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What does this symbol mean in JavaScript?

This is a collection of questions that come up every now and then about syntax in JavaScript. This is also a Community Wiki, so everyone is invited to participate in maintaining this list. ...
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Converting timestamp to time ago in PHP e.g 1 day ago, 2 days ago…

I am trying to convert a timestamp of the format 2009-09-12 20:57:19 and turn it into something like 3 minutes ago with PHP. ...
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What does it mean to inflate a view from an xml file?

I am new to android development and keep coming across references to Inflating views from a layout xml file. I googled and searched the development guide but still wasn't able to pick up a sense for what it means. If someone could provide a very simple example, it'd be much appreciated. ...
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Difference between JSP EL, JSF EL and Unified EL [closed]

...difference between the Expression Languages (EL). There is JSP EL, JSF EL and Unified EL. 2 Answers ...
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How to monitor network calls made from iOS Simulator

...rk request, displaying extended request details, including support for SSL and various request/reponse format, like JSON, etc... You can also configure it to sniff only requests to specific servers, not the whole traffic. It's commercial software, but there is a trial, and IMHO it's definitively a...
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Why doesn't RecyclerView have onItemClickListener()?

I was exploring RecyclerView and I was surprised to see that RecyclerView does not have onItemClickListener() . 32 Ans...
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Is JavaScript supported in an email message?

...s Old clients, such as Lotus Notes, Mozilla Thunderbird, Outlook Express, and Windows Live Mail all seem to have supported some sort of JavaScript execution. Nothing else does. It seems like a bad idea security-wise, so I would expect this to be a feature that won't always be around, even in thes...
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Why can't strings be mutable in Java and .NET?

Why is it that they decided to make String immutable in Java and .NET (and some other languages)? Why didn't they make it mutable? ...
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Case objects vs Enumerations in Scala

...es. However, I find in general that enumerations are a bit clumsy in Scala and have the feel of an awkward add-on, so I now tend to use case objects. A case object is more flexible than an enum: sealed trait Currency { def name: String } case object EUR extends Currency { val name = "EUR" } //etc. ...
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What key shortcuts are to comment and uncomment code?

There were Ctrl + E + C (comment) and Ctrl + E + U (uncomment) in older versions, or Ctrl + K + C and Ctrl + K + U . ...