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How to check whether dynamically attached event listener exists or not?

...ere is my problem: is it possible somehow to check for existence of dynamically attached event listener? Or how can I check the status of the "onclick" (?) property in DOM? I have searched internet just like Stack Overflow for a solution, but no luck. Here is my html: ...
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How can I convert byte size into a human-readable format in Java?

...fact: The original snippet posted here was the most copied Java snippet of all time on Stack Overflow, and it was flawed. It was fixed, but it got messy. Full story in this article: The most copied Stack Overflow snippet of all time is flawed! Source: Formatting byte size to human readable format |...
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what is the best way to convert a json formatted key value pair to ruby hash with symbol as key?

... string key } } Method 1: JSON.parse - symbolizes all keys recursively => Does not preserve original mix JSON.parse( h.to_json, {:symbolize_names => true} ) => { :youtube => { :search=> "daffy", :history => ["goofy", "mickey"] } } Method 2: ActiveSup...
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Temporarily disable auto_now / auto_now_add

...s: # my model class FooBar(models.Model): title = models.CharField(max_length=255) updated_at = models.DateTimeField(auto_now=True, auto_now_add=True) # my tests foo = FooBar.objects.get(pk=1) # force a timestamp lastweek = datetime.datetime.now() - datetime.timedelta(days=7) FooBar.obj...
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Why does Javascript's regex.exec() not always return the same value? [duplicate]

... matches by performing the assignment as the loop condition. var re = /foo_(\d+)/g, str = "text foo_123 more text foo_456 foo_789 end text", match, results = []; while (match = re.exec(str)) results.push(+match[1]); DEMO: http://jsfiddle.net/pPW8Y/ If you don't like the placem...
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Using switch statement with a range of value in each case?

... great and is simple. Also if you want to select numbers not in the range all you need is if(!isBetween... , good job. – a54studio Jul 20 '13 at 13:43 1 ...
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An error occurred while installing pg (0.17.1), and Bundler cannot continue

I just installed Rails 4.0.2 and when creating a new app, in the bundle stage I get: 16 Answers ...
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Get keys from HashMap in Java

...HashMap contains more than one key. You can use keySet() to get the set of all keys. team1.put("foo", 1); team1.put("bar", 2); will store 1 with key "foo" and 2 with key "bar". To iterate over all the keys: for ( String key : team1.keySet() ) { System.out.println( key ); } will print "foo"...
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Managing relationships in Laravel, adhering to the repository pattern

...kiest part of this setup, for me at least, is determing if Eloquent is actually helping or harming us. ORMs are a tricky subject, because while they help us greatly from a practical point of view, they also couple your "business logic entities" code with the code doing the data retrieval. This sort...
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Encrypt and decrypt a string in C#?

...amWriter(csEncrypt)) { //Write all data to the stream. swEncrypt.Write(plainText); } } outStr = Convert.ToBase64String(msEncrypt.ToArray()); } } finally...