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Using IQueryable with Linq
...Products table, and you want to get all of the products whose cost is >$25.
If you do:
IEnumerable<Product> products = myORM.GetProducts();
var productsOver25 = products.Where(p => p.Cost >= 25.00);
What happens here, is the database loads all of the products, and passes them ac...
How to verify a user's password in Devise
...
269
I think this is a better, and more elegant way of doing it:
user = User.find_by_email(params[...
Why do I want to avoid non-default constructors in fragments?
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Andrii Abramov
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answered Aug 21 '12 at 22:08
nistv4nnistv4n
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Should I avoid 'async void' event handlers?
...sync Task OnFormLoadAsync(object sender, EventArgs e)
{
await Task.Delay(2000);
...
}
private async void Form_Load(object sender, EventArgs e)
{
await OnFormLoadAsync(sender, e);
}
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i...
How to read data from a zip file without having to unzip the entire file
...teLine("Comment: {0}", zip.Comment);
System.Console.WriteLine("\n{1,-22} {2,8} {3,5} {4,8} {5,3} {0}",
"Filename", "Modified", "Size", "Ratio", "Packed", "pw?");
System.Console.WriteLine(new System.String('-', 72));
header = false;
}
Syste...
Android - Writing a custom (compound) component
...components at once. So I think you can imagine that this Activity has like 20 fields (a field for almost every component). Also it contains a lot of logic (click listeners, logic to fill lists, etc).
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Getting value of public static final field/property of a class in Java via reflection
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answered Apr 21 '10 at 18:06
M. JessupM. Jessup
7,59811 gold badge2222 silver badges2929 bronze badges
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remove legend title in ggplot
I'm trying to remove the title of a legend in ggplot2 :
5 Answers
5
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Convert dictionary to list collection in C#
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answered Oct 19 '10 at 12:58
Justin NiessnerJustin Niessner
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Backwards migration with Django South
... with files in it named like
0000_initial.py
0001_added_some_fields.py
0002_added_some_more_fields.py
0003_deleted_some_stuff.py
Normally, when you run ./manage.py migrate your_app, South runs all new migrations, in order. (It looks at the database tables to decide which ones are 'new').
However...