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How to implement has_many :through relationships with Mongoid and mongodb?
Using this modified example from the Rails guides , how does one model a relational "has_many :through" association using mongoid?
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In Unix, how do you remove everything in the current directory and below it?
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Practice safe computing. Simply go up one level in the hierarchy and don't use a wildcard expression:
cd ..; rm -rf -- <dir-to-remove>
The two dashes -- tell rm that <dir-to-remove> is not a command-line option, even when it begins with a dash.
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How to reload a page using JavaScript
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@ShivanRaptor Usually none, in web browsers context, location is the same as window.location as window is the global object.
– Lekensteyn
Dec 20 '13 at 9:48
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How to retrieve the dimensions of a view?
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I believe the OP is long gone, but in case this answer is able to help future searchers, I thought I'd post a solution that I have found. I have added this code into my onCreate() method:
EDITED: 07/05/11 to include code from comments:
final TextVie...
What is the difference between save and insert in Mongo DB?
...en no _id specified/no matching document, it inserts the document as a new one.
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Getting the current Fragment instance in the viewpager
...pdate that I have to call a method which is in the fragment class. Can someone please suggest how to call that method?
30 A...
How to have favicon / icon set when bookmarklet dragged to toolbar?
...I don't get this. When you drag a bookmarklet to your favourites bar (like one does with the Delicious bookmarklet here) what runs this code? I don't see why the bookmarklet would be clicked (and the code run) until after it's saved to the favourites bar, i.e. after the browser has settled on its ic...
Correct Bash and shell script variable capitalization
...as to avoid conflicts with shell commands. We recently had the hostname of one of our servers accidentally changed to '=' because a script used a variable 'hostname'.
– ThisSuitIsBlackNot
Sep 25 '11 at 18:06
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Why do we need a fieldset tag?
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Of course, one could make the argument that the disabled attribute as it functions for fieldsets and form controls, should rightfully have been implemented for the form element as well. It would make sense for it, would it not?
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What is Python used for? [closed]
... a = 5, but assigning a = "hello" would have been a compile time error. On one hand, this makes everything more unpredictable (you don't know what a refers to). On the other hand, it makes very easy to achieve some results a static typed languages makes very difficult.
Python is strongly typed. It m...