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Add a column to existing table and uniquely number them on MS SQL Server
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It would help if you posted what SQL database you're using. For MySQL you probably want auto_increment:
ALTER TABLE tableName ADD id MEDIUMINT NOT NULL AUTO_INCREMENT KEY
Not sure if this applies the values retroactively though. If it doesn't you should just be able to iterate over you...
Django CharField vs TextField
...nce among these three types", but AFAIK there are some differences in e.g. MySQL, so this is something to keep in mind.
A good rule of thumb is that you use CharField when you need to limit the maximum length, TextField otherwise.
This is not really Django-specific, also.
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Is it acceptable and safe to run pip install under sudo?
...sudo pip'?
To install Python package in your home directory you don't need root privileges. See description of --user option to pip.
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Is there a library function for Root mean square error (RMSE) in python?
I know I could implement a root mean squared error function like this:
12 Answers
12
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Why does LayoutInflater ignore the layout_width and layout_height layout parameters I've specified?
...resource: ID for an XML layout resource to load (e.g., R.layout.main_page)
root: Optional view to be the parent of the generated hierarchy (if attachToRoot is true), or else simply an object that provides a set of LayoutParams values for root of the returned hierarchy (if attachToRoot is false.)
att...
How to handle dependency injection in a WPF/MVVM application
...ar container = CreateContainer();
var viewModel = container.Resolve<RootViewModel>();
var window = new MainWindow { DataContext = viewModel };
window.Show();
}
}
This is based around an object graph of view-models rooted at the RootViewModel but you can inject some view-model ...
How to prevent blank xmlns attributes in output from .NET's XmlDocument?
...ng around, I figured out how to remove blank xmlns attributes: pass in the root node's namespace when creating any child node you want not to have a prefix on. Using a namespace without a prefix at the root means that you need to use that same namespace on child elements for them to also not have p...
Avoid passing null as the view root (need to resolve layout parameters on the inflated layout's root
Passing null for root studio gives me this warning:
7 Answers
7
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Can't use NVM from root (or sudo)
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Great, this is by far the best solution. This way , root will always use the same npm / node version you are using on the nvm user, thanks!
– luiscvalmeida
Jul 27 '17 at 15:13
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How to create a drop-down list?
...; help of php code taking data from my sql How can I Take these Value from mysql server and make dynamic and admin Updatable spinner
– Ashish Shahi
May 31 '17 at 10:17
add a c...