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How do you split and unsplit a window/view in Eclipse IDE?

...tcut for splitting is: Azerty keyboard: Ctrl + _ for split horizontally, and Ctrl + { for split vertically. Qwerty US keyboard: Ctrl + Shift + - (accessing _) for split horizontally, and Ctrl + Shift + [ (accessing {) for split vertically. MacOS - Qwerty US keyboard: ...
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How do you add an array to another array in Ruby and not end up with a multi-dimensional result?

...(a1.length, *a2) or append and flatten: (a1 << a2).flatten! # a call to #flatten instead would return a new array share | improve this answer | follow ...
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Differences between Oracle JDK and OpenJDK

...a commercial license. You should now pay attention to which JDK you're installing as Oracle JDK without subscription could stop working. source Ref: List of Java virtual machines share | improve th...
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Check if a value is an object in JavaScript

...o examine variable's properties, but it is not a bulletproof recipe (after all there's no recipe at all!) for checking whether it's an object, far from it. Since people tend to look for something to copy from here without doing any research, I'd highly recommend that they turn to the other, most upv...
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When should I use a composite index?

...olumn_A ) But it will not (at least not directly, maybe it can help partially if there are no better indices) help for queries that need index( column_A, column_C ) Notice how column_B is missing. In your original example, a composite index for two dimensions will mostly benefit queries that q...
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How should I use git diff for long lines?

...nment variable. If you don't mind about paging (for example, your terminal allows you to scroll back) you might try explicitly setting GIT_PAGER to empty to stop it using a pager. Under Linux: $ GIT_PAGER='' git diff Without a pager, the lines will wrap. If your terminal doesn't support coloured...
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Why do we need message brokers like RabbitMQ over a database like PostgreSQL?

...ustering options are also available. In regards to AMQP, I would say a really cool feature is the "exchange", and the ability for it to route to other exchanges. This gives you more flexibility and enables you to create a wide array of elaborate routing typologies which can come in very handy when...
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How do I tell if a regular file does not exist in Bash?

... The unary operator -z tests for a null string, while -n or no operator at all returns True if a string is not empty. ~ ibm.com/developerworks/library/l-bash-test/index.html – BlueCacti May 5 '14 at 11:06 ...
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Style input element to fill remaining width of its container

... Would this work with IE6? Otherwise I may have to actually define a little table for this :( – Joel Coehoorn Apr 21 '09 at 16:49 ...
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Unzip files programmatically in .net

I am trying to programatically unzip a zipped file. 15 Answers 15 ...