Some Gotchas with using svndumpfilter
A few things: 1. svndumpfilter can take multiple args, e.g. $ svndumpfilter include /x /y /z > mydump to include /x, and /y, and /z. It can’t, however, do both include and exclude at once. In...
View ArticleQuick Django Foreign-key Gotcha
When your Django app poops out with: 'RelatedManager' object is not callable The problem might be that you’re trying to call up related fields via a foreign key field type’s auto-generated...
View ArticleMySQL silently ignores aggregate query errors by default
In a SQL query, if you use aggregate functions (min, max, count, sum, etc.) and mix them with non-aggregate columns, you have to indicate how to “group” things. Otherwise, the output is not...
View ArticleTrueCrypt breaks after OS X 10.8 (Mountain Lion) upgrade
1. You run TrueCrypt as before, and once you finally remember your passphrase and type it correctly, you get an error: “the MacFUSE file system is not available (71)” 2. You look around and you still...
View ArticleNever Trust Microsoft Products On Mac OS X
In Microsoft Word 2008 for Mac OS X, if you open a “Find” dialog, and if it has focus, it will capture cmd-S (the universal “Save” command) and cause it to toggle the “sounds like” option in advanced...
View ArticleVagrant/Ansible SSH problem with older OpenSSH lacking ControlPersist
Intro; skip to the meat below if you found this through a google search on the error about “-c ssh … ControlPersist” Vagrant is a Ruby-based abstraction layer that manages a mixture of VirtualBox (or...
View Articles3put fails with ssl.CertificateError suddenly after upgrade
We had been using periods / dots in Amazon S3 bucket names in order to create some semblance of namespace / order. Pretty common convention. A short while ago a cron job doing backups stopped working...
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