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How do I replace NA values with zeros in an R dataframe?
... posted the question. But I tried know and worked perfectly. I think I was doing something wrong.
– Renato Dinhani
Nov 17 '11 at 14:08
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Are inline virtual functions really a non-sense?
...the function should be inlined without problems - why and if you'd want to do it is another topic :)
– RnR
Apr 9 '09 at 12:12
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Is there an easy way to attach source in Eclipse?
I'm a big fan of the way Visual Studio will give you the comment documentation / parameter names when completing code that you have written and ALSO code that you are referencing (various libraries/assemblies).
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Rails 3 migrations: Adding reference column?
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how do you specify a column name for the foreign key instead the auto generated name?
– j will
Aug 10 '15 at 20:59
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How do you rename a MongoDB database?
... a standalone mongod instance. For replica sets the above would need to be done on every replica node, plus on each node every single oplog entry that refers this database would have to be somehow invalidated or rewritten, and then if it's a sharded cluster, one also needs to add these changes to ev...
Getting the first index of an object
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I've never seen for(i in obj) do things in a different order, are you saying that sometimes for(i in obj) will kick things out in a different order?
– Ryan Florence
May 26 '09 at 5:26
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How do I extract text that lies between parentheses (round brackets)?
... (sales) and I want to extract the text between the brackets, how would I do this?
16 Answers
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How to do date/time comparison
Is there any options in doing date comparison in Go? I have to sort data based on date and time - independently. So I might allow an object that occurs within a range of dates so long as it also occurs within a range of times. In this model, I could not simply just select the oldest date, youngest t...
How to store a list in a column of a database table
...r to a related question , I get it that a "proper" database table column doesn't store a list. Rather, you should create another table that effectively holds the elements of said list and then link to it directly or through a junction table. However, the type of list I want to create will be com...
What are best practices for REST nested resources?
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What you have done is correct. In general there can be many URIs to the same resource - there are no rules that say you shouldn't do that.
And generally, you may need to access items directly or as a subset of something else - so your s...