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Ruby send vs __send__
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Apart from what others already told you, and what boils down to saying that send and __send__ are two aliases of the same method, you might be interested in the third, somwhat different possibility, which is public_send. Example:
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C# Sort and OrderBy comparison
...o both questions are "no" then it really doesn't matter which one you pick from a performance perspective.
– Eric Lippert
Dec 2 '09 at 16:10
12
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How does the C# compiler detect COM types?
...e code is generated as (IPIAINTERFACE)Activator.CreateInstance(Type.GetTypeFromClsid(GUID OF COCLASSTYPE))
If:
you are "new"ing an interface type, and
the interface type has a known coclass, and
you ARE NOT using the "no pia" feature for this interface
then the code is generated as if you'd sai...
How does generic lambda work in C++14?
...d function parameters of the function call
operator template are derived from the lambda-expression’s trailing-return-type and parameter-declarationclause
by replacing each occurrence of auto in the decl-specifiers of the parameter-declaration-clause with
the name of the corresponding invent...
Abort makefile if variable not set
... variable only if a certain target is invoked.
$(call check_defined, ...) from inside the recipe
Just move the check into the recipe:
foo :
@:$(call check_defined, BAR, baz value)
The leading @ sign turns off command echoing and : is the actual command, a shell no-op stub.
Showing targe...
“Could not find bundler” error
...that I reinstalled zsh and in the process accidentally blew this line away from my .zshrc. Had been pulling my hair out over this for a while :)
– rmurphey
Aug 27 '12 at 14:31
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Why does Java's Arrays.sort method use two different sorting algorithms for different types?
...The java quicksort is a modified quicksort that does not derade to O(n^2), from the docs "This algorithm offers n*log(n) performance on many data sets that cause other quicksorts to degrade to quadratic performance"
– sbridges
Jan 7 '12 at 17:46
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How can I set the max-width of a table cell using percentages?
... using the css property table-layout: fixed on the table tag. Answer below from this question CSS percentage width and text-overflow in a table cell
This is easily done by using table-layout: fixed, but a little tricky because not many people know about this CSS property.
table {
width: 100%;
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Why can't enum's constructor access static fields?
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Quote from JLS, section "Enum Body Declarations":
Without this rule, apparently reasonable code would fail at run time
due to the initialization circularity inherent in enum types. (A
circularity exists in any class with a ...
Best practice using NSLocalizedString
...amp; decoding for you (You have to manually specify a way to decode String from key though).
Why is this great?
You no longer need have a key as a plain string all over the places.
Wrong keys are detected at compile time.
Xcode can do autocomplete.
While there're tools that can autocomplete yo...