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Convert data.frame column to a vector?
I have a dataframe such as:
11 Answers
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Best way to select random rows PostgreSQL
I want a random selection of rows in PostgreSQL, I tried this:
12 Answers
12
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How to declare an array in Python?
How do I declare an array in Python ?
16 Answers
16
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How to estimate a programming task if you have no experience in it [closed]
I am having a difficult time with management asking for estimates on programming tasks that are using third-party controls that I have no prior experience with.
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Change all files and folders permissions of a directory to 644/755
How would I change all files to 644 and all folders to 755 using chmod from the linux command prompt? (Terminal)
8 Answ...
Haskell function composition (.) and function application ($) idioms: correct use
I have been reading Real World Haskell , and I am nearing the end, but a matter of style has been niggling at me to do with the (.) and ($) operators.
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Dismissing a Presented View Controller
I have a theoretic question. Now İ'm reading Apple's ViewController guide.
13 Answers
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When to use @QueryParam vs @PathParam
I am not asking the question that is already asked here:
What is the difference between @PathParam and @QueryParam
14 Answ...
Strings as Primary Keys in SQL Database [closed]
I am not very familiar with databases and the theories behind how they work. Is it any slower from a performance standpoint (inserting/updating/querying) to use Strings for Primary Keys than integers?
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Remove trailing newline from the elements of a string list
I have to take a large list of words in the form:
7 Answers
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