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Django: Get model from string?

...d in 1.9) in favor of the the new application loading system. -- Scott Woodall Found it. It's defined here: from django.db.models.loading import get_model Defined as: def get_model(self, app_label, model_name, seed_cache=True): ...
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What is the best way to create constants in Objective-C

...he file in the Reddit-Prefix.pch file to make the constants available to all the files. Is it a good way of doing things? Also, I've done my research and found several methods to create constants, but I don't know which one to use: ...
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What do the terms “CPU bound” and “I/O bound” mean?

...U (doing calculations). A program that computes new digits of π will typically be CPU-bound, it's just crunching numbers. A program is I/O bound if it would go faster if the I/O subsystem was faster. Which exact I/O system is meant can vary; I typically associate it with disk, but of course networ...
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print call stack in C or C++

Is there any way to dump the call stack in a running process in C or C++ every time a certain function is called? What I have in mind is something like this: ...
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Why does javascript replace only first instance when using replace? [duplicate]

... You need to set the g flag to replace globally: date.replace(new RegExp("/", "g"), '') // or date.replace(/\//g, '') Otherwise only the first occurrence will be replaced. share | ...
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Is explicitly closing files important?

In Python, if you either open a file without calling close() , or close the file but not using try - finally or the " with " statement, is this a problem? Or does it suffice as a coding practice to rely on the Python garbage-collection to close all files? For example, if one does this: ...
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How to get Linux console window width in Python

Is there a way in python to programmatically determine the width of the console? I mean the number of characters that fits in one line without wrapping, not the pixel width of the window. ...
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Rails Root directory path?

... Personally I like the newer syntax: Rails.root / 'app' / 'assets' / 'images' / 'logo.png' – Ajedi32 Feb 18 '16 at 17:13 ...
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FragmentPagerAdapter Exists Only In Android.Support.V4.App (and not Android.App)

...It's a FragmentPagerAdapter for non-support fragments. Android Studio Installation Please add follow Gradle dependencies dependencies { compile 'com.android.support:support-v13:+' } share | ...
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How do I look inside a Python object?

...-in functions: type() dir() id() getattr() hasattr() globals() locals() callable() type() and dir() are particularly useful for inspecting the type of an object and its set of attributes, respectively. share | ...