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Position Relative vs Absolute?

What is the difference between position: relative and position: absolute in CSS? And when should you use them? 10 Answe...
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Why is the String class declared final in Java?

...emented as immutable objects. You should read about immutability to understand more about it. One advantage of immutable objects is that You can share duplicates by pointing them to a single instance. (from here). If String were not final, you could create a subclass and have two strings tha...
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Setting DIV width and height in JavaScript

... The properties you're using may not work in Firefox, Chrome, and other non-IE browsers. To make this work in all browsers, I also suggest adding the following: document.getElementById('div_register').setAttribute("style","width:500px"); For cross-compatibility, you will still need t...
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When to use , tag files, composite components and/or custom components?

I started using JSF 2.0 with Facelets recently and got puzzled by new composite components knowing existing <ui:include> and other templating techniques offered by Facelets 1.x. ...
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How to commit a change with both “message” and “description” from the command line? [duplicate]

I'm new to both git and GitHub. I managed to set up everything locally on my Mac, so that now I can push commits to GitHub via git (on the command line, not the Mac app). ...
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Why is Magento so slow? [closed]

...g, layout config, etc.) that involve building up giant XML trees in memory and then "querying" those same trees for information. This takes both memory (storing the trees) and CPU (parsing the trees). Some of these (especially the layout tree) are huge. Also, unless caching is on, these tree are ...
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demystify Flask app.secret_key

... a cryptographic hashing algorithm; only if you have the exact same secret and the original data can you recreate this value, letting Flask detect if anything has been altered without permission. Since the secret is never included with data Flask sends to the client, a client cannot tamper with sess...
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How to sort an array in Bash

...set IFS Supports whitespace in elements (as long as it's not a newline), and works in Bash 3.x. e.g.: $ array=("a c" b f "3 5") $ IFS=$'\n' sorted=($(sort <<<"${array[*]}")); unset IFS $ printf "[%s]\n" "${sorted[@]}" [3 5] [a c] [b] [f] Note: @sorontar has pointed out that care is re...
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Test method is inconclusive: Test wasn't run. Error?

I have a test class and below I have posted a sample test from the test class 49 Answers ...
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Is it possible to use Visual Studio on macOS?

...hich also now supports debugging. Thus, if you install Visual Studio Code and .NET Core on a Mac in OS X you can quite freely edit and compile and run and debug and share your code with Visual Studio 2017 on a PC. – DavidMWilliams Feb 2 '17 at 5:16 ...