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Cannot push to Git repository on Bitbucket
...trange error. I've used Git before on Bitbucket but I just reformatted and now I can't seem to get Git to work. After doing a commit, I had to add my email and name to the globals, but then it committed just fine.
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Is it possible to make abstract classes in Python?
...class is already established as abstract shouldn't the compiler/interpret know that all the methods are from the abstract class in question?
– Charlie Parker
Mar 17 '14 at 3:30
35
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Remove ActiveRecord in Rails 3
Now that Rails 3 beta is out, I thought I'd have a look at rewriting an app I have just started work on in Rails 3 beta, both to get a feel for it and get a bit of a head-start. The app uses MongoDB and MongoMapper for all of its models and therefore has no need for ActiveRecord. In the previous ver...
Using vagrant to run virtual machines with desktop environment
...o |vb|
vb.gui = true
end
Boot the VM and observe the new display window. Now you just need to install and start xfce4. Use vagrant ssh and:
sudo apt-get install xfce4
sudo startxfce4&
If this is the first time you're running this Ubuntu environment, you'll need to run the following command ...
What is the “N+1 selects problem” in ORM (Object-Relational Mapping)?
...s (also rows). In other words, Car → Wheel is a 1-to-many relationship.
Now, let's say you need to iterate through all the cars, and for each one, print out a list of the wheels. The naive O/R implementation would do the following:
SELECT * FROM Cars;
And then for each Car:
SELECT * FROM Wheel W...
ASP.NET MVC Razor pass model to layout
...ou mean to use RenderAction from the layout? (I'm just looking at it right now)
– eglasius
Apr 11 '11 at 23:11
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How do you roll back (reset) a Git repository to a particular commit? [duplicate]
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@MariuszNowak after doing git reset --hard <commit-id>, ( 2 back ) when doing "git push -f origin master" I get "remote: error: denying non-fast-forward refs/heads/master (you should pull first)" it is my repo and I want to tak...
AutoLayout with hidden UIViews?
... this as the accepted answer? It's been available for three release cycles now.
– Ryan Romanchuk
Feb 13 '18 at 6:02
1
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How to determine if Javascript array contains an object with an attribute that equals a given value?
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You don't need a flag if all you need to know is whether or not "something" is in, you can just check the value of the scan index with the size of array. For this to work the index var needs to be declared before the for statement of course.
– A...
How to store a list in a column of a database table
...e. In the same vein, however, they should not be used as a substitute for knowing how the processes they employ actually work.
Your list may be entirely "atomic" now, and that may not change for this project. But you will, however, get into the habit of doing similar things in other projects, and y...