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Ruby: require vs require_relative - best practice to workaround running in both Ruby =1.
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The backports gem now allows individual loading of backports.
You could then simply:
require 'backports/1.9.1/kernel/require_relative'
# => Now require_relative works for all versions of Ruby
This require will not affect newer versions,...
A gentle tutorial to Emacs/Swank/Paredit for Clojure
...some of the others are quite outdated, whereas these two seem to be ok for now:
in which are found tricks of the trade concerning clojure authorship post on Phil Hagelberg's blog; Phil maintains swank-clojure and clojure-mode, as well as a package called the Emacs Starter Kit which is something an...
How to find a deleted file in the project commit history?
Once upon a time, there was a file in my project that I would now like to be able to get.
9 Answers
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How to uninstall editable packages with pip (installed with -e)
... install --editable .
Uninstall:
rm -r $(find . -name '*.egg-info')
Now you can use:
pip uninstall package_name
or python setup.py develop --uninstall or python setup.py develop -u
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I forgot the password I entered during postgres installation
...local all all trust
to
host all all 127.0.0.1/32 trust
you can now connect as any user. Connect as the superuser postgres (note, the superuser name may be different in your installation. In some systems it is called pgsql, for example.)
psql -U postgres
or
psql -h 127.0.0.1 -U postgre...
Skip certain tables with mysqldump
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Thank you! Worked perfectly... I don't know how I missed that.
– Zac
Jan 8 '09 at 17:39
21
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Accessing the logged-in user in a template
...anything in the controller. The user is accessible like that : app.user.
Now, you can access every property of the user. For example, you can access the username like that : app.user.username.
Warning, if the user is not logged, the app.user is null.
If you want to check if the user is logged, y...
How can prepared statements protect from SQL injection attacks?
...t exactly true. MySQL has supported prepared statements for quite a while now. The PDO driver has as well. But yet, MySQL queries were still prepared by PDO by default, last time i checked.
– cHao
Aug 18 '13 at 9:32
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GitHub Error Message - Permission denied (publickey)
Anybody seen this error and know what to do?
36 Answers
36
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What do I have to do to get Core Data to automatically migrate models?
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I've now found out that this is quite simple - once you know where to look.
In my AppDelegate I set-up the NSPersistentStoreCoordinator - and you need to add some options to this to tell it to handle auto-migrate:
NSDictionary *...