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How to have conditional elements and keep DRY with Facebook React's JSX?

...perators even allow little tricks like this: <h3>{this.state.banner.title || 'Default banner title'}</h3> share | improve this answer | follow | ...
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Can comments be used in JSON?

...to: { "_comment": "comment text goes here...", "glossary": { "title": "example glossary", "GlossDiv": { "title": "S", "GlossList": { "GlossEntry": { "ID": "SGML", "SortAs": "SGML", "GlossTerm": "Standard Ge...
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How does this JavaScript/jQuery syntax work: (function( window, undefined ) { })(window)?

...he window variable is made local for performance reasons. Because when JavaScript looks up a variable, it first goes through the local variables until it finds the variable name. When it's not found, JavaScript goes through the next scope etc. until it filters through the global variables. So if the...
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prototype based vs. class based inheritance

In JavaScript, every object is at the same time an instance and a class. To do inheritance, you can use any object instance as a prototype. ...
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What does in XML mean?

...ttp://www.w3.org/1999/xhtml" xml:lang="en" lang="en" > <head> <title>CDATA Example</title> </head> <body> <h2>Using a Comment</h2> <div id="commentExample"> <!-- You won't see this in the document and can use reserved characters like < > &...
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How to debug template binding errors for KnockoutJS?

...t;/pre> <a href="#" data-bind="click: $parent.setActiveTab, text: title"></a> </li> </ul> But, using this approach a replaced the data-bind value with the following: <ul class="list list-fix" data-bind="foreach: detailsView().tabs"> <li> <...
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SPA best practices for authentication and session management

...client-side. Before we do that, though, there's an important prelude: Javascript Crypto is Hopeless Matasano's article on this is famous, but the lessons contained therein are pretty important: https://www.nccgroup.trust/us/about-us/newsroom-and-events/blog/2011/august/javascript-cryptography-con...
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How to create a printable Twitter-Bootstrap page

...erline; } a[href]:after { content: " (" attr(href) ")"; } abbr[title]:after { content: " (" attr(title) ")"; } a[href^="#"]:after, a[href^="javascript:"]:after { content: ""; } pre, blockquote { border: 1px solid #999; page-break-inside: avoid; } thead { ...
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My Understanding of HTTP Polling, Long Polling, HTTP Streaming and WebSockets

...ve read many posts on SO and the web regarding the keywords in my question title and learned a lot from them. Some of the questions I read are related to specific implementation challenges while others focus on general concepts. I just want to make sure I understood all of the concepts and the reaso...
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Is \d not supported by grep's basic expressions?

...t discovering it now. This just bit me on a git commit message validation script. I was very surprised \d was the culprit. – austinbruch Oct 21 '19 at 15:55 ...