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What is the ideal data type to use when storing latitude / longitude in a MySQL database?
...example, they store the lat/lng values as "Float" with a length of "10,6"
http://code.google.com/apis/maps/articles/phpsqlsearch.html
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git - diff of current changes before committing
...ll be formed by git commit.
P. S. Good reading (IMO) for Git beginners:
https://git-scm.com/book/en/v2 (most chapters; it explains the model behind Git and answers most of typical questions)
and then immediately http://gitready.com/ (usage tips).
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Can you attach Amazon EBS to multiple instances?
...REALLY_BAD_IDEA_. To quote Kekoa, "this is like using a hard drive in two computers at once"
Why is this a bad idea? ...
The reason you can't attach a volume to more than one instance is that EBS provides a "block storage" abstraction upon which customers run a filesystem like ext2/ext3/etc. Mos...
Is there anything like inotify on Windows?
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If you're using .net, use FileSystemWatcher. More info here: http://msdn.microsoft.com/en-us/library/system.io.filesystemwatcher.aspx
If you're using C, use FindFirstChangeNotification, FindNextChangeNotification, ReadDirectoryChangesW. More info here: http://msdn.microsoft.com/en-us/...
How can I use xargs to copy files that have spaces and quotes in their names?
I'm trying to copy a bunch of files below a directory and a number of the files have spaces and single-quotes in their names. When I try to string together find and grep with xargs , I get the following error:
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File being used by another process after using File.Create()
I'm trying to detect if a file exists at runtime, if not, create it. However I'm getting this error when I try to write to it:
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How to overwrite the previous print to stdout in python?
...the next line:
for x in range(10):
print '{0}\r'.format(x),
print
The comma at the end of the print statement tells it not to go to the next line. The last print statement advances to the next line so your prompt won't overwrite your final output.
Update
Now that Python 2 is EOL, a Python 3 ans...
CSS filter: make color image with transparency white
...ilter: brightness(0) invert(1);
}
<p>
Original:
<img src="http://i.stack.imgur.com/jO8jP.gif" />
</p>
<p>
Filter:
<img src="http://i.stack.imgur.com/jO8jP.gif" class="filter" />
</p>
First, brightness(0) makes all image black, except transp...
sed or awk: delete n lines following a pattern
How would I mix patterns and numeric ranges in sed (or any similar tool - awk for example)? What I want to do is match certain lines in a file, and delete the next n lines before proceeding, and I want to do that as part of a pipeline.
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PHP regular expressions: No ending delimiter '^' found in
...need the capturing group, and can simplify the regex to /^\d+$/.
Example: http://ideone.com/Ec3zh
See also: PHP - Delimiters
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