Category Archives: Programming

EMV transactions in the iSC480

My boss’s boss was informed that the credit card laws were changing and therefore, we needed to deploy new credit card readers and change our program to interface with the new readers. I had already gotten started with development and … Continue reading

Posted in Programming | Tagged | Leave a comment

LLT – M53: unknown product code (add it in ‘LLT.prm’ file)

Once again with the LLT. I just got a new PC and had to reinstall all of my software and re-learn the tricks for connecting LLT, etc.  Btw, the help file for LLT has better directions than the rest of … Continue reading

Posted in Errors, Lessons Learned | Tagged , | Leave a comment

LLT_LOAD – RAS Error 633

Today, I needed to upgrade the RBA for my device.  I started by using LLT to set up my connection and make sure everything worked.  I worked-out the configs and was able to get a file list in LLT.  So … Continue reading

Posted in Errors, Lessons Learned | Tagged , | Leave a comment

Grave naming

I just heard a new one today.  On the topic of “software development and coding standards” have you ever heard of “Grave Naming”? I guess it refers to the practice of standardizing specific domain (value) names across development layers.  (…from … Continue reading

Posted in Methodology, Programming | Tagged , , , , | Leave a comment

You got time to lean, you got time to clean

The first time that I recall hearing this saying, was while watching “the great food truck race” with Tyler whats-his-face. He was schooling some of the new food-truck chefs to clean up, after a long day of working. I was … Continue reading

Posted in Programming | Tagged , , | Leave a comment

Knowing when to read the signature from an Ingenico iSC480

I’ve been working on a project to integrate my team’s POS (point of sale) software with an Ingenico iSC480. The device is pretty nice looking and some of the API stuff is pretty easy, especially since you can get an … Continue reading

Posted in Programming | Tagged , | Leave a comment

Signing certificate not found – Identity Server

Signing certificate not found: CN=COMODO RSA Certification Authority, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB The reason behind this one, worries me a bit. Our sys-admin was cleaning out some old expired keys. When he did, we got this error. … Continue reading

Posted in Errors, Lessons Learned | Tagged , , , | Leave a comment