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Why are dashes preferred for CSS selectors / HTML attributes?

...re separated with underscore and there were no stops. Also, using hyphens allows you to take advantage of the |= attribute selector, which selects any element containing the text, optionally followed by a dash: span[class|="em"] { font-style: italic; } This would make the following HTML elements...
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SqlException from Entity Framework - New transaction is not allowed because there are other threads

...red that the foreach loops were the culprits. What needs to happen is to call EF but return it into an IList<T> of that target type then loop on the IList<T>. Example: IList<Client> clientList = from a in _dbFeed.Client.Include("Auto") select a; foreach (RivWorks.Model.Negotiati...
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Change Oracle port from port 8080

... Production on Tue Aug 26 10:40:44 2008 Copyright (c) 1982, 2005, Oracle. All rights reserved. SQL> connect Enter user-name: system Enter password: <enter password if will not be visible> Connected. SQL> Exec DBMS_XDB.SETHTTPPORT(3010); [Assuming you want to have HTTP going to this po...
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Is there a way to use SVG as content in a pseudo element :before or :after

... <div class="author_">Lord Byron</div> .author_ { font-family: 'Playfair Display', serif; font-size: 1.25em; font-weight: 700;letter-spacing: 0.25em; font-style: italic; position:relative; margin-top: -0.5em; color: bla...
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Merging objects (associative arrays)

... with jquery you can call $.extend var obj1 = {a: 1, b: 2}; var obj2 = {a: 4, c: 110}; var obj3 = $.extend(obj1, obj2); obj1 == obj3 == {a: 4, b: 2, c: 110} // Pseudo JS (assoc. arrays are objects in js) look here: http://api.jquery.com/jQu...
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Uploading images using Node.js, Express, and Mongoose

...b. // Expose modules in ./support for demo purposes require.paths.unshift(__dirname + '/../../support'); /** * Module dependencies. */ var express = require('../../lib/express') , form = require('connect-form'); var app = express.createServer( // connect-form (http://github.com/visionmedia...
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How do you specify that a class property is an integer?

... only has the concept of a number, which has a floating point. Philosophically, the amount of work the compiler would have to do to enforce only whole numbers for a TypeScript int type could potentially be massive and in some cases it would still not be possible to ensure at compile time that only ...
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How to wait for all goroutines to finish without using time.Sleep?

This code selects all xml files in the same folder, as the invoked executable and asynchronously applies processing to each result in the callback method (in the example below, just the name of the file is printed out). ...
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Scala: write string to file in one statement

...or encoding-safe. If an exception happens in write(), close will never be called, and the file won't be closed. PrintWriter also uses the default system encoding, which is very bad for portability. And finally, this approach generates a separate class specifically for this line (however, given that ...
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How to profile methods in Scala?

What is a standard way of profiling Scala method calls? 12 Answers 12 ...