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Function overloading in Javascript - Best practices

...ified are undefined in JS, not null. As a best practice, you should never set anything to undefined, so it should not be a problem as long as you change your test to p2 === undefined. – Tamzin Blake Aug 31 '12 at 17:49 ...
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Which parts of Real World Haskell are now obsolete or considered bad practice?

... pcre_ptr <- c_pcre_compile pattern (combineOptions flags) errptr erroffset nullPtr if pcre_ptr == nullPtr then do err <- peekCString =<< peek errptr return (Left err) else do reg <- newForeignPtr finalizerFree pcre_ptr -- release with free() re...
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Adding Core Data to existing iPhone project

...tion: true} Lightweight migration will only work for a limited set of schema changes; consult "Core Data Model Versioning and Data Migration Programming Guide" for details. */ //println("Unresolved error \(error), \(error.userInfo)") abort() } ...
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Is there a pattern for initializing objects created via a DI container

...or Generate(), Build() or whatever you name your factory methods). Having setters or an Initialize() method are generally thought to be bad design, as you need to "remember" to call them and make sure they don't open up too much of your implementation's state (i.e. what is to stop someone from re-c...
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Reset auto increment counter in postgres

... To set the sequence counter: setval('product_id_seq', 1453); If you don't know the sequence name use the pg_get_serial_sequence function: select pg_get_serial_sequence('product', 'id'); pg_get_serial_sequence -------------...
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How to iterate over a JSONObject?

...; public static void printJsonObject(JSONObject jsonObj) { jsonObj.keySet().forEach(keyStr -> { Object keyvalue = jsonObj.get(keyStr); System.out.println("key: "+ keyStr + " value: " + keyvalue); //for nested objects iteration if required //if (keyvalue i...
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Does JavaScript have “Short-circuit” evaluation?

... editor after snippets, if snippets enabled if (StackExchange.settings.snippets.snippetsEnabled) { StackExchange.using("snippets", function() { createEditor(); }); } else { createEditor(); ...
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Should I add the Visual Studio .suo and .user files to source control?

....user file (at least for SQL Server Data Tools). Also, when you change the settings in the Debug tab, it's not always persisted to .user straight away (closing the solution seems to work, bit annoying... or changing another setting stored in the .sqlproj file). – jamiebarrow ...
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How to display loading message when an iFrame is loading?

...; css: .iframe-placeholder { background: url('data:image/svg+xml;charset=utf-8,<svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewBox="0 0 100% 100%"><text fill="%23FF0000" x="50%" y="50%" font-family="\'Lucida Grande\', sans-serif" font-size="24" text-anchor="midd...
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last day of month calculation

... also I set the ready date time after this: nextNotification.setReadyDateTime(nextNotifTime.getTime()); therefore should I not do this instead: nextNotifTime.roll(Calendar.MONTH, true); nextNotifT...