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How can I check which version of Angular I'm using?
... edited Apr 2 '19 at 12:26
Kabb5
3,39822 gold badges2929 silver badges4949 bronze badges
answered Apr 15 '13 at 14:35
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How to insert element into arrays at specific position?
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outis
66.3k1717 gold badges125125 silver badges191191 bronze badges
answered Jul 28 '10 at 15:58
ArtefactoArtefacto
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What is the significance of initializing direction arrays below with given values when developing ch
... index of the arrays will make from the central point, X, at 2,2.)
.....
.536.
.1X0.
.724.
.....
The way it is set up, if you do ^1 (^ being bitwise XOR) on the index you get the opposite direction - 0 and 1 are opposites, 2 and 3 are opposites and so on. (Another way to set it up is to go clockw...
What is the difference between Ruby 1.8 and Ruby 1.9
...ion: Use Hash.key
Fixnum.to_sym Now Gone
Ruby 1.9
irb(main):001:0> 5.to_sym
NoMethodError: undefined method 'to_sym' for 5:Fixnum
Ruby 1.8.6
irb(main):001:0> 5.to_sym
=> nil
(Cont'd) Ruby 1.9
# Find an argument value by name or index.
def [](index)
lookup(index.to_sym)
end
sv...
How to compare two strings in dot separated version format in Bash?
Is there any way to compare such strings on bash, e.g.: 2.4.5 and 2.8 and 2.4.5.1 ?
29 Answers
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Reverse Range in Swift
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185
Update For latest Swift 3 (still works in Swift 4)
You can use the reversed() method on a range...
Replace all 0 values to NA
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252
Replacing all zeroes to NA:
df[df == 0] <- NA
Explanation
1. It is not NULL what you s...
How can I obtain the element-wise logical NOT of a pandas Series?
...st of 3: 91.8 µs per loop
In [11]: %timeit ~s
10000 loops, best of 3: 73.5 µs per loop
In [12]: %timeit (-s)
10000 loops, best of 3: 73.5 µs per loop
As of Pandas 0.13.0, Series are no longer subclasses of numpy.ndarray; they are now subclasses of pd.NDFrame. This might have something to do w...
Convert column classes in data.table
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105
For a single column:
dtnew <- dt[, Quarter:=as.character(Quarter)]
str(dtnew)
Classes ‘da...
C char array initialization
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225
This is not how you initialize an array, but for:
The first declaration:
char buf[10] = "";
...