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In Django, how do I check if a user is in a certain group?

I created a custom group in Django's admin site. 12 Answers 12 ...
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Detecting Unsaved Changes

...irty = true; }); // replicate for other input types and selects Combine with onunload/onbeforeunload methods as required. From the comments, the following references all input fields, without duplicating code: $(':input').change(function () { Using $(":input") refers to all input, textarea, se...
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How to keep the console window open in Visual C++?

... Start the project with Ctrl+F5 instead of just F5. The console window will now stay open with the Press any key to continue . . . message after the program exits. Note that this requires the Console (/SUBSYSTEM:CONSOLE) linker option, which y...
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Python Infinity - Any caveats?

So Python has positive and negative infinity: 5 Answers 5 ...
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'and' (boolean) vs '&' (bitwise) - Why difference in behavior with lists vs numpy arrays?

What explains the difference in behavior of boolean and bitwise operations on lists vs NumPy arrays? 8 Answers ...
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AWS S3 copy files and folders between two buckets

...l to help me copy content of an AWS S3 bucket into a second AWS S3 bucket without downloading the content first to the local file system. ...
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How to tell Eclipse Workspace?

... For me it work to choose File->Switch Workspace->Other... and it shows the name of current workspace. I tried to confirm "Actually, this shows the last workspace that was closed, not the current workspace. If you are ...
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How to change field name in Django REST Framework

... def get_alternate_name(self, obj): return obj.alternate_name Additionally, you can use serializers.CharField with source attribute: class ParkSerializer(serializers.ModelSerializer): location = serializers.CharField(source='other_fields') class Meta: model = Park ...
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ios app maximum memory budget

...think you've answered your own question: try not to go beyond the 70 Mb limit, however it really depends on many things: what iOS version you're using (not SDK), how many applications running in background, what exact memory you're using etc. Just avoid the instant memory splashes (e.g. you're usin...
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How to inherit from a class in javascript?

.... I should note that Object.create is usually much slower than using new with a function constructor. //The prototype is just an object when you use `Object.create()` var Base = {}; //This is how you create an instance: var baseInstance = Object.create(Base); //If you want to inherit from "Base"...