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Hudson or Teamcity for continuous integration? [closed]
...Hudson and Teamcity seem to be free but Teamcity seems slicker and with more support.
9 Answers
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Is R's apply family more than syntactic sugar?
...e exception to this is lapply which can be a little faster because it does more work in C code than in R (see this question for an example of this).
But in general, the rule is that you should use an apply function for clarity, not for performance.
I would add to this that apply functions have...
What techniques can be used to speed up C++ compilation times?
... whatever, don't include the entire definition, forcing the compiler to do more work than it needs to. This can have a cascading effect, making this way slower than they need to be.
The I/O streams are particularly known for slowing down builds. If you need them in a header file, try #including &lt...
Why should I use Hamcrest-Matcher and assertThat() instead of traditional assertXXX()-Methods
...hey behave almost the same.
But when you come to checks that are somewhat more complex, then the advantage becomes more visible:
assertTrue(foo.contains("someValue") && foo.contains("anotherValue"));
vs.
assertThat(foo, hasItems("someValue", "anotherValue"));
One can discuss which one...
Hibernate vs JPA vs JDO - pros and cons of each? [closed]
... yourself to pure JPA is that you can switch to another JPA implementation more easily.
– Stephen C
Sep 19 '10 at 2:58
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Set a default parameter value for a JavaScript function
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Advantages of stateless programming?
...ctions are pure and do not mutate state in other parts of an application), more terse and expressive code, less boilerplate code compared to languages which are heavily dependent on design patterns, and the compiler can more aggressively optimize your code.
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Is optimisation level -O3 dangerous in g++?
...nd to reveal cases where people rely on undefined behavior, due to relying more strictly on the rules, and especially corner cases, of the language(s).
As a personal note, I am running production software in the financial sector for many years now with -O3 and have not yet encountered a bug that wo...
What are best practices for REST nested resources?
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While there is no prohibition, I consider it more elegant to have only one path to a resource - keeps all mental models simpler. I also prefer that URIs don't change their resource type if there is any nesting. for example /company/* should only return the company resou...
What are some (concrete) use-cases for metaclasses?
...ractive plotting wrapper and an offscreen plotting wrapper, I found it was more efficient to do this via metaclasses, wrapping the appropriate methods, than to do something like:
class PlottingInteractive:
add_slice = wrap_pylab_newplot(add_slice)
This method doesn't keep up with API changes ...