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Rich vs Anemic Domain Model [closed]
...lves: 1) Applying a discount which depends on the customer being member of one of possible many loyalty programs. 2) Applying a discount for orders that contain a specific group of items together depending on the current marketing campaign run by the store. 3) Calculating tax where amount of tax dep...
How do I switch between the header and implementation file in Xcode 4?
...e it works. Click anywhere at all on the actual code. (If you're active in one of the other many panes of Xcode, the keystroke combo has no, or different, meaning(s).)
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Git push rejected after feature branch rebase
...ce-pushing them back to remote repository is OK as long as you're the only one who works on that branch.
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What is an abstract class in PHP?
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An abstract class is a class that contains at least one abstract method, which is a method without any actual code in it, just the name and the parameters, and that has been marked as "abstract".
The purpose of this is to provide a kind of template to inherit from and to forc...
How to disassemble one single function using objdump?
...would suggest using gdb as the simplest approach. You can even do it as a one-liner, like:
gdb -batch -ex 'file /bin/ls' -ex 'disassemble main'
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How to fix the Hibernate “object references an unsaved transient instance - save the transient insta
...pens because you have a collection in your entity, and that collection has one or more items which are not present in the database. By specifying the above options you tell hibernate to save them to the database when saving their parent.
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SQL: How to properly check if a record exists
...E unique_key = value;
The first alternative should give you no result or one result, the second count should be zero or one.
How old is the documentation you're using? Although you've read good advice, most query optimizers in recent RDBMS's optimize SELECT COUNT(*) anyway, so while there is a di...
Is there hard evidence of the ROI of unit testing?
...is good evidence that this is not the case. Fixing post-release bugs is exponentially more expensive than bugs found early in development (which is what TDD does). In that context, a cost of 0.01% of total development for all post-release bugs seems unlikely. (For details see Code Complete, in parti...
One-liner to take some properties from object in ES 6
How one can write a function, which takes only few attributes in most-compact way in ES6?
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How to pull a random record using Django's ORM?
...ent on my site. On the main webpage I'd like to show some of them: newest, one that was not visited for most time, most popular one and a random one.
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