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What's the difference between :: (double colon) and -> (arrow) in PHP?

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How can i use iptables on centos 7? [closed]

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How can I tell if I'm running in 64-bit JVM or 32-bit JVM (from within a program)?

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How to open standard Google Map application from my application?

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Rails: Using build with a has_one association in rails

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Is there a difference between copy initialization and direct initialization?

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What is the difference between persist() and merge() in JPA and Hibernate?

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Is there a way to change context to iframe in javascript console?

... 149 Chrome 15 allows you to change the scope of the console. On the bottom of the console, next to ...
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Android WebView style background-color:transparent ignored on android 2.2

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Create list of single item repeated N times

... 809 You can also write: [e] * n You should note that if e is for example an empty list you get a ...