[b]Disable Admin Notification Popup in Magento[/b]
Every time you login to Magento admin panel, you will get notification popup which includes various updates about Magento.

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It’s a good factor to remain up to date about your software but I think that is the a part of the Developer’s life, finish client never like these pop up on each login about which they don’t know anything.
On this fast tip I will show you ways we are able to disable those popup. That popup is performance of one of the Magento 2 module. So disabling this popup is similar as disabling module in Magento. All you should know is the identify of that module.
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[*]Login to Magento Admin Panel. You'll get popup.
[*]Go to System >> Configuration >> Advance
[*]Disable the Module named “Mage_AdminNotification”, verify under picture for more informatiom.
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[b]Print array contents in log file of magento[/b]
In Magento You possibly can print your log in Exception.log utilizing
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[*]Mage::logException($e->getMessage());
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If you wish to put the log to your custom log file, then you can use write beneath line
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[*]Mage::log(‘Your Question’, Zend_Log::DEBUG, custom.log);
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However the problem is that , It will not print any Array information, If you want to print Array data in to log file then you need to use any one of many beneath methodology:
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[*]Mage::getModel(‘core/log_adapter’, ‘customized.log’)->log($arrayvariable);
[*]or
[*]Mage::log(‘Your Knowledge :’.print_r($arrayvariable, true), Zend_Log::DEBUG, ‘custom.log’);
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