osbornm

var things = [
  new Thing1(),
  new Thing1(),
  new Thing2()
];

var OnlyThingOnes = things.filter(function(t){return t.thingOneOnlyProperty !== undefined});

osbornm

function hasItems(data) {
    var value = ko.unwrap(data),
        result = false;

    if (value.length && value.length > 0)
        result = true;

    return result;
}

osbornm

ko.bindingHandlers.href = {
    init: function (element, valueAccessor, allBindings, viewModel, bindingContext) {
        return ko.bindingHandlers['attr']['update'](element, function () {
            return { href: valueAccessor() };
        }, allBindings, viewModel, bindingContext);
    }
}

osbornm

$cd = Add-Type -memberDefinition @"
[DllImport("winmm.dll", CharSet = CharSet.Ansi)] public static extern int mciSendStringA(string lpstrCommand, string lpstrReturnString, int uReturnLength, IntPtr hwndCallback);
"@ -passthru -name mciSendString\
# Where F an G are the Drive letters
$cd::mciSendStringA("set cdaudio!F door closed wait", $null, 1, 1);
$cd::mciSendStringA("set cdaudio!G door closed wait", $null, 1, 1);

osbornm

// asObservable or asObservableArray: if passed an observable use that instance otherwise wrap it in a new observable
var myModel = function(options){
  var self = this;
  self.observable = ko.asObservable(options.possibleObservable);
  self.observableArray = ko.asObservableArray(options.possibleObservableArray);
  return self;
}

// Trackable Observables: the ability to revert to a "good" value
var myForm = function(){

osbornm

<section class="release">
    <h2>NuGet 1.6 Coming Soon!</h2>
    <p>
        NuGet 1.6 is coming soon so stay tuned for more information! Why, wait though NuGet 1.5 has already been released so 
        head over to our docs site and <a href="http://docs.nuget.org/docs/release-notes/nuget-1.5">read all the details</a> of that release.
    </p>
</section>

osbornm

if ($commitSha -eq $null) {
    $commitSha = (& "$gitPath" rev-parse HEAD)
}

if ($commitBranch -eq $null) {
    $commitBranch = (& "$gitPath" name-rev --name-only HEAD)
}

osbornm

var formatters = {
    errors: function (errors, lines, file) {
        var i, error;
        for (i = 0; i < errors.length; i++) {
            error = errors[i];
            if (!error) continue;
            lines.push(file + '(' + error.line + ',' + error.character + '): error JSHint: ' + error.reason);
        }
    },

osbornm

    function _getWidgetBindings(element, valueAccessor, allBindingsAccessor) {
        var value = valueAccessor(),
            myBinding = ko.utils.unwrapObservable(value),
            allBindings = allBindingsAccessor();

        if (typeof (myBinding) === 'string') {
            myBinding = { 'name': myBinding };
        }

        var widgetName = myBinding.name,

osbornm

<!-- Simple Binding -->
<input type="submit" value="OK" data-bind='widget: "button"' />
<!-- Complex Binding with options -->
<input id='search' data-bind='widget: { name: "autocomplete", options: { source: searchCompletions(), delay: 500 } }, value: searchString' />