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AngularJS ngClass conditional

...s truthy or falsey, a bit similar to Javascript expressions but with some differences, you can read about here. If your conditional is too complex, then you can use a function that returns truthy or falsey, as you did in your third attempt. Just to complement: You can also use logical operators to ...
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YouTube iframe API: how do I control an iframe player that's already in the HTML?

I want to be able to control iframe based YouTube players. This players will be already in the HTML, but I want to control them via the JavaScript API. ...
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How do you test to see if a double is equal to NaN?

I have a double in Java and I want to check if it is NaN . What is the best way to do this? 7 Answers ...
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Are PHP include paths relative to the file or the calling code?

...g trouble understanding the ruleset regarding PHP relative include paths. If I run file A.PHP- and file A.PHP includes file B.PHP which includes file C.PHP, should the relative path to C.PHP be in relation to the location of B.PHP, or to the location of A.PHP? That is, does it matter which file ...
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How to manage a redirect request after a jQuery Ajax call

...L fragment to replace a div element in the user's current page. However, if the session times out, the server sends a redirect directive to send the user to the login page. In this case, jQuery is replacing the div element with the contents of the login page, forcing the user's eyes to witness a...
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Using Regular Expressions to Extract a Value in Java

...p and given string Matcher m = p.matcher("Testing123Testing"); // if an occurrence if a pattern was found in a given string... if (m.find()) { // ...then you can use group() methods. System.out.println(m.group(0)); // whole matched expression System.out.println(m...
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String.Replace ignoring case

...e accepted answer in 2011 and has a huge number of votes. This works fine if you only have to replace alphanumeric. However, if you have to replace any punctuation characters you can get into big trouble. Oleg Zarevennyi's answer is superior, but has only a small number of votes because it was po...
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How to tell if a string contains a certain character in JavaScript?

... To find "hello" in your_string if (your_string.indexOf('hello') > -1) { alert("hello found inside your_string"); } For the alpha numeric you can use a regular expression: http://www.regular-expressions.info/javascript.html Alpha Numeric Regular Ex...
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Check whether an array is a subset of another

...ly calls the Equals and GetHashCode of the overridden object class methods if there's no IEqualityComparer provided for the job. – Mrinal Kamboj Oct 20 '15 at 7:21 2 ...
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PHP mail function doesn't complete sending of e-mail

...e a variety of reasons your script appears to not be sending emails. It's difficult to diagnose these things unless there is an obvious syntax error. Without one you need to run through the checklist below to find any potential pitfalls you may be encountering. Make sure error reporting is enabled ...