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How can I upgrade specific packages using pip and a requirements file?

...ngo projects. I'm trying to upgrade some packages, notably Django itself, and I'm getting an error about source code conflicts: ...
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In android studio,cannot load 2 facets-unknown facet type:android and android-gradle

When I open android studio I am getting an error- "Error loading project: Cannot load 2 facets. When I clicked to see the error the following appeared ...
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Django URL Redirect

...direct Update for Django 2+ versions With Django 2+, url() is deprecated and replaced by re_path(). Usage is exactly the same as url() with regular expressions. For replacements without the need of regular expression, use path(). from django.urls import re_path re_path(r'^.*$', RedirectView.as_v...
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Should I use px or rem value units in my CSS? [closed]

I am designing a new website and I want it to be compatible with as much browsers and browser settings as possible. I am trying to decide what unit of measurement I should use for the sizes of my fonts and elements, but am unable to find a conclusive answer. ...
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What is the fastest integer division supporting division by zero no matter what the result is?

... Inspired by some of the comments I got rid of the branch on my Pentium and gcc compiler using int f (int x, int y) { y += y == 0; return x/y; } The compiler basically recognizes that it can use a condition flag of the test in the addition. As per request the assembly: .globl...
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How do I get a reference to the app delegate in Swift?

...off using the delegate accessible through the sharedApplication singleton. And as far as your second question goes, yes you probably want to use a constant. Even though, you may be changing the AppDelegate's properties, you probably won't be reassigning the pointer to anything else, in which case, t...
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How can I find the latitude and longitude from address?

...s the "java.io.IOException service not available" – Kandha Aug 26 '10 at 13:02 3 You need the rig...
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Why do we need virtual functions in C++?

I'm learning C++ and I'm just getting into virtual functions. 26 Answers 26 ...
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Which characters are valid in CSS class names/selectors?

...racter is a hyphen, the second character must2 be a letter or underscore, and the name must be at least 2 characters long. -?[_a-zA-Z]+[_a-zA-Z0-9-]* In short, the previous rule translates to the following, extracted from the W3C spec.: In CSS, identifiers (including element names, classes, ...
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Apache is downloading php files instead of displaying them

OS and server information: 26 Answers 26 ...