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Google Maps API Referrer Not Allowed Error

When embedding Google Maps or using Google Maps API programmatically, the calls to Google Maps API may fail with the following error message displaying on the Google Maps with exclamation mark icon on gray background, instead of [...]

By |2017-10-12T15:59:54+08:00October 12th, 2017|Categories: Developer Tools|Tags: , |0 Comments

Unable to Fetch Page Speed Results in W3 Total Cache

After configuring the Page Speed API Key in W3 Total Cache plugin in order to retrieve and view Google Page Speed Report from within the WordPress dashboard, the following error message is displayed in Google Page Speed [...]

By |2017-05-25T23:34:31+08:00May 25th, 2017|Categories: Developer Tools|Tags: , , , |0 Comments

Trick to Reduce & Minimize Virtual Disk Image Size When Taking Snapshots in VMWare

One of the advantage and feature of VMWare virtualization products such as VMware Workstation, Vmware Fusion and VMware ESXi is the ability to take snapshots, and multiple of them. Snapshots, essentially the same with checkpoints in Microsoft [...]

By |2017-03-27T23:59:53+08:00March 27th, 2017|Categories: Developer Tools|Tags: , , |0 Comments

How to Print & Write Array to File Output in PHP

When outputting the content data of array to a file in PHP, simply pass the data variable of array type to file_put_content() or fwrite() function to write the data to the file may not return the desired [...]

By |2017-01-16T22:20:01+08:00January 16th, 2017|Categories: Developer Tools|Tags: , |0 Comments

FTP mget & mput Without Prompt for Confirmation

FTP (File Transfer Protocol) is still commonly used to transfer files across TCP-based network such as Internet. While the main purpose of FTP is to perform two-way transfer of files, it has an annoyance - it prompts [...]

By |2016-12-09T08:39:13+08:00December 9th, 2016|Categories: Developer Tools|Tags: , |2 Comments