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Python call function within class
I have this code which calculates the distance between two coordinates. The two functions are both within the same class.
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Devise - How do I forbid certain users from signing in?
I am using Devise for authentication in my application.
4 Answers
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shell init issue when click tab, what's wrong with getcwd?
... that directory (from within a script or whatever). To get rid of this, in case your current directory was recreated in the meantime, just cd to another (existing) directory and then cd back; the simplest would be: cd; cd -.
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jQuery append fadeIn
... agree completely, this approach will avoid the one frame render that will cause a flicker... just that bit more finesse
– Paul Carroll
Apr 28 '14 at 5:55
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Memcache(d) vs. Varnish for speeding up 3 tier web architecture
...(3 tier web architecture), and I have some general questions related to Memcache(d) and Varnish.
2 Answers
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Python argparse command line flags without arguments
... a look at http://docs.python.org/dev/library/argparse.html#action (specifically store_true and store_false)
import argparse
parser = argparse.ArgumentParser()
parser.add_argument('-w', action='store_true')
where action='store_true' implies default=False.
Conversely, you could haveaction='store...
Akka Kill vs. Stop vs. Poison Pill?
...is synchronous vs. Poison pill is asynchronous." But in what way? Does the calling actor thread lock during this time? Are the children actors notified during kill, post-stop envoked, etc? Example uses of one concept vs. the other?
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Are PostgreSQL column names case-sensitive?
...rs (including column names) that are not double-quoted are folded to lower case in PostgreSQL. Column names that were created with double-quotes and thereby retained upper-case letters (and/or other syntax violations) have to be double-quoted for the rest of their life: ("first_Name")
So, yes, Post...
Compare two Byte Arrays? (Java)
... toByteArray() is the same as the reference held in array, which of course can never be true. In addition, array classes don't override .equals() so the behavior is that of Object.equals() which also only compares the reference values.
To compare the contents of two arrays, static array comparison...
Define static method in source-file with declaration in header-file in C++
...tatic in the method definition would mean only other methods in that class can access that static method, no other methods outside that class.
– ABV
May 12 '11 at 15:42
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