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Domain Driven Design: Domain Service, Application Service
...omain model to the domain service. This question may provide you with some ideas. If not, let me know and I'll see if I have some time to add an answer to the other question.
– Niels van der Rest
Mar 9 '11 at 23:00
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Alternative to google finance api [closed]
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I have no idea. I'm actually not affiliated with Quandl, I just know that it's a place to get data.
– user2023861
Sep 24 '14 at 13:10
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Memoization in Haskell?
...s that some value for f !! 8 exists, that it's equal to g 8, but it has no idea what g 8 is.
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Entity Framework and Connection Pooling
...orm application check this article. It is about NHibernate Session but the idea is same.
Edit:
When you use EF it by default loads each entity only once per context. The first query creates entity instace and stores it internally. Any subsequent query which requires entity with the same key return...
Using emit vs calling a signal as if it's a regular function in Qt
... was implemented by the fire department. May be imprecise, but you get the idea. Let's look at the example of OP.
Some backend object knows how much progress has been made. So it could simply emit progressNotification(...) signal. It is up to the class that displays the actual progress bar, to pick...
Can I use view pager with views (not with fragments)
...then try to swipe to the third page, the third page shows up as blank. Any idea what gives?
– Nathan Walters
May 31 '14 at 19:23
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Does C++ support 'finally' blocks? (And what's this 'RAII' I keep hearing about?)
...n Is Initialization" -- a poor name† for a really useful concept.
The idea is that an object's destructor is responsible for freeing resources. When the object has automatic storage duration, the object's destructor will be called when the block in which it was created exits -- even when that ...
Bash tool to get nth line from a file
...u would expect to be heavily optimized in a modern Unix system.
To get an idea about the performance differences, these are the number that I get for a huge file (9.3G):
tail -n+N | head -1: 3.7 sec
head -N | tail -1: 4.6 sec
sed Nq;d: 18.8 sec
Results may differ, but the performance head | tai...
How can bcrypt have built-in salts?
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This is how I understand it: The idea is that every password has an unique salt. The salt in incorporated in the password hash so a hacker would have to create a rainbow table for every password. This would take an enormous amount of time for a moderate data...
What is an EJB, and what does it do?
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The basic principles are the same. Spring took ideas from EJBs and vice-versa. But the API, implementation, way to deploy, and some features are different.
– JB Nizet
Feb 22 '15 at 11:32
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