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SSL Error When installing rubygems, Unable to pull data from 'https://rubygems.org/

...ws note The Ruby Installer builds for windows are prepared by Luis Lavena and the path to certificates will be showing something like C:/Users/Luis/... check https://github.com/oneclick/rubyinstaller/issues/249 for more details and this answer https://stackoverflow.com/a/27298259/497756 for fix. ...
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Java Ordered Map

In Java, Is there an object that acts like a Map for storing and accessing key/value pairs, but can return an ordered list of keys and an ordered list of values, such that the key and value lists are in the same order? ...
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Clicking the back button twice to exit an activity

I've noticed this pattern in a lot of Android apps and games recently: when clicking the back button to "exit" the application, a Toast comes up with a message similar to "Please click BACK again to exit". ...
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What characters are forbidden in Windows and Linux directory names?

I know that / is illegal in Linux, and the following are illegal in Windows (I think) * . " / \ [ ] : ; | , ...
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Firefox Web Console Disabled?

...rowsers. In the case of Firefox it also happens when Firebug is installed and its console is enabled, since that overrides the default window.console. share | improve this answer | ...
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Reading a string with scanf

...("%s", string) is equivalent to scanf("%s", &string[0]). On the other hand, scanf("%s", &string) passes a pointer-to-char[256], but it points to the same place. Then scanf, when processing the tail of its argument list, will try to pull out a char *. That's the Right Thing when you've passe...
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How can I automate the “generate scripts” task in SQL Server Management Studio 2008?

...is simply calling this. You can achieve the same functionality via the command line like: sqlpubwiz help script I don't know if v1.4 has the same troubles that v1.1 did (users are converted to roles, constraints are not created in the right order), but it is not a solution for me because it doesn...
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ICollection Vs List in Entity Framework

...ntity Framework applications. I really didn't read that much documentation and I feel like I am suffering for it now. 4 Ans...
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HTML5 placeholder css padding

I've seen this post already and tried everything I could to change the padding for my placeholder but alas, it seems it just doesn't want to cooperate. ...
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How to convert numbers between hexadecimal and decimal

How do you convert between hexadecimal numbers and decimal numbers in C#? 17 Answers 1...