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For the Delete Author user story, we simply want to test that posting a form to the destroy action correctly deletes the author from the database and then redirects us to the index page. Let s open author_controller_test.rb again and add another test case to it. def test_destroy assert_difference(Author, :count, -1) do post :destroy, :id => 1 assert_response :redirect assert_redirected_to :action => 'index' end end The test code is fairly simple, and the only thing new is that this time we pass -1 as the difference argument to assert_difference, in order to make sure the number of authors decreases by one as the result of the destroy action. Implementing the destroy action is straightforward. We don t need a view for it, since the action just deletes the author and redirects back to the author list. def destroy @author = Author.find(params[:id]) flash[:notice] = "Successfully deleted author #{@author.name}" @author.destroy redirect_to :action => 'index' end That s all the code it takes to delete an author. We again fetch the right author from the database using the find method, and then use the ActiveRecord destroy method to delete the author from the database. In between, we populate the flash notice so that the index page where we redirect the user will show a notification to the user about the successful deletion. We can now run the whole test enchilada. java qr code reader download Free Qr Code Reader Nokia E63 Java Apps - Mobiles24
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QR Code Reader Java Apps - Download with Nokia, Samsung, Motorola, LG, Sony Ericsson, Blackberry and for all other Java supported J2ME mobile phones. In order to avoid the cumbersome code of the preceding example, it would be useful to be able to do something like this: x = 1 while x <= 100: print x x += 1 Now, how do you do that in Python You guessed it you do it just like that. Not that complicated is it You could also use a loop to ensure that the user enters a name, as follows: name = '' while not name: name = raw_input('Please enter your name: ') print 'Hello, %s!' % name Try running this, and then just pressing the Enter key when asked to enter your name: the question appears again because name is still an empty string, which evaluates to false. $ ruby test/functional/admin/author_controller_test.rb Loaded suite test/functional/admin/author_controller_test Started ...... Finished in 0.176094 seconds. 6 tests, 31 assertions, 0 failures, 0 errors The result is 31 assertions, no failures, no errors. It works! It works!!! We exchange a couple of high-fives before we start the WEBrick server again, and point the browser to http://localhost:3000/admin/author/. The result is shown in Figure 2-4. qr code scanner java mobile UpCode QRCode Reader Java App - Download for free on PHONEKY
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Jul 17, 2017 · Scan this: You will be redirected to https://crunchify.com QR code (abbreviated from Quick Response Code) is the trademark for a type of matrix ... The Release Info section contains the following fields (see Figure 10-12): Release Version: Numeric value representing your current version API Version: Also separate version info for your API Release Stability: State of your module; Development, Alpha, Beta, Stable API Stability: State of the API Notes: Any additional information for your users Tip What would happen if you entered just a space character as your name Try it. It is accepted because a string with one space character is not empty, and therefore not false. This is definitely a flaw in our little program, but easily corrected: just change while not name to while not name or name.isspace(), or, perhaps, while not name.strip(). Browsing around the interface creating, editing, and deleting authors we can see that everything works. However, we find one shortcoming. The flash notifications we used to display messages to the user are not shown. Indeed, while we did assign the messages, we are never displaying them in the user interface. Again, we create a failing test assertion demonstrating this flaw. We could put the new test in all the test methods that should be showing a notice using flash, but we settle for doing it in the author deletion test. Figure 4-11. Creating a credit memo from a sales order. Credit memos can refund portions or entire orders to customers. Once a credit memo has been created, it will be listed in the credit memo grid page. This grid page shares the same filtering options as orders, invoices, and shipments (see Figure 4-12). read qr code from pdf java Write a QR Code Reader in Java using Zxing | CalliCoder
Jun 20, 2017 · Learn how to read QR code images in Java using google's zxing library. java qr code scanner The ZXing (“zebra crossing”) is an open-source, multi-format 1D/2D barcode image processing library implemented in Java , with ports to other languages.
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Reading a QR Code
The ZXing (“zebra crossing”) is an open-source, multi-format 1D/2D barcode image processing library implemented in Java , with ports to other languages. ... Reading a QR Code
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