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Specifying column name in a “references” migration
...want to check out the guide I link for more info on migrations in general, and you may even end up putting calling SQL code directly in your migration. I would say ignore it, as it isn't a normal part of rails, you will get 0 performance out of it, as rails' default generated SQL queries take no adv...
Clearing NSUserDefaults
I'm using +[NSUserDefaults standardUserDefaults] to store application settings. This consists of roughly a dozen string values. Is it possible to delete these values permanently instead of just setting them to a default value?
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pass **kwargs argument to another function with **kwargs
I do not understand the following example, lets say I have these functions:
5 Answers
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How to change cursor from pointer to finger using jQuery?
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If possible, do this via CSS (say with a :hover selector) and avoid jquery altogether.
– The Who
Dec 3 '09 at 23:06
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View a file in a different Git branch without changing branches
...it show branch:file
Where branch can be any ref (branch, tag, HEAD, ...) and file is the full path of the file. To export it you could use
git show branch:file > exported_file
You should also look at VonC's answers to some related questions:
How to retrieve a single file from specific revi...
Understanding Linux /proc/id/maps
I am trying to understand my embedded Linux application's memory use. The /proc/pid/maps utility/file seems to be a good resource for seeing the details. Unfortunately I don't understand all the columns and entries.
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Convert string to Python class object?
... open to anything. If you have malicious, evil users who might maliciously and evilly pass bad values to eval, they can just edit the python source. Since they can just edit the python source, the door is, was, and always will be open.
– S.Lott
Sep 19 '13 at 12...
How can I output leading zeros in Ruby?
... Heh heh, not the best answer, but I didn't know about rjust and I've been using ruby for years. Cheers!
– pauliephonic
Oct 11 '09 at 12:16
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APT command line interface-like yes/no input?
... there any short way to achieve what the APT ( Advanced Package Tool ) command line interface does in Python?
19 Answers
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JavaScript - get the first day of the week from current date
...get the first day of the week. For example: today is the 11th of November, and a Thursday; and I want the first day of this week, which is the 8th of November, and a Monday. I need the fastest method for MongoDB map function, any ideas?
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