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Good Hash Function for Strings
I'm trying to think up a good hash function for strings. And I was thinking it might be a good idea to sum up the unicode values for the first five characters in the string (assuming it has five, otherwise stop where it ends). Would that be a good idea, or is it a bad one?
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What is attr_accessor in Ruby?
...! And guess what: the instance variable @name in our person object will be set just like when we did it manually, so you can use it in other methods.
class Person
attr_accessor :name
def greeting
"Hello #{@name}"
end
end
person = Person.new
person.name = "Dennis"
person.greeting # =>...
How do I use pagination with Django class based generic ListViews?
...traditional function based views, it is easy to find. I found that just by setting the paginate_by variable is enough to activate the pagination. See in Class-based generic views.
For example, in your views.py:
import models
from django.views.generic import ListView
class CarListView(ListView):
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How to create index in Entity Framework 6.2 with code first
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Without an explicit name:
[Index]
public int Rating { get; set; }
With a specific name:
[Index("PostRatingIndex")]
public int Rating { get; set; }
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How to print a float with 2 decimal places in Java?
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You can use the printf method, like so:
System.out.printf("%.2f", val);
In short, the %.2f syntax tells Java to return your variable (val) with 2 decimal places (.2) in decimal representation of a floating-point number (f) from the start of th...
How to see if an NSString starts with a certain other string?
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Is pass-by-value a reasonable default in C++11?
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Converting Python dict to kwargs?
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Linq order by boolean
...er should inherently know very well that a boolean true means a single bit set to 1? To me, the truth of true > false is about as obvious as can be.
– Mels
Feb 21 '14 at 11:03
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Visual Studio move project to a different folder
...e “File path” entry that allows you to select the new project location
Set the new path
Right click on the project and click reload
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