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Is there a way to check which CSS styles are being used or not used on a web page?
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Install the CSS Usage add-on for Firebug and run it on that page. It will tell you which styles are being used and not used by that page.
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How can I get the current date and time in UTC or GMT in Java?
...nce a fixed epoch, the value within java.util.Date is the same around the world at any particular instant, regardless of local time zone.
I suspect the problem is that you're displaying it via an instance of Calendar which uses the local timezone, or possibly using Date.toString() which also uses t...
Check if SQL Connection is Open or Closed
How do you check if it is open or closed I was using
9 Answers
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Android REST client, Sample?
...s thread has accepted answer, feel free to propose other ideas, you do use or like
7 Answers
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How to check for an active Internet connection on iOS or macOS?
... if I have an Internet connection on iOS using the Cocoa Touch libraries or on macOS using the Cocoa libraries.
43 Answ...
Are arrays in PHP copied as value or as reference to new variables, and when passed to functions?
1) When an array is passed as an argument to a method or function, is it passed by reference, or by value?
8 Answers
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How can I get the max (or min) value in a vector?
How can I get the max (or min) value in a vector in C++ ?
10 Answers
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Update built-in vim on Mac OS X
I know this might be more appropriate at Ask Different, but as I tried adding tags there, there was no vim tag, only macvim . So I figured I might get a better audience here.
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Heavy usage of Python at Google [closed]
Google's heavy usage of Python, is it just a matter of taste or does it give them a competitive advantage?
4 Answers
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What exactly are DLL files, and how do they work?
How exactly do DLL files work? There seems to be an awful lot of them, but I don't know what they are or how they work.
9 A...