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How can we match a^n b^n with Java regex?
...his answer will guide readers through the process of deriving it. Various hints are given as the solution is slowly constructed. In this aspect, hopefully this answer will contain much more than just another neat regex pattern. Hopefully readers will also learn how to "think in regex", and how to pu...
Why does Windows64 use a different calling convention from all other OSes on x86-64?
...fix byte to select them and therefore have a bigger instruction size footprint, so you wouldn't want to choose any of those if you have options. Of the classical registers, due to the implicit meaning of RBP and RSP these aren't available, and RBX traditionally has a special use on UN*X (global offs...
Prototypical inheritance - writing up [duplicate]
...
Constructor function introduction
You can use a function as a constructor to create objects, if the constructor function is named Person then the object(s) created with that constructor are instances of Person.
var Person = function(name){
th...
How can I sort arrays and data in PHP?
...that this won't work well for float values, since they'll be reduced to an int and lose precision. Use explicit -1, 0 and 1 return values instead.
Objects
If you have an array of objects, it works the same way:
function cmp($a, $b) {
return $a->baz - $b->baz;
}
Functions
You can do anythi...
Remove accents/diacritics in a string in JavaScript
... Considering that '\u00DF'.toUpperCase() evaluates to 'SS', I think converting \u00DF to ss is the right move. The post being a community wiki, perhaps @CodingYourLife would contribute the change you've made?
– user3717023
Jul 1 '15 at 15:29
...
Proper Repository Pattern Design in PHP?
...ta lookups.
The Solution
I'm splitting my persistent storage (database) interaction into two categories: R (Read) and CUD (Create, Update, Delete). My experience has been that reads are really what causes an application to slow down. And while data manipulation (CUD) is actually slower, it happen...
Objective-C categories in static library
...ically result in a
larger executable (due to additional
object code loaded into the
application), it will allow the
successful creation of effective
Objective-C static libraries that
contain categories on existing
classes.
and there is also recommendation in iPhone Development FAQ:
How do I link a...
Why doesn't Java offer operator overloading?
..., perform addition, and copy the resultant value from the temporary object into the existing object a.
However, in Java, operator= doesn't perform value copy for reference types, and users can only create new reference types, not value types. So for a user-defined type named Complex, assignment mea...
Is quitting an application frowned upon?
...o the various answers already given at the time of this writing. I have no intention of changing your mind -- rather, these are here for others who come to read this post in the future.
The point is that I cannot allow for
Android to determine when my app is
going to be terminated. that must be
the...
What's the difference between eval, exec, and compile?
...id syntax
The compile in 'exec' mode compiles any number of statements into a bytecode that implicitly always returns None, whereas in 'eval' mode it compiles a single expression into bytecode that returns the value of that expression.
>>> eval(compile('42', '<string>', 'exec'))...