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Set up a scheduled job?
... acts as a timer, and you have a very nice Django admin interface into the scripts to run.
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Counting null and non-null values in a single query
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As i understood your query, You just run this script and get Total Null,Total NotNull rows,
select count(*) - count(a) as 'Null', count(a) as 'Not Null' from us;
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How to load db:seed data into test database automatically?
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The db:seed rake task primarily just loads the db/seeds.rb script. Therefore just execute that file to load the data.
load "#{Rails.root}/db/seeds.rb"
# or
Rails.application.load_seed
Where to place that depends on what testing framework you are using and whether you want it to ...
Command-line svn for Windows?
...s perfect command line svn alternative, because the other linux tools, and scripting possibilities. You need to select subversion package in cygwin setup, to access svn commands.
– voji
Oct 25 '15 at 7:08
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Run a single migration file
...B) which relies on the fact that require returns an array of class names:
script/runner 'require("db/migrate/20090408054532_add_foos.rb").first.constantize.up'
Note that if you do this, it probably won't update the schema_migrations table, but it seems like that's what you want anyway.
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How to print third column to last column?
...ppropriate to accept answer other than awk. What if people need it for awk scripts? This answer should've just been a comment.
– syaz
Nov 1 '10 at 4:17
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What is the quickest way to HTTP GET in Python?
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Here is a wget script in Python:
# From python cookbook, 2nd edition, page 487
import sys, urllib
def reporthook(a, b, c):
print "% 3.1f%% of %d bytes\r" % (min(100, float(a * b) / c * 100), c),
for url in sys.argv[1:]:
i = url.rf...
How to convert a string with comma-delimited items to a list in Python?
...'s not worth the potential security hazard for anything more than personal scripts and fiddling in an interactive shell.
– A. Wilson
Jan 25 '13 at 20:19
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apc vs eaccelerator vs xcache
...ther cache out there and uses less memeory to do so. It comes with a nifty script to view cache utilisation and clear the cache etc. eAccelerator is compatible with xdebug and Zend Optimizer.
APC is being included in PHP because it is being maintained by the PHP developers. It performs very well, b...
How to negate specific word in regex? [duplicate]
... words you want to negate.
Regular expressions usually mean you're doing scripting or some sort of low-performance task anyway, so find a solution that is easy to read, easy to understand and easy to maintain.
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