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package R does not exist

... prefix the offending ids with android., e.g. android.R.layout.simple_list_item_2 You may import android.R instead of prefixing the ids of course, but then you cannot import the application R class anymore and must prefix the application ids, e.g. com.example.android.R.id.main_menu. The R class ...
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Password reset for Azure database

...s portal" from your login In the previous portal click the "Database" menu item on the bottom left Select the database from the subscription click the "reset password" share | improve this answer ...
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Android Studio Checkout Github Error “CreateProcess=2” (Windows)

...Hub path for following path: File > Setting > Version Control List item Click "+" on the top-right conor to open "Add VCS Directory Mapping" Click "Configure VCS" to open "Version Control Configurations" Click "Git" then you'll see Path to Git executable] Input : C:\Users[you user name]\AppD...
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Shuffling a list of objects

...nt to define the permutation (the way you shuffle the list / rearrange the items in the list) first and then apply it to all lists: import random perm = list(range(len(list_one))) random.shuffle(perm) list_one = [list_one[index] for index in perm] list_two = [list_two[index] for index in perm] N...
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Best practice to validate null and empty collection in Java

...ther a collection is empty and null . Could anyone please let me know the best practice. 9 Answers ...
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App Inventor 2 经典蓝牙(SPP) 硬件接入:hc05 · App Inventor 2 中文网

...px 15px rgba(0, 0, 0, .1); display: flex; flex-direction: column; align-items: center; } .feedback-pop:hover, .feedback-pop .feedback-img:hover { color: #3773f5 } .feedback-pop .feedback-img { display: inline-block; width: 24px; height: 24px; margin-bottom: 4px; background: url(/static/imag...
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Convert boolean result into number/integer

... Best answer. Why? This works on truthiness which is more general and accepts any type (string, number, etcetera.) The unary answer is clever indeed, but if I pass it a string it returns NaN. So if you want L33T and guarantee ...
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SQL-Server: Error - Exclusive access could not be obtained because the database is in use

...O RESTORE DATABASE AdventureWorksDW FROM ... ... GO Now, one additional item to be aware. After you set the db into single user mode, someone else may attempt to connect to the db. If they succeed, you won't be able to proceed with your restore. It's a race! My suggestion is to run all three ...
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How to use protractor to check if an element is visible?

...ments that are visible in this way as well. Eg. given a page with multiple items, where only some are visible, you can use: this.visibileIcons = $$('i.icon:not(.ng-hide)'); This will return you all visible i.icons share ...
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How do I find the stack trace in Visual Studio?

...): I was unable to view the stack trace window and did find an option/menu item to view it. On investigating further, it seems this feature is not available on Windows 10. For further information please refer: https://docs.microsoft.com/en-us/windows-hardware/drivers/debugger/viewing-the-call-stack...