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Prepend a level to a pandas MultiIndex
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cs95
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answered Feb 7 '17 at 16:11
okartalokartal
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Returning a boolean from a Bash function
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Change Bootstrap input focus blue glow
...olor"]:focus,
.uneditable-input:focus {
border-color: rgba(126, 239, 104, 0.8);
box-shadow: 0 1px 1px rgba(0, 0, 0, 0.075) inset, 0 0 8px rgba(126, 239, 104, 0.6);
outline: 0 none;
}
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PHP append one array to another (not array_push or +)
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edited Dec 10 '16 at 11:25
Community♦
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answered Nov 24 '10 at 16:16
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Slicing of a NumPy 2d array, or how do I extract an mxm submatrix from an nxn array (n>m)?
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As Sven mentioned, x[[[0],[2]],[1,3]] will give back the 0 and 2 rows that match with the 1 and 3 columns while x[[0,2],[1,3]] will return the values x[0,1] and x[2,3] in an array.
There is a helpful function for doing the first example I gave, n...
What is the easiest way to push an element to the beginning of the array?
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390
What about using the unshift method?
ary.unshift(obj, ...) → ary
Prepends objects to the...
How to add leading zeros?
...f digits to begin with, so let's try a harder example of making powers of 10 width 8 too.
anim <- 25499:25504
x <- 10 ^ (0:5)
paste (and it's variant paste0) are often the first string manipulation functions that you come across. They aren't really designed for manipulating numbers, but ...
Regex to check whether a string contains only numbers [duplicate]
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Mike SamuelMike Samuel
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How to stop app that node.js express 'npm start'
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answered Apr 24 '14 at 2:06
Evan CarrollEvan Carroll
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How do I represent a hextile/hex grid in memory?
...ex grids also)
– amitp
Jun 7 '13 at 0:58
I find the blog super confusing, using x,y,z and q,r,s then the implementatio...