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How can I check if a command exists in a shell script? [duplicate]
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Ivan TarasovIvan Tarasov
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Rails 2.3-style plugins and deprecation warnings running task in Heroku
...uby Support 2013-10-26)
The rails_12factor gem is also required in rails 4.
If this gem is not present in your application, you will receive a
warning while deploying, and your assets and logs will not be
functional. (Rails 4 on Heroku 2013-10-26)
As recently as 2013-08, heroku always in...
How to calculate the number of occurrence of a given character in each row of a column of strings?
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143
The stringr package provides the str_count function which seems to do what you're interested in...
How do I connect to a MySQL Database in Python?
... Reboot. This is not mandatory, But it will prevent me from answering 3 or 4 other questions in this post if something goes wrong. So please reboot.
Then it is just like using any other package :
#!/usr/bin/python
import MySQLdb
db = MySQLdb.connect(host="localhost", # your host, usually local...
Passing data to a bootstrap modal
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545
I think you can make this work using jQuery's .on event handler.
Here's a fiddle you can test;...
How do I use JDK 7 on Mac OSX?
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Ben S
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answered May 1 '12 at 11:54
MukundMukund...
Why dict.get(key) instead of dict[key]?
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1074
It allows you to provide a default value if the key is missing:
dictionary.get("bogus", default...
Learning about LINQ [closed]
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Chris SChris S
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Changing every value in a hash in Ruby
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answered Mar 4 '11 at 3:17
PhrogzPhrogz
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How do I set up IntelliJ IDEA for Android applications?
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edited Nov 19 '14 at 19:51
soshial
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ans...