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Recursion or Iteration?
... they are designed (Fibonacci sequences, traversing a tree like structure, etc.). Recursion makes the algorithm more succinct and easier to understand (therefore shareable and reusable).
Also, some recursive algorithms use "Lazy Evaluation" which makes them more efficient than their iterative brot...
Is Haxe worth learning? [closed]
...fine classes/interfaces/enums/typedefs in the same way for JS, Flash, C++, etc. If those types you define do not depend on a specific platform API, they can be reused from platform to platform with no effort at all. All the platforms also share common APIs like XML access, HTTP connections and refle...
How would I skip optional arguments in a function call?
...bj = new MyObjectClass();
$var = $obj->a(MyObjectClass::DEFAULT_A_B); //etc.
Note that this default constant is defined exactly once throughout the code (there is no value even in method declaration), so in case of some unexpected changes, you will always supply the function/method with correct...
How to convert string to boolean php
...ordPress shortcode attributes that have values such as true, false, on, 0, etc. Great answer, should definitely be the accepted answer.
– AndyWarren
Jun 8 '17 at 17:49
11
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New line in JavaScript alert box
...
you have to use double quotes to display special char like \n \t etc... in js alert box
for exemple in php script:
$string = 'Hello everybody \n this is an alert box';
echo "<script>alert(\"$string\")</script>";
But a second possible problem arrives when you want to display ...
一个故事告诉你比特币的原理及运作机制 - 创意 - 清泛网 - 专注C/C++及内核技术
...事的方式，逐步告诉大家比特币提出的动机、解决了什么问题以及一些关键组件的目标和设计方案。
问题的提出
我们先从比特币产生的动机开始。
以物易物的比特村
话说在这个世界上，有一个叫比特村的小村庄，村庄共有...
How to force file download with PHP
...dd proper content type based on your file application/zip, application/pdf etc. - but only if you do not want to trigger the save-as dialog.
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How to detect duplicate values in PHP array?
...utput
Array
(
[apple] => 2
[orange] => 1
[pear] => 2
etc...
)
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How to use PHP OPCache?
... include things like: the state the cache is in (enabled, restarting, full etc), the memory usage, hits, misses and some more useful information. It will also contain the cached scripts.
var_dump(opcache_get_status());
opcache_reset():
Resets the entire cache. Meaning all possible cached scripts...
Best Practices: working with long, multiline strings in PHP?
... . "The second line starts two lines below.\r\n"
. ".. Third line... etc";
This might be slightly slower than HEREDOC or a multi-line string, but it will flow well with your code's indentation and make it easier to read.
...