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What is Normalisation (or Normalization)?
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Normalization is basically to design a database schema such that duplicate and redundant data is avoided. If some piece of data is duplicated several places in the database, there is the risk that it is updated in one place but not the other, lead...
What does inverse_of do? What SQL does it generate?
... belongs_to :dungeon, :inverse_of => :evil_wizard
end
In this case, calling dungeon.traps.first.dungeon should return the original dungeon object instead of loading a new one as would be the case by default.
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How to get Git to clone into current directory
...it .
From git help clone:
Cloning into an existing directory is only allowed if the directory is empty.
So make sure the directory is empty (check with ls -a), otherwise the command will fail.
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Renaming a branch in GitHub
...at_is_local
Dissecting the commands a bit, the git push command is essentially:
git push <remote> <local_branch>:<remote_branch>
So doing a push with no local_branch specified essentially means "take nothing from my local repository, and make it the remote branch". I've always t...
Is SonarQube Replacement for Checkstyle, PMD, FindBugs?
...fect policies do not need that memory. Just keep your code base clean 100% all the time.
– Christian Hujer
Jan 7 at 20:04
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Why should I learn Lisp? [closed]
I really feel that I should learn Lisp and there are plenty of good resources out there to help me do it.
29 Answers
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Describe the architecture you use for Java web applications? [closed]
...transactions upon entering the service layer, propagating down to the DAO call's. The Service layer has the most bussines model knowledge, and the DAO's do relatively simple CRUD work.
Some more complicated query stuff is handled by more complicated queries in the backend for performance reasons.
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How to set time zone of a java.util.Date?
... @BrDaHa is correct.You'll need to TimeZone.setDefault() before calling getTime() so that the new date object will be in the time zone that you want. In JDK 1.8, Calendar.getTime() calls return new Date(getTimeInMillis());.
– jpllosa
May 9 '17 at 9:29...
How can I add an item to a IEnumerable collection?
...s can be added. In fact, it does not necessarily represent a collection at all! For example:
IEnumerable<string> ReadLines()
{
string s;
do
{
s = Console.ReadLine();
yield return s;
} while (!string.IsNullOrEmpty(s));
}
IEnumerable<string> lines ...
Maintain model of scope when changing between views in AngularJS
...hen presses the back button, to get back to the old page; and not just put all my data into the rootscope.
The final result is to have a service for each controller. In the controller, you just have functions and variables that you dont care about, if they are cleared.
The service for the control...