.conf in apache
sudo vim /etc/apache2/httpd.conf
Add:
AddType application/x-httpd-php .php .htm .html
AddDefaultCharset UTF-8
ServerName 127.0.0.1
Restart apache server
sudo /etc/init.d/apache2 restart

5. Install with web installer.
http://your_ip/testlink
Just follow the instructions.

6. Finish the installation
Reload the page again and login as admin (pwd = admin)
Change admin's passwd in "Personal" page
Remove install/ in var/www/testlink
Edit config
sudo vim /var/www/testlink/config.inc.php
Turn off the warning message:
$tlCfg->config_check_warning_mode = 'SILENT';
Enable API Key:
$tlCfg->api->enabled = TRUE;
In this way, there will be a "Generate a new key" button in "Personal" page

OpenCORE Debug Print on Android

To utilize the existing log statements without rebuilding the whole PV library, you can do this:
1. In the beginning of the file, after the last "#include" line, add following:
#include <utils/Log.h>
#undef LOG_TAG
#define LOG_TAG "YOUR_MODULE_NAME"
#undef PVLOGGER_LOGMSG
#define PVLOGGER_LOGMSG(IL, LOGGER, LEVEL, MESSAGE) JJLOGE MESSAGE
#define JJLOGE(id, ...) LOGE(__VA_ARGS__)


2. In the end of the file, add these:

#undef PVLOGGER_LOGMSG
#define PVLOGGER_LOGMSG(IL, LOGGER, LEVEL, MESSAGE) OSCL_UNUSED_ARG(LOGGER);


You can play with the macro to filter based on level too.

From http://omappedia.org/wiki/Android_Debugging#Selectively_Enable_Opencore_Debug_Print

Removing carriage returns from MS-DOS file

Remove ^M in vim
:1,$s/{Ctrl+V}{Ctrl+M}//g

Get man pages for GNU/Linux Development

sudo apt-get install manpages-dev

Convert ape to flac in Ubuntu

Install flac and shntool
sudo apt-get install flac
sudo apt-get install shntool
Convert all ape files in current dir to flac
shnconv -o flac *.ape