Jerry Stratton's Blog, page 65
February 12, 2016
Converting an existing Django model to Django-MPTT
Using a SQL database to mimic a filesystem will, eventually, create bottlenecks when it comes to traversing the filesystem. One solution is modified preordered tree traversal, which saves the tree structure in an easily-used manner inside the model.
February 10, 2016
Can Californians drink a train?
The meme goes that even if we���re wrong about global warming, the money spent will still make the world a better place. That is only true if you can drink a high-speed train.
February 9, 2016
Newaygo, Michigan: Bay Leaf Books
If you���re passing near Newaygo Michigan, don���t miss this bookstore hidden among the antique stores and art stores of little Newaygo.
February 6, 2016
Test classes and objects in python
One of the advantages of object-oriented programming is that objects can masquerade as each other.
February 4, 2016
Did government funding help keep Flint���s water unsafe?
When researchers rely on government funding to keep their jobs, it should come as no surprise that they aren���t eager to publish findings that reflect badly on those government agencies that fund them.
February 3, 2016
Is Iowa the end of the game, or the beginning?
It depends on whether your job is to win, or to guess the winner.
February 2, 2016
Basic Economics: A Citizen���s Guide to the Economy
Economics is an important topic, because unlike every other complex field, ���from botany to brain surgery���, we cannot avoid taking part: while we can, and usually should, refuse to perform brain surgery, we should not refuse to vote for politicians (and, in some states, initiatives) that have wide-ranging economic effects.
January 27, 2016
Cargo cult climate science
When your real-world evidence contradicts your theory, that isn���t a boon for deniers; that���s a boon for you, because, if you are a scientist, that is how your scientific knowledge advances. Real scientists are embarrassed when they ignore real-world evidence in favor of a mere theory.
January 26, 2016
Benson, Arizona: Mary Ann���s Mostly Books
Set up in an old storefront, the place is very disorganized but worth browsing through���especially if you need a break from driving I-10.
January 22, 2016
Should Apple enable exes to access their ex-spouse���s iPad?
Chris Matyszczyk wants Apple to just believe someone who says their spouse died, and give access to their iPad, then claims that this is how everything else, from house titles to bank accounts work. Unfortunately, he���s not far off there.
