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How can I output leading zeros in Ruby?
...counter is known (e.g., n = 3 for counters 1..876), you can do
str = "file_" + i.to_s.rjust(n, "0")
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Get JSON object from URL
...annot use object of type stdClass as array in F:\wamp\www\sandbox\linkedin\test.php on line 22
– user2199343
Mar 25 '13 at 14:39
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Java: How to test methods that call System.exit()?
...methods that should call System.exit() on certain inputs. Unfortunately, testing these cases causes JUnit to terminate! Putting the method calls in a new Thread doesn't seem to help, since System.exit() terminates the JVM, not just the current thread. Are there any common patterns for dealing wi...
UITableViewHeaderFooterView: Unable to change background color
...gn custom view: myTableViewHeaderFooterView.backgroundView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"myImage.png"]];
– skywinder
Jan 16 '14 at 6:28
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Finding three elements in an array whose sum is closest to a given number
...A, but now you don't need the target value anymore.
Clearly, if we simply test all possible 3-tuples, we'd solve the problem in O(n3) -- that's the brute-force baseline. Is it possible to do better? What if we pick the tuples in a somewhat smarter way?
First, we invest some time to sort the array,...
Read text file into string array (and write)
... is also quite useful when starting with a language removing the need initially to access a database. Does one exist in Golang?
e.g.
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Broken references in Virtualenvs
I recently installed a bunch of dotfiles on my Mac along with some other applications (I changed to iTerm instead of Terminal, and Sublime as my default text editor) but ever since, all my virtual environments have stopped working, although their folders inside .virtualenvs are still there and they ...
Can Visual Studio 2012 be installed side-by-side w/ Visual Studio 2010?
...ng the point of the problem. The problem only exists if you depend on your tests on your development machine to tell you when your application works. If you can test in the environment your customers will use (and I think most developers are in this position), then you don't have this problem. If yo...
RSpec vs Cucumber (RSpec stories) [closed]
...ild.
In our Rails work, Cucumber stories do not substitute for rspec unit tests. The two go hand in hand. In practice, the unit tests tend to drive development of the models and controllers, and the stories tend to drive development of the views (we tend not to write rspec for our views) and provid...
Java: Integer equals vs. ==
...Objects and == for primitives. You can't rely on autounboxing for equality testing.
– Adam
Sep 3 '10 at 17:50
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