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What does the unary plus operator do?
... and tend to relate to the consequences of using a value in an arithmetic expression, rather than the operator itself. For example, it can be used to force widening from smaller integral types to int, or ensure that an expression's result is treated as an rvalue and therefore not compatible with a ...
Which equals operator (== vs ===) should be used in JavaScript comparisons?
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Choosing between qplot() and ggplot() in ggplot2 [closed]
...on depends on whether data is stored in data.frame or separate variables.
x<-1:10
y<-rnorm(10)
qplot(x,y, geom="line") # I will use this
ggplot(data.frame(x,y), aes(x,y)) + geom_line() # verbose
d <- data.frame(x, y)
qplot(x, y, data=d, geom="line")
ggplot(d, aes(x,y)) + geom_line() # ...
Reading a binary file with python
...ry file, but in this case I don't know the byte structure in details. For example, I figured out that sometimes there is the integer 8. However, with IDL it is really simple to read this data. Can I do the same with python?
– Brian
Jan 4 '12 at 9:45
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How do I output coloured text to a Linux terminal?
How do I print coloured characters to a Linux terminal that supports it?
13 Answers
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Finding the index of elements based on a condition using python list comprehension
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In Python, you wouldn't use indexes for this at all, but just deal with the values—[value for value in a if value > 2]. Usually dealing with indexes means you're not doing something the best way.
If you do need an API similar to Matlab's, you would use...
How to set top-left alignment for UILabel for iOS application?
...ts required to have top-left alignment for that lable. As I am providing text at runtime so its not sure that how much lines there are.
So if text contains only single line then it appears as vertical-center aligned. That alignment is not matching with my respective lable in front of it.
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Converting an integer to a hexadecimal string in Ruby
Is there a built in way to convert an integer in Ruby into its hexadecimal equivalent?
5 Answers
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Usage of protocols as array types and function parameters in swift
...a variant of a problem with protocols in Swift for which no good solution exists yet.
See also Extending Array to check if it is sorted in Swift?, it contains suggestions on how to work around it that may be suitable for your specific problem (your question is very generic, maybe you can find a wor...
Programmatically Determine a Duration of a Locked Workstation?
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Tested 100% on Windows 7 x64 and Windows 10 x64.
– Contango
Jan 5 '17 at 17:15
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