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What does the C++ standard state the size of int, long type to be?
...atically (compile-time) assert the sizeof these fundamental types. It will alert people to think about porting your code if the sizeof assumptions change.
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How to count certain elements in array?
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for laughs: alert(eval('('+my_array.join('==2)+(')+'==2)')) jsfiddle.net/gaby_de_wilde/gujbmych
– user40521
Jan 7 '16 at 19:29
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jQuery callback for multiple ajax calls
...estsCompleted({
numRequest: 3,
singleCallback: function(){
alert( "I'm the callback");
}
});
//usage in request
$.ajax({
url: '/echo/html/',
success: function(data) {
requestCallback.requestComplete(true);
}
});
$.ajax({
url: '/echo/html/',
success: f...
Converting milliseconds to a date (jQuery/JavaScript)
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var time = new Date().getTime();
var date = new Date(time);
alert(date.toString()); // Wed Jan 12 2011 12:42:46 GMT-0800 (PST)
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How can I do string interpolation in JavaScript?
... 'string' || typeof r === 'number' ? r : a;
}
);
};
// Usage:
alert("I'm {age} years old!".supplant({ age: 29 }));
alert("The {a} says {n}, {n}, {n}!".supplant({ a: 'cow', n: 'moo' }));
If you don't want to change String's prototype, you can always adapt it to be standalone, or place ...
When is JavaScript's eval() not evil?
...ainst the json grammar before using it in eval(). So the json string "{foo:alert('XSS')}" would not pass since “alert('XSS')” is not a proper value.
– Gumbo
Feb 11 '09 at 12:52
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Detect rotation of Android phone in the browser with JavaScript
...e" : "resize";
window.addEventListener(orientationEvent, function() {
alert('HOLY ROTATING SCREENS BATMAN:' + window.orientation + " " + screen.width);
}, false);
Check the window.orientation property to figure out which way the device is oriented. With Android phones, screen.width or screen....
How to easily truncate an array with JavaScript?
...shown below.
var stooges = ["Moe", "Larry", "Shemp"];
stooges.length = 5;
alert(typeof stooges[4]); // alerts "undefined"
EDIT:
As @twhitehead mentioned below, the addition of undefined elements can be avoided by doing this:
var stooges = ["Moe", "Larry", "Shemp"];
stooges.length = Math.min(sto...
Can you write nested functions in JavaScript?
...an treat functions like any other kind of object.
var foo = function () { alert('default function'); }
function pickAFunction(a_or_b) {
var funcs = {
a: function () {
alert('a');
},
b: function () {
alert('b');
}
};
foo = funcs[a_...
Detect if the app was launched/opened from a push notification
... push notificaion
If the user opens your app from the system-displayed alert, the system may call this method again when your app is about to enter the foreground so that you can update your user interface and display information pertaining to the notification.
public func application(applicat...