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Is there a MySQL option/feature to track history of changes to records?

...ant to audit the changes to the data - who did what and when?", you can usually use audit tables (as per the trigger example Keethanjan posted). I'm not a huge fan of triggers, but it has the great benefit of being relatively painless to implement - your existing code doesn't need to know about the ...
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Using Enum values as String literals

... You can't. I think you have FOUR options here. All four offer a solution but with a slightly different approach... Option One: use the built-in name() on an enum. This is perfectly fine if you don't need any special naming format. String name = Modes.mode1.name(); /...
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How do I partially update an object in MongoDB so the new object will overlay / merge with the exist

...n would be that you are happy with $set, but do not want to explicitly set all fields. How would you pass in the data then? You know you can do the following: db.collection.update( { _id:...} , { $set: someObjectWithNewData } ...
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Python threading.timer - repeat function every 'n' seconds

... not self.stopped.wait(0.5): print("my thread") # call a function In the code that started the timer, you can then set the stopped event to stop the timer. stopFlag = Event() thread = MyThread(stopFlag) thread.start() # this will stop the timer stopFlag.set() ...
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Setting the selected value on a Django forms.ChoiceField

...rying to assign the selected value to a ChoiceField. If you have already called super().__init__ in your Form class, you should update the form.initial dictionary, not the field.initial property. If you study form.initial (e.g. print self.initial after the call to super().__init__), it will contai...
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Find which version of package is installed with pip

..., is it possible to figure out which version of a package is currently installed? 15 Answers ...
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Converting any string into camel case

... Looking at your code, you can achieve it with only two replace calls: function camelize(str) { return str.replace(/(?:^\w|[A-Z]|\b\w)/g, function(word, index) { return index === 0 ? word.toLowerCase() : word.toUpperCase(); }).replace(/\s+/g, ''); } camelize("EquipmentClass name"...
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What is the iPad user agent?

... This answer is incorrect. From iOS 13 there is now no mention of iPad at all. – CpnCrunch Dec 16 '19 at 18:51 See th...
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Calling a class function inside of __init__

... Call the function in this way: self.parse_file() You also need to define your parse_file() function like this: def parse_file(self): The parse_file method has to be bound to an object upon calling it (because it's not a ...
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Explode PHP string by new line

...from. So please use the solution from @Alin_Purcaru (three down) to cover all your bases (and upvote his answer): $skuList = preg_split('/\r\n|\r|\n/', $_POST['skuList']); share | improve this an...