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What is the difference between C, C99, ANSI C and GNU C?
...y named ISO/IEC 9899:1990/Amd.1:1995. The main change was introduction of wide character support.
In 1999, the C standard went through a major revision (ISO 9899:1999). This version of the standard is called C99. From 1999-2011, this was "the C language".
In 2011, the C standard was changed again ...
Why are functions in Ocaml/F# not recursive by default?
... decades to the modern variants. So this is just legacy but it does affect idioms in these languages.
Functions are not recursive by default in the French CAML family of languages (including OCaml). This choice makes it easy to supercede function (and variable) definitions using let in those langua...
class
...ss, so that methods can be redefined for the current self object (which inside a class or module body is the class or module itself). Usually, this is used to define class/module ("static") methods:
class String
class << self
def value_of obj
obj.to_s
end
end
end
String.val...
Predicate in Java
...ich uses Predicate in Java. I have never used Predicate . Can someone guide me to any tutorial or conceptual explanation of Predicate and its implementation in Java?
...
Why are C# interface methods not declared abstract or virtual?
...s in interfaces are declared without using the virtual keyword, and overridden in the derived class without using the override keyword.
...
What's the point of having pointers in Go?
...
As a side comment, pass-by-reference was added in C# 2.0 via the "ref" keyword. Of course pointers are still more convenient in certain cases, because we can have pointer to pointer to pointer...
– robbie fan
...
mongoDB/mongoose: unique if not null
...
This answer did it for me too.
– Emmanuel N K
Dec 17 '18 at 2:46
1
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Which is best way to define constants in android, either static class, interface or xml resource?
I'm developing an android application which uses web service to get data from server, for that I'm having three different set of URLs to point development system, test server and live server. It's difficult to change URL whenever I want to give application for testing/live. so I planned to make it a...
What is a Manifest in Scala and when do you need it?
...une into their signal, you can benefit in ways you cannot imagine, from deciding what to eat for lunch or which lotto number to play.
It isn't clear if a Manifest would benefit the errors you are seeing without knowing more detail.
One common use of Manifests is to have your code behave differentl...
Build the full path filename in Python
...ethod will corrupt base_filename if it ever contains a dot.
Footnote: Outside of Micorsoft operating systems, there is no such thing as a file name "extension". Its presence on Windows comes from MS-DOS and FAT, which borrowed it from CP/M, which has been dead for decades. That dot-plus-three-lette...