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Django Admin - Disable the 'Add' action for a specific model

...also register MyAdmin like: admin.site.register(MyModel, MyModelAdmin) Add all into the admin.py of the models`s app folder. – djangonaut Apr 23 '18 at 9:16 ...
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Session variables in ASP.NET MVC

I am writing a web application that will allow a user to browse to multiple web pages within the website making certain requests. All information that the user inputs will be stored in an object that I created. The problem is that I need this object to be accessed from any part of the website and I ...
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How to get a key in a JavaScript object by its value?

...pt object, which I use as an associative array. Is there a simple function allowing me to get the key for a value, or do I have to iterate the object and find it out manually? ...
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Create singleton using GCD's dispatch_once in Objective-C

...er here: instancetype + (instancetype)sharedInstance { static dispatch_once_t once; static id sharedInstance; dispatch_once(&once, ^ { sharedInstance = [self new]; }); return sharedInstance; } + (Class*)sharedInstance { static dispatch_once_t once; ...
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How to get overall CPU usage (e.g. 57%) on Linux [closed]

...s was not tested nor used, it's an idea for people who do not want to install a utility or for something that works in any distribution. Some people think you can "apt-get install" anything. NOTE: this is not the current CPU usage, but the overall CPU usage in all the cores since the system bootup...
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How to install Xcode Command Line Tools

How do I get the command-line build tools installed with the current Xcode/Mac OS X v10.8 (Mountain Lion) or later? 13 Answ...
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What's the shortest code to cause a stack overflow? [closed]

... All these answers and no Befunge? I'd wager a fair amount it's shortest solution of them all: 1 Not kidding. Try it yourself: http://www.quirkster.com/iano/js/befunge.html EDIT: I guess I need to explain this one. The 1 o...
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How do I fix PyDev “Undefined variable from import” errors?

...ncing the same issue with latest Eclipse and PyDev. I can navigate between all modules, so why code-analysis can't do the same? – Adam Sep 3 '14 at 11:41 3 ...
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jQuery get values of checked checkboxes into array

I am trying to get values of all checkboxes that are currently checked and store them into an array. Here is my code so far: ...
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Get difference between two lists

...hat this only returns the temp1-temp2? .. As other said in order to return all the differences you have to use the sysmetric difference: list(set(temp1) ^ set(temp2)) – rkachach Feb 16 '16 at 16:00 ...