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Margin-Top not working for span element?

...Unlike div, p 1 which are Block Level elements which can take up margin on all sides,span2 cannot as it's an Inline element which takes up margins horizontally only. From the specification: Margin properties specify the width of the margin area of a box. The 'margin' shorthand property sets t...
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Ruby 2.0.0p0 IRB warning: “DL is deprecated, please use Fiddle”

I just uninstalled my older versions of Ruby, removed all of my gems (including Rails), and installed Ruby 2.0. In other words, a totally clean re-install. Upon starting IRB, I received this message: ...
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resize ipython notebook output window

By default the ipython notebook ouput is limited to a small sub window at the bottom. This makes us force to use separate scroll bar that comes with the output window, when the output is big. ...
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Running a cron job on Linux every six hours

..., since cron runs with an extensively cut-down environment. You won't have all the environment variables you have in your interactive shell session. It's a good idea to specify an absolute path to your script/binary, or define PATH in the crontab itself. To help debug any issues I would also redire...
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Selecting text in an element (akin to highlighting with your mouse)

...Range(); range.selectNodeContents(node); selection.removeAllRanges(); selection.addRange(range); } else { console.warn("Could not select text in node: Unsupported browser."); } } const clickable = document.querySelector('.click-me'); clickable.addEv...
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Setting an object to null vs Dispose()

...When you write a using statement, it's simply syntactic sugar for a try/finally block so that Dispose is called even if the code in the body of the using statement throws an exception. It doesn't mean that the object is garbage collected at the end of the block. Disposal is about unmanaged resourc...
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jQuery scroll to element

... This will not work in all cases. See stackoverflow.com/questions/2905867/… – Jānis Elmeris Apr 25 '12 at 14:43 7 ...
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UIScrollView not scrolling

...ViewDelegate> in your .h file if you wish to do things like programmatically scroll your UIScrollView. – Albert Renshaw Nov 11 '13 at 18:35 1 ...
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Why do I need to do `--set-upstream` all the time?

...he one at origin in the same way as git branch --set-upstream does. Personally, I think it's a good thing to have to set up that association between your branch and one on the remote explicitly. It's just a shame that the rules are different for git push and git pull. 1 It may sound silly, but ...
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Plotting a list of (x, y) coordinates in python matplotlib

... x, y = zip(*li) is really elegant python code! i've been doing the more straight-forward two lines of code with a list compression on each line (like the original question) – Trevor Boyd Smith Aug 23 '18 at ...