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How to change text transparency in HTML/CSS?

I'm very new to HTML/CSS and I'm trying to display some text as like 50% transparent. So far I have the HTML to display the text with full opacity ...
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Understanding how recursive functions work

... 107 I think the confusion is stemming from thinking of it as "the same function" being called many ...
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Why is the shovel operator (

... Proof: a = 'foo' a.object_id #=> 2154889340 a << 'bar' a.object_id #=> 2154889340 a += 'quux' a.object_id #=> 2154742560 So << alters the original string rather than creating a new one. The reason for this is that in ruby a += b is syntactic short...
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Sequence contains more than one element

...ault. This method will only succeed when the collections contains exactly 0 or 1 element. I believe you are looking for FirstOrDefault which will succeed no matter how many elements are in the collection. share | ...
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JavaScript get window X/Y position for scroll

... The method jQuery (v1.10) uses to find this is: var doc = document.documentElement; var left = (window.pageXOffset || doc.scrollLeft) - (doc.clientLeft || 0); var top = (window.pageYOffset || doc.scrollTop) - (doc.clientTop || 0); That is: It...
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An efficient way to transpose a file in Bash

..." "a[i,j]; } print str } }' file output $ more file 0 1 2 3 4 5 6 7 8 9 10 11 $ ./shell.sh 0 3 6 9 1 4 7 10 2 5 8 11 Performance against Perl solution by Jonathan on a 10000 lines file $ head -5 file 1 0 1 2 2 3 4 5 3 6 7 8 4 9 10 11 1 0 1 2 $ wc -l < file 10000 $ ti...
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How to swap two variables in JavaScript

...swap the values of two variables. Given variables a and b: b = [a, a = b][0]; Demonstration below: var a=1, b=2, output=document.getElementById('output'); output.innerHTML="<p>Original: "+a+", "+b+"</p>"; b = [a, a = b][0]; output.innerHTML+="<p>Swapped: ...
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“You don't have a SNAPSHOT project in the reactor projects list.” when using Jenkins Maven release p

I'm using SVN, Maven 3.0.3 on the latest version of Jenkins and the Maven Release plugin. I'm trying to use the Maven release plugin (through Jenkins) do a dry run and so am executing the options … ...
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Changing font size and direction of axes text in ggplot2

... 301 Use theme(): d <- data.frame(x=gl(10, 1, 10, labels=paste("long text label ", letters[1:10]...
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Code for a simple JavaScript countdown timer?

I want to use a simple countdown timer starting at 30 seconds from when the function is run and ending at 0. No milliseconds. How can it be coded? ...