22 Jun 2016 Today I learned that by default PHP rounds differently than javascript.PHP (using the default PHP_ROUND_HALF_UP) php > echo round(-1.5); "Round val up to precision decimal places away from zero, when it is half way there. Making 1.5 into 2 and -1.5 into -2."Javascript Math.round(-1.5); "For negative numbers, if the decimal portion is exactly -0.5, the return value is the smallest integer that is greater than the number."https://msdn.microsoft.com/en-us/library/5cza0web(v=vs.94).aspx 21 May 2016 It would be nice if there were a sqlalchemy/flask equivalent to this: https://github.com/dominno/django-moderation https://sqlalchemy-utils.readthedocs.io/en/latest/generic_relationship.html 20 May 2016 This was a great explanation of Modified Preorder Tree Traversal (or MPTT): https://www.sitepoint.com/hierarchical-data-database-2/ https://github.com/django-mptt/django-mptt 09 May 2016 If you see this error in datatables: "Uncaught TypeError: Cannot read property 'style' of undefined"08 May 2016 This selectize.js library looks like a good replacement for Select2: https://selectize.github.io/selectize.js/ 05 May 2016 19 Apr 2016 This article has a lot of great lessons learned about timezones: http://www.creativedeletion.com/2015/01/28/falsehoods-programmers-date-time-zones.html 10 Apr 2016 If your changes to a JSON, JSONB, or HSTORE field aren't saving after you commit, then you need to wrap your field in the MutableDict shown here: http://docs.sqlalchemy.org/en/latest/dialects/postgresql.html#sqlalchemy.dialects.postgresql.HSTORE 10 Apr 2016 This error happened because I mistyped "db.column" instead of "db.Column" when I was creating my database model using SQLAlchemy.19 Mar 2016 Great article about the problems with using PHP for long running processes: https://software-gunslinger.tumblr.com/post/48215406921/php-is-meant-to-die-continued