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What are the applications of binary trees?
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To squabble about the performance of binary-trees is meaningless - they are not a data structure, but a family of data structures, all with different performance characteristics. While it is true that unbalanced binary trees perform much worse than ...
How to encode URL parameters?
... which makes square brackets reserved (for IPv6) and thus not encoded when forming something which could be part of a URL (such as a host), the following code snippet may help:
function fixedEncodeURI(str) { return encodeURI(str).replace(/%5B/g, '[').replace(/%5D/g, ']'); }
Regarding encodeURICom...
Can't subtract offset-naive and offset-aware datetimes
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(Just for the record) Actually adding information about time zone may be a better idea: stackoverflow.com/a/4530166/548696
– Tadeck
Jun 21 '12 at 4:59
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Why are there two kinds of functions in Elixir?
...at there wasn't a dot notation. Consider this code:
val = 5
if :rand.uniform < 0.5 do
val = fn -> 5 end
end
IO.puts val # Does this work?
IO.puts val.() # Or maybe this?
Given the above code, I think it's pretty clear why you have to give Elixir the hint. Imagine if every variabl...
Using printf with a non-null terminated string
...The conversion specifications in a printf template string have the general form:
% [ param-no $] flags width [ . precision ] type conversion
or
% [ param-no $] flags width . * [ param-no $] type conversion
The second form is for getting the precision from the argument list:
You can a...
How do I load a PHP file into a variable?
...l load then evaluate the file contents. The PHP file will need to be fully formed with <?php and ?> tags for eval to evaluate it.
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OnChange event handler for radio button (INPUT type=“radio”) doesn't work as one value
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var rad = document.myForm.myRadios;
var prev = null;
for (var i = 0; i < rad.length; i++) {
rad[i].addEventListener('change', function() {
(prev) ? console.log(prev.value): null;
if (this !== prev) {
prev ...
How do I set up NSZombieEnabled in Xcode 4?
...t Edit Scheme from Product > Scheme Menu
select Enable Zombie Objects form the Diagnostics tab
As alternative, if you prefer .xcconfig files you can read this article https://therealbnut.wordpress.com/2012/01/01/setting-xcode-4-0-environment-variables-from-a-script/
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How do I Sort a Multidimensional Array in PHP [duplicate]
...970"). In this case we want to specify how to project the actual data to a form that can be compared directly with the desired semantics.
Projections can be specified as any type of callable: as strings, arrays, or anonymous functions. A projection is assumed to accept one argument and return its p...
Why should I declare a virtual destructor for an abstract class in C++?
...xample:
Base *p = new Derived;
// use p as you see fit
delete p;
is ill-formed if Base doesn't have a virtual destructor, because it will attempt to delete the object as if it were a Base *.
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