I wanted to clean up my News Feed from no longer relatable Pages. I tried the “go-to-page-unlike” cycle, but it took waaay too long. So I found this trick: Go to https://www.facebook.com/<your-user-name>/allactivity Go to “Likes” Go to “Pages and Interests” Click the “Edit” icon and “Unlike” Or, you can go...

In case you need to make sure your forked repo is up-to-date with the original repo (i.e. /git/original/HelloWorld vs /git/anton/HelloWorld), here’s what you need to do in your terminal: $ git remote -v $ git remote add upstream git@git.url.io:original/HelloWorld.git $ git remote -v $ git fetch upstream $ git checkout...

DynamoDb is a NoSQL database, which to me means it’s schema-less, scales horizontally, and has incredible performance when accessing data via K/V pairs.  I’m adding this here as writing about it helps me remember. Two types of primary key Partition key same as a primary key must be unique...

With the technical landscape being distributed, you will have heard of the CAP Theorem, as it related to the systems that you work on to be 99.99999% up. These are my $0.02 on my understanding of the CAP Theorem. * Consistency – read/write guarantee between nodes * Availability –...

In case you installed the the “stronger” Java Crytography Extension, you can check with: $JAVA_HOME/bin/jrunscript -e 'print (javax.crypto.Cipher.getMaxAllowedKeyLength("RC5") >= 256);'...