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Why is exception handling bad?
..., and at the end there should also be a clean state. In between, variable foo may be inconsistent with bar, but your code will eventually rectify that. What exceptions mean is that any one of your statements can interrupt you at any time. The onus is on you in each individual method to get it rig...
How do you configure logging in Hibernate 4 to use SLF4J
....... -->
<dependency>
<groupId>org.foo</groupId>
<artifactId>some-artifact-with-compile-or-runtime-scope-dependency-on-log4j:log4j</artifactId>
<version>${bla}</version>
<exclusio...
Which is faster: Stack allocation or Heap allocation
...n took " << duration << " clock ticks\n";
}
It's said that a foolish consistency is the hobgoblin of little minds. Apparently optimizing compilers are the hobgoblins of many programmers' minds. This discussion used to be at the bottom of the answer, but people apparently can't be bot...
How do I set up DNS for an apex domain (no www) pointing to a Heroku app?
...ase, apex domains are all the same thing. Using interchangeably for google-foo.)
Traditionally, to point your apex domain you'd use an A record pointing to your server's IP. This solution doesn't scale and isn't viable for a cloud platform like Heroku, where multiple and frequently changing backend...
Clang vs GCC for my Linux Development project
...nswered Nov 21 '11 at 0:07
Fred FooFred Foo
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Use of var keyword in C#
...his case)
The type is obvious based upon the assigned expression (i.e. var foo = new TypeWithAReallyLongNameTheresNoSenseRepeating())
var has no performance impacts, as it's syntactic sugar; the compiler infers the type and defines it once it's compiled into IL; there's nothing actually dynamic ab...
What is the difference between Ruby 1.8 and Ruby 1.9
...
/\p{Space}/
Ruby 1.8.6
/[:space:]/
Splat in Middle
Ruby 1.9
def foo(first, *middle, last)
(->a, *b, c {p a-c}).(*5.downto(1))
Fibers
Ruby 1.9
f = Fiber.new do
a,b = 0,1
Fiber.yield a
Fiber.yield b
loop do
a,b = b,a+b
Fiber.yield b
end
end
10.times {puts f.resum...
How can I make setuptools install a package that's not on PyPI?
...hen I run "python setup.py develop", it says "writing dependency_links to foo.egg-info/dependency_links.txt", but doesn't actually download and install the package. I'm using a setuptools-based virtualenv if that helps.
– andrei
Aug 18 '10 at 17:31
...
What is the purpose of Rank2Types?
... a. Show a => a -> b) -> b]
--
example = [mkShowBox 5, mkShowBox "foo"]
result :: [String]
result = map (runShowBox show) example
PS: for anybody reading this who's wondered how come ExistentialTypes in GHC uses forall, I believe the reason is because it's using this sort of technique be...
Is it abusive to use IDisposable and “using” as a means for getting “scoped behavior” for exception
...s been thrown. The program is in an unknown state. We do not know whether Foo, Fiddle or Bar threw, why they threw, or what mutations they performed to other state that were not cleaned up. Can you convince me that in that terrible situation it is always the right thing to do to re-lock?
Maybe it...