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private[this] vs private
In Scala I see such feature as object-private variable. From my not very rich Java background I learnt to close everything (make it private) and open (provide accessors) if necessary. Scala introduces even more strict access modifier. Should I always use it by default? Or should I use it only in som...
Is it possible to ping a server from Javascript?
I'm making a web app that requires that I check to see if remote servers are online or not. When I run it from the command line, my page load goes up to a full 60s (for 8 entries, it will scale linearly with more).
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Is it a bad practice to use negative margins in Android?
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Access Denied for User 'root'@'localhost' (using password: YES) - No Privileges?
I am continuously receiving this error.
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How to save password when using Subversion from the console
I was wondering if there is a way to save my Subversion password when doing svn operations from the console. The console is the only option that I have. When I try to do any Subversion action, e.g. svn commit , it prompts for the account password every time. Is there a way to save this password s...
How to clear a chart from a canvas so that hover events cannot be triggered?
I'm using Chartjs to display a Line Chart and this works fine:
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iPhone Safari Web App opens links in new window
I have problem with web after adding icon to Home Screen. If the web is launched from Home Screen, all links will open in new window in Safari (and lose full screen functionality). How can I prevent it? I couldn't find any help, only the same unanswered question.
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A more useful statusline in vim? [closed]
I’d like to make my statusline in vim more informative and interesting, and for that I need some ideas. How did you customize your statusline?
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See :hover state in Chrome Developer Tools
I want to see the :hover style for an anchor I'm hovering on in Chrome . In Firebug , there's a style dropdown that allows me to select different states for an element.
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How can I get dictionary key as variable directly in Python (not by searching from value)?
Sorry for this basic question but my searches on this are not turning up anything other than how to get a dictionary's key based on its value which I would prefer not to use as I simply want the text/name of the key and am worried that searching by value may end up returning 2 or more keys if the di...