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CKEditor automatically strips classes from div

...ering The easiest solution is going to the config.js and setting: config.allowedContent = true; (Remember to clear browser's cache). Then CKEditor stops filtering the inputted content at all. However, this will totally disable content filtering which is one of the most important CKEditor feature...
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What is the string concatenation operator in Oracle?

... It is ||, for example: select 'Mr ' || ename from emp; The only "interesting" feature I can think of is that 'x' || null returns 'x', not null as you might perhaps expect. ...
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Does JSON syntax allow duplicate keys in an object?

...o according to the specification I would safely assume that means they are allowed. That most implementations of JSON libraries do not accept duplicate keys does not conflict with the standard, because of the first quote. Here are two examples related to the C++ standard library. When deserializin...
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What is the maximum length of a URL in different browsers?

...00 characters If you keep URLs under 2000 characters, they'll work in virtually any combination of client and server software. If you are targeting particular browsers, see below for more details specific limits. Longer answer - first, the standards... RFC 2616 (Hypertext Transfer Protocol HTTP/1.1)...
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Get file name from URL

... If you let String url = new URL(original_url).getPath() and add a special case for filenames that don't contain a . then this works fine. – Jason C May 6 '15 at 20:28 ...
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differences in application/json and application/x-www-form-urlencoded

... have on the server side. I see sites like stackoverflow & Twitter use x-www-form-urlencoded for AJAX requests like vote etc. The response sent back is JSON. I would think that it's better to have a symmetrical request/response pair i.e. both JSON. – user J...
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Object.getOwnPropertyNames vs Object.keys

... There is a little difference. Object.getOwnPropertyNames(a) returns all own properties of the object a. Object.keys(a) returns all enumerable own properties. It means that if you define your object properties without making some of them enumerable: false these two methods will give you the sa...
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Bytes of a string in Java

...re interested in for your case, as the argument to getBytes(). And don't fall into the trap of assuming that UTF-8 represents every character as a single byte, as that's not true either: final String interesting = "\uF93D\uF936\uF949\uF942"; // Chinese ideograms // Check length, in characters Sys...
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How to decompile a whole Jar file? [closed]

... 2009: JavaDecompiler can do a good job with a jar: since 0.2.5, All files, in JAR files, are displayed. See also the question "How do I “decompile” Java class files?". The JD-Eclipse doesn't seem to have changed since late 2009 though (see Changes). So its integration with latest Ecl...
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Why does Google +1 record my mouse movements? [closed]

...0); c = c * b % d; if (previousMouseMoveHandler) previousMouseMoveHandler.call(arguments); d is (screen.width * screen.width + screen.height) * 1000000, and c is a variable that starts out as 1. All of this is wrapped in the scope of an anonymous function, which itself is immediately evaluated to...