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CakePHP How to change the X-Mailer

Basically, on your CakeEmail object:

$CakeEmail = new CakeEmail();
$CakeEmail->addHeaders(array('X-Mailer' => 'My custom X-Mailer'));

If set manually Cake will not add his default value ‘CakePHP Email’.

Source:
http://stackoverflow.com/a/18032036

Verify hex color string

Verify hex color string
Verify hex color string

This PHP script checks if a string $color is a hex color or not. The second IF statement will add the pound symbol at the beginning if it is missing from the hex color value.

//Check for a hex color string '#c1c2b4'
if(preg_match('/^#[a-f0-9]{6}$/i', $color)) //hex color is valid
{
	//Verified hex color
} 

//Check for a hex color string without hash 'c1c2b4'
elseif(preg_match('/^[a-f0-9]{6}$/i', $color)) //hex color is valid
{
	$fix_color = '#' . $color;
}

Source:
http://code.hyperspatial.com/250/verify-hex-color-string/

SSH: Backup all databases

You can dump all the databases into a single .sql file like so:

mysqldump --all-databases > database_backup.sql

Or you can dump them individually to a directory with the date of backup to /home/ by using a for loop, such as this:

now=$(date +"%m_%d_%Y");mkdir /home/mysql.back.$now && for i in $(mysql -BNe 'show databases'| grep -v _schema);do echo $i; sudo mysqldump $i > /home/mysql.back.$now/$i.sql ; done 

Split and merge large files

Use the split command to do this:

split --bytes=1024m bigfile.iso small_file_

That command will split bigfile.iso into files that are 1024 MB in size (1GB) and name the various parts small_file_aa, small_file_ab, etc. You can specify b for bytes, k for Kilobytes and m for Megabytes to specify sizes.

To join the files back together on Linux:

cat small_file_* > joined_file.iso

Similarly to join the split files on a Windows machine, use the copy command:

copy /b small_file_* joined_file.iso

Source:
http://linuxpoison.blogspot.com/2008/09/split-and-merge-large-files.html

Cakephp 2.0 default hash type

The default hash type of Cakephp 2.0 is sha1. But when you have set a Security.Salt in the core.php this will be added before your password and before the encryption is done.

To generate a password with Salt you can either create an User::add method in Cakephp and use the Authcomponent or create some your own. I needed it for fast checking user accounts with a javascript frontend (no views are used).

// Your salt from core.php
// Configure::write('Security.salt', 'e4ac429040b9d4552bc425b677b64aca104c5f84f');
$salt = 'e4ac429040b9d4552bc425b677b64aca104c5f84f';
$yourpassword = 'mysecret';
 
$password = sha1($salt.$yourpassword);
// The password to use in Cakephp with the Authcomponent
print $password;

Thats all, you use that password in your mysql admin tool to create users on the fly.

Source

Magento: How to Upgrade Magento community to 1.8

How to Upgrade Magento community to 1.8

How to Upgrade Magento community to 1.8

Magento recommends you upgrade your installation using the following guidelines in a development or test environment, separate from your existing production environment:

  1. Create a parallel development or testing system, identical to your current production system.
    You’ll use this parallel system to implement and test the Magento upgrade.
  2. In your current production environment:
    1. Back up your Magento database.
    2. Archive the file system.
      This includes the media directory and subdirectories; all extensions and customizations; and all custom themes.
  3. In the development or test environment:
    1. Create a new, empty database instance.
    2. Import the production database tables into the development database instance.
    3. Copy your production media directory, extensions, themes, and other customizations to the development system.
    4. Copy local.xml to magento-install-dir/app/etc and edit it if necessary to reference the production database instance.
    5. In a web browser, go to your development system base URL.
    6. Wait for upgrade scripts to run.
    7. Verify the development system is now identical to the production system.
      If not, fix issues, retest, and upgrade again.
  4. Test the development system thoroughly, including:
    • Verify all extensions, themes, and customizations work.
    • Place orders using all webstores and all payment methods.

Htaccess: how to force “www.” in a generic way?

This works on any domain

#Remove the below two comments to disable it on localhost
#RewriteCond %{HTTP_HOST} !=localhost
#RewriteCond %{HTTP_HOST} !=127.0.0.1
RewriteCond %{HTTP_HOST} !^$
RewriteCond %{HTTP_HOST} !^www\. [NC]
RewriteCond %{HTTPS}s ^on(s)|
RewriteRule ^ http%1://www.%{HTTP_HOST}%{REQUEST_URI} [R=301,L]

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