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Why do people write the #!/usr/bin/env python shebang on the first line of a Python script?
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An important word of warning, env's return value eventually expires. Which is unlikely to affect you if you are running short-lived processes. However, I've had processes dying with the message /usr/bin/env: Key has expired after many hou...
clang: how to list supported target architectures?
...to an llvm::Triple object (defined in include/llvm/ADT/Triple.h). In other words, to dump all available triples requires solving the Halting Problem. See, for example, llvm::ARM_MC::ParseARMTriple(...) which special-cases parsing the string "generic".
Ultimately, though, the "triple" is mostly a ba...
Can you resolve an angularjs promise before you return it?
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I cant describe with words how happy Im, you saved me so much time h.coates!
– rilar
Apr 2 '14 at 10:33
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Is there any way in C# to override a class method with an extension method?
...to the "scope" you desire. I am calling it scope here for lack of a better word. Hopefully someone can let me know what it is actually called.
You might have guessed by my "pass-through" method names that I also toyed with the idea of passing delegates to them in the hopes that a single method or t...
Getters \ setters for dummies
... input and/or output value to suit your needs, as noted above.
get/set Keywords
ECMAScript 5 supports get and set keywords for defining computed properties. They work with all modern browsers except IE 8 and below.
var foo = {
bar : 123,
get bar(){ return bar; },
set bar( value ){ thi...
What is the Invariant Culture?
... Yesss... typical problem for: * American programmers which think the word is english ;) And then german customers write 1.000,00 for 1000 ;) Ouch. * Even in the same language, Switzerland and Germany for example use "." and "," in different ways in numbers. Result -> Config files are garbag...
When to use reinterpret_cast?
...se static cast when the types can be interpreted at compile time hence the word static . This is the cast the C++ compiler uses internally for implicit casts also.
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How does Java Garbage Collection work with Circular References?
...hen an object is unreachable, it is a
candidate for collection. Note the wording: Just because an object is
a candidate for collection doesn't mean it will be immediately
collected. The JVM is free to delay collection until there is an
immediate need for the memory being consumed by the obje...
Why doesn't Objective-C support private methods?
...method might as well not exist as far as your code is concerned. In other words, you can achieve all of the various combinations of visibility desired at compilation time by organizing your project appropriately.
There is little benefit to duplicating the same functionality into the runtime. It w...
Why can't I forward-declare a class in a namespace using double colons?
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You're getting correct answers, let me just try re-wording:
class Namespace::Class;
Why do I have to do this?
You have to do this because the term Namespace::Class is telling the compiler:
...OK, compiler. Go find the
namespace named Namespace, and within
that...