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Generating a random password in php
...cdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890';
$pass = array(); //remember to declare $pass as an array
$alphaLength = strlen($alphabet) - 1; //put the length -1 in cache
for ($i = 0; $i < 8; $i++) {
$n = rand(0, $alphaLength);
$pass[] = $alphabet[$n];
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What does [object Object] mean?
...ript!
Function objects:
stringify(function (){}) -> [object Function]
Array objects:
stringify([]) -> [object Array]
RegExp objects
stringify(/x/) -> [object RegExp]
Date objects
stringify(new Date) -> [object Date]
… several more …
and Object objects!
stringify({}) -> [object O...
How to remove elements from a generic list while iterating over it?
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For those coming from Java, C#'s List is like ArrayList in that insertion/removal is O(n) and retrieval via an index is O(1). This is not a traditional linked list. It seems a bit unfortunate C# uses the word "List" to describe this data structure since it brings to mind...
How to parse JSON in Scala using standard Scala classes?
...Any]] =
"{" ~> repsep(member, ",") <~ "}" ^^ (Map() ++ _)
def array: Parser[List[Any]] =
"[" ~> repsep(value, ",") <~ "]"
def member: Parser[(String, Any)] =
stringLiteral ~ ":" ~ value ^^ { case name ~ ":" ~ value => (name, value) }
def value: Parser[Any] = (
...
String.equals versus == [duplicate]
This code separates a string into tokens and stores them in an array of strings, and then compares a variable with the first home ... why isn't it working?
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How to call a parent method from child class in javascript?
...1, arg2, ..) * Hint: use apply() instead of call() to pass arguments as an array.
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Flatten List in LINQ
...merge all my record in my IEnumerable<List<int>> to only one array.
5 Answers
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Asynchronous Process inside a javascript for loop [duplicate]
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Use .forEach() to iterate since it creates its own function closure
someArray.forEach(function(item, i) {
asynchronousProcess(function(item) {
console.log(i);
});
});
Create Your Own Function Closure Using an IIFE
var j = 10;
for (var i = 0; i < j; i++) {
(function(cntr)...
What does a double * (splat) operator do
... but I had a minor addendum. Just as the splat operator can be used on the array you pass, the double splat can be used on hashes. If opts = {d: 40, e: 50}, then foo 10, opts, f: 60 will assign {f: 60} to c, whereas foo 10, **opts, f: 60 will assign {d: 40, e: 50, f: 60}. To achieve the second effec...
What is a segmentation fault?
...the memory they point to has been realloced or deleted.
Used in an indexed array where the index is outside of the array bounds. This is generally only when you're doing pointer math on traditional arrays or c-strings, not STL / Boost based collections (in C++.)
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