lonekorean

function f(a, b) {
    alert(a);
    alert(b);
}

f(1);         // a gets 1, while b is undefined
f(1, 2, 3);   // the 3 is ignored

lonekorean

var a = '1' + 1;
var b = '1' - 1;
var c = '1' * 1;
var d = '1' / 1;

alert(a === '11');   // is a string
alert(b === 0);      // is an integer
alert(c === 1);      // is an integer
alert(d === 1);      // is an integer

lonekorean

var s = 'abc abc abc';
alert(s.replace(/abc/, 'xyz'));    // outputs 'xyz abc abc'
alert(s.replace(/abc/g, 'xyz'));   // outputs 'xyz xyz xyz'

lonekorean

SELECT
    C.name AS ColumnName,
    T.name As DataType,
    C.max_length AS Length
FROM sys.columns AS C JOIN sys.types AS T ON C.user_type_id = T.user_type_id
WHERE c.object_id = OBJECT_ID('YOUR_TABLE_NAME_HERE')
ORDER BY c.column_id;

lonekorean

ColumnName  DataType  Length
==========  ========  ======
ID          int       4
Title       varchar   255
Blurb       varchar   255
IsActive    bit       1
Created     datetime  8

lonekorean

// this is bad

function imageLoaded(i) {
    alert(i);
}

for (var i = 0; i < max; i++) {
    var image = new Image();
    image.onload = imageLoaded(i);
    // more irrelevant stuff here

lonekorean

// better, but still not good

function imageLoaded(i) {
    alert(i);
}

for (var i = 0; i < max; i++) {
    var image = new Image();
    image.onload = function () { imageLoaded(i) };
    // more irrelevant stuff here

lonekorean

// hooray!

function imageLoaded(i) {
    return function () {
        alert(i);
    }
}

for (var i = 0; i < max; i++) {
    var image = new Image();

lonekorean

<ul id="nav">
    <li><a href="#">Home</a></li>
    <li>
        <a href="#">Shows</a>
        <ul>
            <li><a href="#">30 Rock</a></li>
            <li><a href="#">Doctor Who</a></li>
            <li><a href="#">The IT Crowd</a></li>
            <li><a href="#">The Office</a></li>
            <li><a href="#">Star Trek</a></li>

lonekorean

#nav {
    overflow: auto;
}