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How to draw a path on a map using kml file?
... I can see.
To display the route, you should parse the kml data i.e. via SAX parser, then display the route markers on the map.
See the code below for an example, but it's not complete though - just for you as a reference and get some idea.
This is a simple bean I use to hold the route information...
Warning: mysql_connect(): [2002] No such file or directory (trying to connect via unix:///tmp/mysql.
...
For some reason mysql on OS X gets the locations of the required socket file a bit wrong, but thankfully the solution is as simple as setting up a symbolic link.
You may have a socket (appearing as a zero length file) as /tmp/mysql.sock or /var/mysql/m...
How to use Elasticsearch with MongoDB?
...gh many blogs and sites about configuring Elasticsearch for MongoDB to index Collections in MongoDB but none of them were straightforward.
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How do I find the location of Python module sources?
...Python module is installed? Is the method different on Windows than on Linux?
18 Answers
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Cropping an UIImage
...ateWithImageInRect(CGImageRef, CGRect) will help you out.
Here's a short example using it:
CGImageRef imageRef = CGImageCreateWithImageInRect([largeImage CGImage], cropRect);
// or use the UIImage wherever you like
[UIImageView setImage:[UIImage imageWithCGImage:imageRef]];
CGImageRelease(imageRe...
Python dictionary: Get list of values for list of keys
...ist comprehension seems to be a good way to do this:
>>> [mydict[x] for x in mykeys]
[3, 1]
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Haskell: Converting Int to String
...anizations/standards strongly discourage the use of "show" because of its extreme polymorphism. A type-specific function (or, worst case, wrapper around show) would be helpful.
– Jon Watte
Mar 27 '15 at 16:34
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How can I improve my paw detection?
...e objects, so you could get the region of the data for each paw with [data[x] for x in data_slices]. Instead, we'll draw a rectangle based on these slices, which takes slightly more work.
The two animations below show your "Overlapping Paws" and "Grouped Paws" example data. This method seems to...
What are the most interesting equivalences arising from the Curry-Howard Isomorphism?
...rly fascinated by it. It implies that for every programming concept there exists a precise analogue in formal logic, and vice versa. Here's a "basic" list of such analogies, off the top of my head:
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Argparse: Required argument 'y' if 'x' is present
...sets of options.
The simplest way to deal with this would be:
if args.prox and (args.lport is None or args.rport is None):
parser.error("--prox requires --lport and --rport.")
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