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React JSX: selecting “selected” on selected option

...ange={this.handleChange} /> ) } } included component (which is now a stateless functional): export const ReactExample = ({ name, value, handleChange }) => ( <select name={name} value={value} onChange={handleChange}> <option value="A">Apple</option> <opt...
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Font size in CSS - % or em?

...on /. about that (and lost). I had the same point of view as you, good to know someone shares that pov :) – Vincent McNabb Sep 25 '08 at 11:24 12 ...
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CSS for grabbing cursors (drag & drop)

... I saw the move icon, thought the grab icon was better. But now that you pointed out w3c considers that cursor "Indicates something is to be moved," it makes the most sense. Thanks. – at. Apr 18 '11 at 7:05 ...
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What is the difference between pip and conda?

I know pip is a package manager for python packages. However, I saw the installation on IPython's website use conda to install IPython. ...
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List vs List

...oid withWilds( List<? extends Map<String,String>> foo ){} void noWilds( List<Map<String,String>> foo ){} void main( String[] args ){ List<HashMap<String,String>> myMap; withWilds( myMap ); // Works noWilds( myMap ); // Compiler error } You would th...
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Laravel Migration Change to Make a Column Nullable

... Laravel 5 now supports changing a column; here's an example from the offical documentation: Schema::table('users', function($table) { $table->string('name', 50)->nullable()->change(); }); Source: http://laravel.com/docs...
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Chrome Extension how to send data from content script to popup.html

I know this this has been asked in numerous posts but honestly I don't get them. I am new to JavaScript, Chrome Extensions and everything and I have this class assignment. So I need to make a plugin that would count DOM objects on any given page using Cross Domain Requests. I've been able to achiev...
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What are the security risks of setting Access-Control-Allow-Origin?

...w-Origin to * in order to be able to make cross-subdomain ajax calls. Now I can't help but feel that I'm putting my environment to security risks. Please help me if I'm doing it wrong. ...
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How do I correctly clone a JavaScript object?

...ded to Object.prototype, or other intermediate prototypes, that you don't know about? In that case, you will copy attributes you shouldn't, so you need to detect unforeseen, non-local attributes with the hasOwnProperty method. In addition to non-enumerable attributes, you'll encounter a tougher pro...
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How to use UIVisualEffectView to Blur Image?

...the blur to an image? I've been trying to figure out the code for a while now :( still new at obj c! 7 Answers ...