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Why can outer Java classes access inner class private members?
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This answer explains why nested classes have access to private members of their outer class. But the question is why does the outer class have access to private members of nested classes.
– Andrew
F...
In javascript, is an empty string always false as a boolean?
...null are always evaluated as false; everything else is true.
And in your example, b is false after evaluation. (I think you mistakenly wrote true)
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Setting the MySQL root user password on OS X
I just installed MySQL on Mac OS X. The next step was setting the root user password, so I did this next:
23 Answers
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How can I debug git/git-shell related problems?
..._TRACE options, beyond the core one. Here's the über-verbose option: set -x; GIT_TRACE=2 GIT_CURL_VERBOSE=2 GIT_TRACE_PERFORMANCE=2 GIT_TRACE_PACK_ACCESS=2 GIT_TRACE_PACKET=2 GIT_TRACE_PACKFILE=2 GIT_TRACE_SETUP=2 GIT_TRACE_SHALLOW=2 git pull origin master -v -v; set +x
– Paul...
Should struct definitions go in .h or .c file?
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| int other_stuff; | | extern void |
| }; | | api_func(struct s *foo, int x); |
| | +---------------------------------+
| extern void | +-----...
Warning: mysql_connect(): [2002] No such file or directory (trying to connect via unix:///tmp/mysql.
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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 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...
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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