NSURLConnection, ETag and caching
If you’re using NSURLConnection and using If-None-Match/ETag and you’re depending on getting a 304 status to determine that “nothing changed”, make sure you do this: [request...
View ArticleiTunes & Missing Files
If you’re like me and keep your iTunes files on external disks, you’ll occasionally end up in a situation where the external disk is not available and iTunes ends up marking all your files with an...
View ArticlePython, Sqlite3, FTS3 & MacOSX
If you can’t load FTS3 on a Mac, this post on StackOverflow tells you how to solve the problem. The final bit of magic is in: from pysqlite2 import dbapi2 as sqlite3
View ArticleGood-bye Delicious
Yahoo sold Delicious to another company and for the most part it hasn’t worked for me since the transition. I don’t use the “social” part of the bookmarking: I just try to bookmark every interesting...
View ArticleAdding alpha levels to images with PIL
I recently was tasked by a client with replacing a number of images — PNGs with alpha levels, such that parts of the image were transparent — with new pictures. The issue was how to get the exact same...
View ArticleHow to add XCode '#pragma mark'-like sections for Python code
Just add in your Python comments: # MARK: comment # TODO: comment # FIXME: comment # !!!: comment # ???: comment From here.
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Make INPUT fields select dates using the YUI Calendar Control
Here’s a lengthy Javascript code segment that can be dropped into any of your existing forms that provide for a date selection range. It has the following functionality: clicking a date field pops up a...
View ArticlePIL, libjpeg, jpeg and Mac OS/X Snow Leopard
If you want to the use the Python Imaging Library on Mac OS/X Snow Leopard, these instructions appear to be the best way to to get libjpeg installed: 1. Download the source from...
View ArticleDjango 1.1 and ImageField
Having recently upgraded to Django 1.1, I suddenly started getting the error messages that look like: File "/Library/Python/2.6/site-packages/django/db/models/fields/related.py", line 257, in __get__...
View Article18 Hours of JAR Hell with Android & Google Maps
Yesterday, my experiments came with Android programming came to a crashing halt when I tried to use the Google Maps libraries. No matter what I tried – adding every possible Google Maps SDK, manually...
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