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Is Zookeeper a must for Kafka?
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10
In fact, kafka designed in a way that even in you go with single broker it is still distributed mode, but with replication factor of 1 -- th...
Print all properties of a Python Class [duplicate]
...simple case you can use vars():
an = Animal()
attrs = vars(an)
# {'kids': 0, 'name': 'Dog', 'color': 'Spotted', 'age': 10, 'legs': 2, 'smell': 'Alot'}
# now dump this in some way or another
print(', '.join("%s: %s" % item for item in attrs.items()))
If you want to store Python objects on the disk...
Refresh a page using JavaScript or HTML [duplicate]
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240
Here are 535 ways to reload a page using javascript, very cool:
Here are the first 20:
locatio...
How do you launch the JavaScript debugger in Google Chrome?
... mplungjan
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answered Sep 15 '08 at 20:08
John SheehanJohn Sheehan
72.7...
How to do exponentiation in clojure?
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edited Feb 20 '11 at 17:42
answered Feb 20 '11 at 17:07
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Remove blank lines with grep
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308
Try the following:
grep -v -e '^$' foo.txt
The -e option allows regex patterns for matching....
How do you run a crontab in Cygwin on Windows?
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edited Mar 3 '14 at 10:12
Sopalajo de Arrierez
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NSLog the method name with Objective-C in iPhone
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Irfan
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answered May 5 '10 at 2:46
drawnonwarddrawnonward
51.7k1515 ...
Separators for Navigation
... background:url('seperator.gif') no-repeat top left;
padding-left: 10px
}
This CSS adds the image to every list item that follows another list item - in other words all of them but the first.
NB. Be aware the adjacent selector (li + li) doesn't work in IE6, so you will have to just add the...
Getting distance between two points based on latitude/longitude
...n, cos, sqrt, atan2, radians
# approximate radius of earth in km
R = 6373.0
lat1 = radians(52.2296756)
lon1 = radians(21.0122287)
lat2 = radians(52.406374)
lon2 = radians(16.9251681)
dlon = lon2 - lon1
dlat = lat2 - lat1
a = sin(dlat / 2)**2 + cos(lat1) * cos(lat2) * sin(dlon / 2)**2
c = 2 * ata...