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Convert data.frame column format from character to factor
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Hi welcome to the world of R.
mtcars #look at this built in data set
str(mtcars) #allows you to see the classes of the variables (all numeric)
#one approach it to index with the $ sign and the as.factor function
mtcars$am <- ...
What do I return if the return type of a method is Void? (Not void!)
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What is the best data type to use for money in C#?
...ibed at decimal as:
The decimal keyword indicates a 128-bit data type. Compared to
floating-point types, the decimal type has more precision and a
smaller range, which makes it appropriate for financial and monetary
calculations.
You can use a decimal as follows:
decimal myMoney = 300.5...
How to read and write INI file with Python3?
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Order data frame rows according to vector with specific order
...icitly make sure that duplicates are removed prior to firing match(). What comes to mind is duplicated(), unique() or some other custom routine that "keeps" the desired elements while throwing away the others. HTH
– Rappster
Nov 17 '13 at 13:20
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SQLAlchemy: What's the difference between flush() and commit()?
What the difference is between flush() and commit() in SQLAlchemy?
5 Answers
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What is the purpose of AsQueryable()?
...e versions of very generalized helper methods.
It allows you to change the compile time type of a queryable to be an IQueryable, rather than some more derived type. In effect; you'd use it on an IQueryable at the same times that you'd use AsEnumerable on an IEnumerable. You might have an object th...
What is the effect of encoding an image in base64?
... @Blender But in my case when i convert a 70kb bitmap to string its becoming 500kb.Its not 37%.I have compressed a 5mb image to 70kb and then convert that compressed image to string that become 500kb.
– KJEjava48
Apr 19 '17 at 6:05
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Show a PDF files in users browser via PHP/Perl
...t the final code showing which headers you're sending, for anyone else who comes across this question.
– Stephen
Jan 14 '11 at 15:15
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How to update bower.json with installed packages?
In my project I've installed bower components without save option. Now, I would like update to bower.json ?
6 Answers
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