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How do I select a random value from an enumeration?

... Use Enum.GetValues to retrieve an array of all values. Then select a random array item. static Random _R = new Random (); static T RandomEnumValue<T> () { var v = Enum.GetValues (typeof (T)); return (T) v.GetValue (_R.Next(v.Length)); } Test: for (in...
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Convert Long into Integer

...yslov the question was about Long values, not about null values. And personally I believe in rejecting null up front rather than using null in -> null out and thereby transporting null through my application. So one could also argue this is the worst answer :-) – Sean Patric...
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How to convert currentTimeMillis to a date in Java?

... Calendar objects are generally considered quite large, so should be avoided when possible. A Date object is going to be better assuming it has the functionality you need. "Date date=new Date(millis);" provided in the other answer by user AVD is going ...
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Commonly accepted best practices around code organization in JavaScript [closed]

...ferent "namespaces" and sometimes individual classes in separate files. Usually I start with one file and as a class or namespace gets big enough to warrant it, I separate it out into its own file. Using a tool to combine all you files for production is an excellent idea as well. ...
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Clear icon inside input text

.... jQ will add the class x (if input has value) showing the clear icon. Now all we need is to target with jQ the inputs with class x and detect on mousemove if the mouse is inside that 18px "x" area; if inside, add the class onX. Clicking the onX class removes all classes, resets the input value and ...
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How to check if click event is already bound - JQuery

...a(this[0], 'events')[type]; jQuery events are stored in a data object called events, so you could search in this: var button = $('#myButton'); if (-1 !== $.inArray(onButtonClicked, button.data('events').click)) { button.click(onButtonClicked); } It would be best, of course, if you could s...
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Mercurial (hg) commit only certain files

...of hg having auto-add whenever I try to commit a change it wants to commit all files. But I don't want that because certain files are not "ready" yet. ...
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Relation between CommonJS, AMD and RequireJS?

...hingElse = function() { return someModule.doSomething() + "bar"; }; Basically, CommonJS specifies that you need to have a require() function to fetch dependencies, an exports variable to export module contents and a module identifier (which describes the location of the module in question in relat...
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Read Excel File in Python

...value)) except ValueError: pass finally: values.append(value) item = Arm(*values) items.append(item) for item in items: print item print("Accessing one single value (eg. DSPName): {0}".format(item.dsp_name)) print ...
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How to convert SQL Query result to PANDAS Data Structure?

... that will do the job: from pandas import DataFrame df = DataFrame(resoverall.fetchall()) df.columns = resoverall.keys() You can go fancier and parse the types as in Paul's answer. share | improv...