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Sometimes the scope of a local variable is a bit confusing when working with blocks. For example, the following will result in an “undefined local variable” for variables “x” and “bacon”...
Read MorePosted by Jay Luong | Feb 2, 2017 | MySQL / Percona, Vim |
When given a comma or tab-delimited file, we usually want to import this into some kind of database. The first you need to find out is what type of file this is as it could make or break your import. g _ – goes to the...
Read MorePosted by Jay Luong | Jan 5, 2017 | Networking |
Introduction There was a time when you could determine the size of a file by counting the number of characters it had. One character equates to one byte. Simple. In fact, it was how I found the office perpetrator who printed out...
Read MorePosted by Jay Luong | Jul 2, 2016 | Networking |
After years of having to manually renew certificates (I’ve used StartSSL in the past), Let’s Encrypt is finally live and will allow you to automate this process by installing an agent and a cron job. Here I’m...
Read MorePosted by Jay Luong | Sep 8, 2015 | Networking |
Generally there are three ways of reverting changes: checkout revert reset Checkout If you just need to revert specific files, you could run git checkout to retrieve an exact version. In the below example, I wanted to revert the...
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