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Pip freeze vs. pip list
...you are using a virtualenv, you can specify a requirements.txt file to install all the dependencies.
A typical usage:
$ pip install -r requirements.txt
The packages need to be in a specific format for pip to understand, which is
feedparser==5.1.3
wsgiref==0.1.2
django==1.4.2
...
That is the ...
Solving a “communications link failure” with JDBC and MySQL [duplicate]
...hat have been mentioned in different web sites, but non of them worked. Finally I changed my code and found out what was the problem. I'll try to tell you about different approaches and sum them up here.
While I was seeking the internet to find the solution for this error, I figured out that there ...
How do I programmatically click a link with javascript?
...
Actually, so far it worked in all browsers I tried, including IE, Safari, Chrome, Firefox and Opera.
– arik
Jan 29 '12 at 17:17
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Rails: How to get the model class name based on the controller class name?
...ntroller
def index
# Equivalent of @house_buyers = HouseBuyer.find(:all)
objects = controller_name.classify.constantize.find(:all)
instance_variable_set("@#{controller_name}", objects)
end
end
share
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What are all the common undefined behaviours that a C++ programmer should know about? [closed]
What are all the common undefined behaviours that a C++ programmer should know about?
11 Answers
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How to show all privileges from a user in oracle?
Can someone please tell me how to show all privileges/rules from a specific user in the sql-console?
6 Answers
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PostgreSQL naming conventions
.... Postgresql treats identifiers case insensitively when not quoted (it actually folds them to lowercase internally), and case sensitively when quoted; many people are not aware of this idiosyncrasy. Using always lowercase you are safe. Anyway, it's acceptable to use camelCase or PascalCase (or UPPER...
How to check for a valid Base64 encoded string
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calling base64String.Contains multiple times may result in poor performance incase of base64String being a large string.
– NucS
Jul 23 '15 at 11:46
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How does Rails keep track of which migrations have run for a database?
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Rails creates a table in your database called schema_migrations to keep track of which migrations have run.
The table contains a single column, version. When Rails runs a migration, it takes the leading digits in the migration's file name and inserts a row for that "version",...
Git: “Not currently on any branch.” Is there an easy way to get back on a branch, while keeping the
... hash of last commit. Checkout the branch you wish to be at, and git merge _hash_
– Daniel
May 31 '12 at 13:31
BE REAL...