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Outline effect to text

...stroked text: .strokeme { color: white; text-shadow: -1px -1px 0 #000, 1px -1px 0 #000, -1px 1px 0 #000, 1px 1px 0 #000; } <div class="strokeme"> This text should have a stroke in some browsers </div> I have made a demo for you here And a hovered example is avai...
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Selecting pandas column by location

...t come to mind: >>> df A B C D 0 0.424634 1.716633 0.282734 2.086944 1 -1.325816 2.056277 2.583704 -0.776403 2 1.457809 -0.407279 -1.560583 -1.316246 3 -0.757134 -1.321025 1.325853 -2.513373 4 1.366180 -1.265185 -2.184617 0.881514 >>> df...
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How to create a inset box-shadow only on one side?

... 240 This is what you are looking for. It has examples for each side you want with a shadow. .top-box...
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How to randomize (or permute) a dataframe rowwise and columnwise?

... Given the R data.frame: > df1 a b c 1 1 1 0 2 1 0 0 3 0 1 0 4 0 0 0 Shuffle row-wise: > df2 <- df1[sample(nrow(df1)),] > df2 a b c 3 0 1 0 4 0 0 0 2 1 0 0 1 1 1 0 By default sample() randomly reorders the elements passed as the first argument. This m...
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pandas DataFrame: replace nan values with average of columns

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Get operating system info

... 202 The code below could explain in its own right, how http://thismachine.info/ is able to show whi...
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What is the difference between float and double?

...re calculated: double has 52 mantissa bits + 1 hidden bit: log(253)÷log(10) = 15.95 digits float has 23 mantissa bits + 1 hidden bit: log(224)÷log(10) = 7.22 digits This precision loss could lead to greater truncation errors being accumulated when repeated calculations are done, e.g. float a = 1...
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How to sort an array in descending order in Ruby

...Here's what I found out: #!/usr/bin/ruby require 'benchmark' ary = [] 1000.times { ary << {:bar => rand(1000)} } n = 500 Benchmark.bm(20) do |x| x.report("sort") { n.times { ary.sort{ |a,b| b[:bar] <=> a[:bar] } } } x.report("sort reverse") { n.times {...
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Regex to validate date format dd/mm/yyyy

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jQuery animate backgroundColor

... g.elem.style[e] = "rgb(" + [Math.max(Math.min(parseInt((g.pos * (g.end[0] - g.start[0])) + g.start[0]), 255), 0), Math.max(Math.min(parseInt((g.pos * (g.end[1] - g.start[1])) + g.start[1]), 255), 0), Math.max(Math.min(parseInt((g.pos * (g.end[2] - g.start[2])) + g.start[2]), 255), 0)].join(",") ...