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One-line list comprehension: if-else variants
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342
x if y else z is the syntax for the expression you're returning for each element. Thus you nee...
jQuery - multiple $(document).ready …?
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356
All will get executed and On first Called first run basis!!
<div id="target"></div&g...
warning: implicit declaration of function
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236
You are using a function for which the compiler has not seen a declaration ("prototype") yet.
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How do I replace NA values with zeros in an R dataframe?
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See my comment in @gsk3 answer. A simple example:
> m <- matrix(sample(c(NA, 1:10), 100, replace = TRUE), 10)
> d <- as.data.frame(m)
V1 V2 V3 V4 V5 V6 V7 V8 V9 V10
1 4 3 NA 3 7 6 6 10 6 5
2 9 8 9 5 10 NA 2 1 7 ...
Select every Nth element in CSS
...;/h1>
<div>1</div> <div>2</div>
<div>3</div> <div>4</div>
<h2></h2>
<div>5</div> <div>6</div>
<div>7</div> <div>8</div>
<h2></h2>
<div>9</div> <...
How to exclude particular class name in CSS selector?
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3 Answers
3
Active
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How do I break out of a loop in Perl?
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answered Nov 19 '08 at 20:23
Zain RizviZain Rizvi
20.7k1717 gold badges7878 silver badges118118 bronze badges
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SVG fill color transparency / alpha?
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Abhi Beckert
30.5k1111 gold badges7777 silver badges105105 bronze badges
answered May 18 '11 at 9:32
Williham Totl...
Set a persistent environment variable from cmd.exe
...future command windows but not in the current CMD.exe command window.
3) On a remote system, variables created or modified by this tool will be available at the next logon session.
In PowerShell, the [Environment]::SetEnvironmentVariable command.
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