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Difference between Repository and Service Layer?
...user has access to.
In ASP.NET MVC + EF + SQL SERVER, I have this flow of communication:
Views <- Controllers -> Service layer -> Repository layer -> EF -> SQL Server
Service layer -> Repository layer -> EF This part operates on models.
Views <- Controllers -&g...
Covariance, Invariance and Contravariance explained in plain English?
...elation. The simplest example is assignment. The statement
x = y;
will compile only if typeof(y) ≤ typeof(x). That is, we have just learned that the statements
ArrayList<String> strings = new ArrayList<Object>();
ArrayList<Object> objects = new ArrayList<String>();
w...
How to create a custom attribute in C#
...mportant that you understand what attributes are:
Attributes are metadata compiled into your program. Attributes themselves do not add any functionality to a class, property or module - just data. However, using reflection, one can leverage those attributes in order to create functionality.
So, fo...
UITableView, Separator color where to set?
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How to compare times in Python?
I see that date comparisons can be done and there's also datetime.timedelta() , but I'm struggling to find out how to check if the current time ( datetime.datetime.now() ) is earlier, later or the same than a specified time (e.g. 8am) regardless of the date.
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Difference between scaling horizontally and vertically for databases [closed]
I have come across many NoSQL databases and SQL databases. There are varying parameters to measure the strength and weaknesses of these databases and scalability is one of them. What is the difference between horizontally and vertically scaling these databases?
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Node.js / Express.js - How does app.router work?
... you define a route (which is why your routes still worked even though you commented out app.use(app.router)).
A commenter has brought up another point about the order of static and router that I hadn't addressed: the impact on your app's overall performance.
Another reason to use router above stat...
Check if string matches pattern
...
import re
pattern = re.compile("^([A-Z][0-9]+)+$")
pattern.match(string)
Edit: As noted in the comments match checks only for matches at the beginning of the string while re.search() will match a pattern anywhere in string. (See also: https://doc...
Running Internet Explorer 6, Internet Explorer 7, and Internet Explorer 8 on the same machine
...true-to-browser rendering.
Update: Looks like one of the better ways to accomplish this (if running Windows 7) is using Windows XP mode to set up multiple virtual machines: Testing Multiple Versions of IE on one PC at the IEBlog.
Update 2: (11/2014) There are new solutions since this was last upda...
How to call Android contacts list?
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}
break;
}
}
Full source code: tutorials-android.blogspot.com (how to call android contacts list).
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