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R programming: How do I get Euler's number?

... The fact that 25000 people have visited this page without complaint until now suggests to me that many people read "Euler's constant" to mean e, and if you change the title, future searchers will fail to find this page. Also, glancing at wikipedia, it seems this reading of "Euler's constant" is qui...
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How can I disable ARC for a single file in a project?

...s and mock objects) where the rules of ARC are a little more fragile right now. I recall hearing that there was a way to disable ARC on a per-file basis, though I have been unable to find this option. ...
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Node.js spawn child process and get terminal output live

...s for a second, outputs 'hi', sleeps for 1 second, and so on and so forth. Now I thought I would be able to tackle this problem with this model. ...
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Why should I not include cpp files and instead use a header?

... To the best of my knowledge, the C++ standard knows no difference between header files and source files. As far as the language is concerned, any text file with legal code is the same as any other. However, although not illegal, including sou...
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What's a concise way to check that environment variables are set in a Unix shell script?

...by the wayside. But if you come across a script that starts with a colon, now you will know why. Position of double quotes blong asked in a comment: Any thoughts on this discussion? https://github.com/koalaman/shellcheck/issues/380#issuecomment-145872749 The gist of the discussion is: … Howe...
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How to implement “confirmation” dialog in Jquery UI dialog?

... 50); } $(this).dialog('destroy'); } } }); } Now to use this in your code, simply write following myConfirm('Do you want to delete this record ?', function () { alert('You clicked OK'); }, function () { alert('You clicked Cancel'); }, 'Confirm Delete' ); ...
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How to install plugins to Sublime Text 2 editor?

...me, type in install and press enter, then search for emmet. EDIT: You can now also press Ctrl + Shift + P right away and use the command 'Install Package Control' instead of following the install instructions. (Tested on Build 3126) ...
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SLF4J: Failed to load class “org.slf4j.impl.StaticLoggerBinder”. error

...gt; <version>1.5.6</version> </dependency> Let me know if error is still not resolved I also recomend you to see this link share | improve this answer | ...
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CSS3 Rotate Animation

... 2017: This is now very well supported and a preferred way to do non-infinite rotations. -webkit- prefix is no longer needed and can be safely removed. Browser support: caniuse.com/#search=transforms – Alph.Dev ...
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What is the difference between jQuery's mouseout() and mouseleave()?

...eaves the tooltip won't be displayed. This will work 99% of the time. But now let's say the element you have a tooltip attached to is a button with a click event, and let's also assume this button prompts the user with either a confirm or alert box. The user clicks the button and the alert fires. T...