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Java project in Eclipse: The type java.lang.Object cannot be resolved. It is indirectly referenced f

... In my case it occurred because i have accidentally removed the JRE while importing the project [my fault]. This gave me a clue to fix the issue. – GayashanNA Apr 22 '14 at 6:50 ...
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horizontal line and right way to code it in html, css

... If you really want a thematic break, by all means use the <hr> tag. If you just want a design line, you could use something like the css class .hline-bottom { padding-bottom: 10px; border-bottom: 2px solid #000; /* w...
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When should I use semicolons in SQL Server?

... Seems they're basically encouraging use of the semicolon in general, by requiring it before all new statement types that have been introduced in recent years. (MERGE too for example). As mentioned in other answers, in the ANSI standard they a...
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What's the correct way to sort Python `import x` and `from x import y` statements?

... Imports are generally sorted alphabetically and described in various places beside PEP 8. Alphabetically sorted modules are quicker to read and searchable. After all python is all about readability. Also It is easier to verify that something...
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Execute bash script from URL

...the advantage of using that initial redirection? I ask because for RVM installation, they use the command: bash < <(curl -s https://rvm.beginrescueend.com/install/rvm) Why not just: bash <(curl -s https://rvm.beginrescueend.com/install/rvm) – Tristan ...
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How to update the value stored in Dictionary in C#?

... Just point to the dictionary at given key and assign a new value: myDictionary[myKey] = myNewValue; share | improve this answer | follow ...
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How to position a div in the middle of the screen when the page is bigger than the screen

... just add position:fixed and it will keep it in view even if you scroll down. see it at http://jsfiddle.net/XEUbc/1/ #mydiv { position:fixed; top: 50%; left: 50%; width:30em; height:18em; margin-top: -9em; /*set to a negative...
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How do I check if a file exists in Java?

The only similar question on SO deals with writing the file and was thus answered using FileWriter which is obviously not applicable here. ...
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Twitter Bootstrap vs jQuery UI? [closed]

...n several projects. The biggest difference in my opinion jQuery UI is fallback safe, it works correctly and looks good in old browsers, where Bootstrap is based on CSS3 which basically means GREAT in new browsers, not so great in old Update frequency: Bootstrap is getting some great big updates ...
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How can I start an interactive console for Perl?

...ms to provide the best almost-out-of-the-box solution (you may have to install rlwrap). All third-party REPL/console solutions, including perlconsole, are cumbersome to install and often have more limitations. – mklement0 Jul 8 '15 at 3:09 ...