A decade ago, the idea of cloud computing was taking shape. Some of the bold ones decided to take their hardware to the cloud while the rest were skeptical about renting a hardware somewhere on the cloud. “How reliable would it be?” was the dampener…
MySQL database migration with zero downtime
A few years ago, when we did our first architecture redesign, we needed to migrate our database. Naive and inexperienced with deployment, we decided to use the “quiet time” late at night to do the migration. We had fewer customers and assumed that our usage…
Flaky Internet? HAProxy and Squid to the rescue!
We have been growing faster than ever and that has brought us interesting and challenging tech problems. Compared to last year, there has been a 5X increase in the number of calls and a 4x increase in the number of SMS-es per day. While the…
Commentary in Code
Most coders would have seen the excellent thread on StackOverflow about the best comments they have seen in code base. Even if you are not a coder, I suggest you do check out the posts there to convince yourself that coders are not really boring;…
Tax invoice HTML template
We recently automated our billing infrastructure, and I was tasked with creation of PDF invoices and usage summaries for our customers. After the customary scouring the web for good looking templates, and making a mediocre attempt at one, Ninja suggested I just copy the quickbooks…
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