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PostgreSQL: Is it better to use multiple databases with one schema each, or one database with multip
After this comment to one of my question, I'm thinking if it is better using one database with X schemas or vice versa.
5...
Git: updating remote branch information
...-d -r remote_name/branch_name
you only remove your local checkout. This command doesn't do anything to the remote repository, which is why it still shows up.
Solution:
git push origin :branch_name
will remove the the remote branch (note the ':'), and
git branch -d branch_name
will remove y...
Boost Statechart vs. Meta State Machine
...MSM is much faster
MSM requires no RTTI or anything virtual
MSM has a more complete UML2 support (for example internal transitions, UML-conform orthogonal regions)
MSM offers a descriptive language (actually several). For example, using the eUML front-end, a transition can be described as Source + E...
How do you write a migration to rename an ActiveRecord model and its table in Rails?
...tion file manually.
Edit:
In Rails 3.1 & 4, ActiveRecord::Migration::CommandRecorder knows how to reverse rename_table migrations, so you can do this:
class RenameOldTableToNewTable < ActiveRecord::Migration
def change
rename_table :old_table_name, :new_table_name
end
end
(You s...
What guarantees are there on the run-time complexity (Big-O) of LINQ methods?
... using LINQ quite a bit, and I haven't really seen any mention of run-time complexity for any of the LINQ methods. Obviously, there are many factors at play here, so let's restrict the discussion to the plain IEnumerable LINQ-to-Objects provider. Further, let's assume that any Func passed in as ...
how to write setTimeout with params by Coffeescript
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I think it's a useful convention for callbacks to come as the last argument to a function. This is usually the case with the Node.js API, for instance. So with that in mind:
delay = (ms, func) -> setTimeout func, ms
delay 1000, -> something param
Granted, this adds...
Referencing a string in a string array resource with xml
... you take a look into the Android Resource here:
http://developer.android.com/guide/topics/resources/string-resource.html
You see than under the array section (string array, at least), the "RESOURCE REFERENCE" (as you get from an XML) does not specify a way to address the individual items. You can...
Are class names in CSS selectors case sensitive?
...hich have no semantics associated with them), or because it's difficult to come up with a usable syntax.
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Why does Assert.AreEqual(T obj1, Tobj2) fail with identical byte arrays
...and, since they are different objects, they are not equal. You'll want to compare each byte in the array and verify that they are equal. One way to do this is convert them to something that implements ICollection and use CollectionAssert.AreEqual() instead.
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How do I pick randomly from an array?
...m glad you pointed out the versioning; I am using 1.9.2. apidock (mladen's comment) does not have sample; neither does ruby-doc. In your opinion, what is the best reference for Ruby, updated to 1.9?
– Paul Hoffer
Aug 15 '10 at 1:15
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