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Negative weights using Dijkstra's Algorithm
...u have suggested will indeed find the shortest path in this graph, but not all graphs in general. For example, consider this graph:
Assume the edges are directed from left to right as in your example,
Your algorithm will work as follows:
First, you set d(A) to zero and the other distances to ...
Best way to create custom config options for my Rails app?
... create one config option for my Rails application. It can be the same for all environments. I found that if I set it in environment.rb , it's available in my views, which is exactly what I want...
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How do I copy a string to the clipboard on Windows using Python?
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Actually, pywin32 and ctypes seem to be an overkill for this simple task. Tkinter is a cross-platform GUI framework, which ships with Python by default and has clipboard accessing methods along with other cool stuff.
If all you ...
What is the best way to paginate results in SQL Server
...E OrderDate >= '1980-01-01'
...which may seem inefficient, but is actually pretty performant, assuming all indexes etc. are properly set up.
Next, to get actual results back in a paged fashion, the following query would be most efficient:
SELECT *
FROM ( SELECT ROW_NUMBER() OVER ( ORDE...
UnicodeDecodeError: 'ascii' codec can't decode byte 0xd1 in position 2: ordinal not in range(128)
...code, as per the job specs, but I am baffled. (And quite possibly doing it all wrong.)
10 Answers
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How to prevent line-break in a column of a table cell (not a single cell)?
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I want to apply it to all cells of the same column.
– Steven
Dec 12 '09 at 15:48
8
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How do you pass arguments to define_method?
... your defined method accepts arguments. When you define a method you're really just nicknaming the block and keeping a reference to it in the class. The parameters come with the block. So:
define_method(:say_hi) { |other| puts "Hi, " + other }
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Git vs Team Foundation Server [closed]
... you sure that you will do successful development with that staff?
Does really every single person hate Git or are they influenced by some opinion leaders? Find the leaders and ask them what's the problem. Convince them and you'll convince the rest of the team.
If you cannot convince the leaders: ...
Android - Activity vs FragmentActivity? [duplicate]
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ianhanniballake is right. You can get all the functionality of Activity from FragmentActivity. In fact, FragmentActivity has more functionality.
Using FragmentActivity you can easily build tab and swap format. For each tab you can use...
When should one use RxJava Observable and when simple Callback on Android?
...I decided to try out Square's Retrofit . I see that they support simple Callback
9 Answers
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