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sqlalchemy: how to join several tables by one query?
...rmissions.document,
).filter(
User.email == 'someemail',
).all()
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Copy tables from one database to another in SQL Server
I have a database called foo and a database called bar. I have a table in foo called tblFoobar that I want to move (data and all) to database bar from database foo. What is the SQL statement to do this?
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System.Data.SQLite Close() not releasing database file
...em a while ago while writing a DB abstraction layer for C# and I never actually got around to finding out what the issue was. I just ended up throwing an exception when you attempted to delete a SQLite DB using my library.
Anyway, this afternoon I was looking through it all again and figured I woul...
Take all my changes on the current branch and move them to a new branch in Git
...anything yet, so that first line was a welcome sight... phew, that was actually quite painless:-)
– Drenai
Dec 11 '17 at 15:52
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What is the purpose of .PHONY in a Makefile?
...he file system. Good examples for this are the common targets "clean" and "all". Chances are this isn't the case, but you may potentially have a file named clean in your main directory. In such a case Make will be confused because by default the clean target would be associated with this file and Ma...
Interface vs Base class
... and let's illustrate using C#:
Both a dog and a cat are animals, specifically, quadruped mammals (animals are waaay too general). Let us assume that you have an abstract class Mammal, for both of them:
public abstract class Mammal
This base class will probably have default methods such as:
Fe...
Global variables in Java
...
public static int b;
}
now you can access a and b from anywhere
by calling
Example.a;
Example.b;
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Git: copy all files in a directory from another branch
How do I copy all files in a directory from another branch? I can list all of the files in that directory by doing
2 Answe...
How to upload a project to Github
...e I wrote this answer, github released a native windows client which makes all the below steps redundant.
You can also use sourcetree to get both git and mercurial setup on Windows.
Here is how you would do it in Windows:
If you don't have git installed, see this article on how to set it up.
O...
Implementing IDisposable correctly
...uld have any unmanaged resources to be freed you should include Finalizer calling Dispose(false), that will allow GC to call Finalizer when doing garbage collection (in case Dispose was not called yet) and properly free unmanaged resources.
– mariozski
May 17 '...