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getSupportActionBar from inside of Fragment ActionBarCompat

...ctivity(). You'll need to cast it to an ActionBarActivity then make the call to getSupportActionBar(). ((AppCompatActivity)getActivity()).getSupportActionBar().setSubtitle(R.string.subtitle); You do need the cast. It's not poor design, it's backwards compatibility. ...
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Good ways to sort a queryset? - Django

... Ulysses Simpson (474) Harry Truman (471) And now the combined order_by call: >>> myauths = Author.objects.order_by('-score', 'last_name')[:5] >>> for x in myauths: print x ... James Monroe (487) Ulysses Simpson (474) Harry Truman (471) Benjamin Harrison (467) Gerald Rudolph (4...
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Reading an image file into bitmap from sdcard, why am I getting a NullPointerException?

...new BitmapFactory.Options(); options.inPreferredConfig = Bitmap.Config.ARGB_8888; Bitmap bitmap = BitmapFactory.decodeFile(photoPath, options); selected_photo.setImageBitmap(bitmap); or http://mihaifonoage.blogspot.com/2009/09/displaying-images-from-sd-card-in.html ...
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How to load db:seed data into test database automatically?

...ore every test or just once at the beginning. You could put it in a setup call or in a test_helper.rb file. share | improve this answer | follow | ...
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Highlight label if checkbox is checked

...Mar 11 '11 at 17:07 Andrew MarshallAndrew Marshall 87.3k1818 gold badges202202 silver badges204204 bronze badges ...
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How to create a new branch from a tag?

...Example: git branch <Hotfix branch> <TAG> git branch hotfix_4.4.3 v4.4.3 git checkout hotfix_4.4.3 or you can do with other command git checkout -b <Hotfix branch> <TAG> -b stands for creating new branch to local once you ready with your hotfix branch, It's tim...
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Make a URL-encoded POST request using `http.NewRequest(…)`

...alues{} data.Set("name", "foo") data.Set("surname", "bar") u, _ := url.ParseRequestURI(apiUrl) u.Path = resource urlStr := u.String() // "https://api.com/user/" client := &http.Client{} r, _ := http.NewRequest(http.MethodPost, urlStr, strings.NewReader(data.Encode()...
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Removing packages installed with go get

... I needed to set my GOPATH otherwise that package sullies my root Go install (I would much prefer to keep my Go install clean and separate core from custom). How do I remove packages installed previously? ...
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How to map and remove nil values in Ruby

... Ruby 2.7+ There is now! Ruby 2.7 is introducing filter_map for this exact purpose. It's idiomatic and performant, and I'd expect it to become the norm very soon. For example: numbers = [1, 2, 5, 8, 10, 13] enum.filter_map { |i| i * 2 if i.even? } # => [4, 16, 20] In your ...
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How do I find a default constraint using INFORMATION_SCHEMA?

...efault value constraint SELECT default_constraints.name FROM sys.all_columns INNER JOIN sys.tables ON all_columns.object_id = tables.object_id INNER JOIN sys.schemas ON tables.schema_id = schemas.schema_id INNER JOIN sys.default_const...