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How to get a JavaScript object's class?
...yClass(), it will return "MyClass".
It will return "Number" for numbers, "Array" for arrays and "Function" for functions, etc. It generally behaves as expected. The only cases where it fails are if an object is created without a prototype, via Object.create( null ), or the object was instantiated f...
How do I pass command line arguments to a Node.js program?
...re are the node docs on handling command line args:
process.argv is an array containing the command line arguments. The first element will be 'node', the second element will be the name of the JavaScript file. The next elements will be any additional command line arguments.
// print process.ar...
Why does the arrow (->) operator in C exist?
...mpletely different depending on whether you're indexing a multidimensional array or an array of pointer and anything could be a macro hidinging anything (the uppercasing naming convention helps there but C doesn't).
– PSkocik
Jun 13 '18 at 11:28
...
Any difference between First Class Function and High Order Function
... = []
map f (x:xs) = f x : map f xs
That is, it takes a function, and an array, and returns a new array with the function applied to each element.
Functional languages -- languages where functions are the primary means of building programs -- all have first class functions. Most also have higher ...
How to reset a form using jQuery with .reset() method
... @DylanChensky the magic of jQuery is that everything is a set (array). Just as if you were using a regular array in jQuery [0] selects the first element. But in jQuery, it selects the actual html of the element. So, [0] is giving you the html, which allows you to call the html, not jQuer...
String is immutable. What exactly is the meaning? [duplicate]
...a char[] containing a series of UTF-16 code units, an int offset into that array, and an int length.
For example.
String s
It creates space for a string reference. Assigning copies references around but does not modify the objects to which those references refer.
You should also be aware that
...
How does the extend() function work in jQuery?
... 'a2': 2}} This is deep copy with many level of object (just like level of array)
jQuery.extend(a,b,c) with a, b, c is object or array. The flow overrite will be b->a, c ->a (b overrite a, c override a ...) this function will return a and a also change value too.
Advanced Examples:
jQuer...
SQL injection that gets around mysql_real_escape_string()
...gt;prepare('SELECT * FROM test WHERE name = ? LIMIT 1');
$stmt->execute(array("\xbf\x27 OR 1=1 /*"));
Now, it's worth noting that you can prevent this by disabling emulated prepared statements:
$pdo->setAttribute(PDO::ATTR_EMULATE_PREPARES, false);
This will usually result in a true prepared...
HTML5 record audio to file
...nction mergeBuffers(recBuffers, recLength){
var result = new Float32Array(recLength);
var offset = 0;
for (var i = 0; i < recBuffers.length; i++){
result.set(recBuffers[i], offset);
offset += recBuffers[i].length;
}
return result;
}
...
Reading CSV files using C#
...eader to read the file
Regex to detect the delimiter from each line(s).
An array to collect the columns from index 0 to n
using (StreamReader reader = new StreamReader(fileName))
{
string line;
while ((line = reader.ReadLine()) != null)
{
//Define patter...