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How to express infinity in Ruby?

...nteger and that value and it seems to be working fine. I am just wondering now if this is safe! – Amokrane Chentir Apr 25 '11 at 12:38 1 ...
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Key hash for Android-Facebook app

...d it.It contain nothing except one file with some data. Please help me to know more. – Ravikiran Feb 8 '12 at 8:42 2 ...
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How to escape single quotes in MySQL

...y number of columns you want (or not wrap at all) and it will still work. Now, to load this into MySQL: INSERT INTO my_table (text) VALUES (FROM_BASE64(' SWtGb0xDSWdUbVZoY214NUlFaGxZV1JzWlhOeklFNXBZMnNnZD JGMlpXUWdZVzRnWld4bFoyRnVkQ0JvWVc1a0xDQWlZU0J0WVhS MFpYCklnYjJZZ2JtOGdhVzF3YjNKMFlXNWpaUzRnTGl...
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Is a GUID unique 100% of the time?

... If you're like me, then you'll want to know that 2^128 written out is approximately: 34,028,236,692,093,846,346,337,460,743,177,000,000. Statistically, if you calculated 1000 GUIDs every second, it would still take trillions of years to get a duplicate. ...
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How can I mix LaTeX in with Markdown? [closed]

...addplot3[ surf, ] {exp(-x^2-y^2)*x}; \end{axis} \end{tikzpicture} And now, just a few words to terminate: > Goodbye folks! Which can be converted to LaTeX using commands like this: pandoc -s -i Hello.md -o Hello.tex Following is an image of the converted Hello.md to Hello.pdf file using Mi...
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Is there a way to get element by XPath using JavaScript in Selenium WebDriver?

...tByXPath function that has support for IE but some basic xpath support for now. There is also a function getElementXpath in there and they work nicely together for what I needed. gist.github.com/Joopmicroop/10471650 – joopmicroop Apr 11 '14 at 14:15 ...
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How do I make an html link look like a button?

... you could also make the button do a redirect in javascript. but now it's not a link - can't "copy link address to clipboard", middle click to open in new tab etc, preview the link target by hovering over it with the mouse etc. – Alexander Taylor Oct ...
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No empty constructor when create a service

... I don´t know if it is documented anywhere, but if you want to instantiate inner non static classes, the outer class must be instantiated first. Now if you start a service, the instance is created by the system, which won´t know that ...
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How to sleep for five seconds in a batch file/cmd [duplicate]

...ly valid public IP address. Theoretically, it may be reached. It's offline now because I suspect their owners gave up hope to use it for anything but pings from all over the world :) For more details on this IP see serverfault.com/a/339782. It's saver to either use 127.0.0.1 as suggested by Cybergi...
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Error while installing json gem 'mkmf.rb can't find header files for ruby'

...ols ruby -rrbconfig -e 'puts RbConfig::CONFIG["rubyhdrdir"]' This should now correctly print /Library/Developer/CommandLineTools/SDKs/MacOSX10.14.sdk/System/Library/Frameworks/Ruby.framework/Versions/2.3/usr/include/ruby-2.3.0 Likewise, gem install should work while that SDK is selected. To sw...