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Java “Virtual Machine” vs. Python “Interpreter” parlance?
...re any better. They weren't designed to do that. They were designed for
"scripting", which is what programming in a dynamic language is called.
Every operation that takes place in a virtual machine eventually has to hit real hardware. Virtual machines contain pre-compiled routines which are gene...
CoffeeScript, When to use fat arrow (=>) over arrow (->) and vice versa
...rences instance fields:
class A
constructor: (@msg) ->
thin: -> alert @msg
fat: => alert @msg
x = new A("yo")
x.thin() #alerts "yo"
x.fat() #alerts "yo"
fn = (callback) -> callback()
fn(x.thin) #alerts "undefined"
fn(x.fat) #alerts "yo"
fn(-> x.thin()) #alerts "yo"
As y...
is it possible to change values of the array when doing foreach in javascript?
...ree"];
arr.forEach(function(part) {
part = "four";
return "four";
})
alert(arr);
First off, here is where you should be reading about Array.prototype.forEach():
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/forEach
Second, let's talk briefly about v...
How do I fetch a single model in Backbone?
... @makevoid your I could not make work the example you provide in coffee script or the one in the documentation, the Andrew example works, could you provide and example with foo.url(), it always tell me that there's no function url.
– Roberto Alarcon
Dec 13 '...
TaifunWiFi 拓展：WiFi Manager WiFi管理器扩展 · App Inventor 2 中文网
...
TaifunWiFi 拓展：WiFi Manager WiFi管理器扩展
开发动机
功能概述
扩展截图
属性
方法
事件
使用示例
基本WiFi状态检查
扫描可用网络
连接到WiFi网络
获取网络详细信息
错...
Detecting Unsaved Changes
...
This script is awesome, but for me it also displayed the warning message upon submitting my form. I fixed this by unbinding the event in an onClick (onclick="window.onbeforeunload=null")
– Joost
...
JSP : JSTL's tag
...
c:out escapes HTML characters so that you can avoid cross-site scripting.
if person.name = <script>alert("Yo")</script>
the script will be executed in the second case, but not when using c:out
share...
How to find if div with specific id exists in jQuery?
...='display:none;'></div>" + name + "</div>");
} else {
alert('this record already exists');
}
});
Or, the non-jQuery version for this part (since it's an ID):
$("li.friend").live('click', function(){
name = $(this).text();
if(document.getElementById(name) == null) {
...
Parse string to date with moment.js
...t('DD-MM-YYYY'); var dateCalendarPart = moment(date).format('YYYY/MM/DD'); alert(date); alert(dateCalendarPart); Gives an invalid date error?????
– Andrew Day
Jun 15 '16 at 11:17
...
string sanitizer for filename
... unsafe HTML context because this absolutely legal filename:
' onerror= 'alert(document.cookie).jpg
becomes an XSS hole:
<img src='<? echo $image ?>' />
// output:
<img src=' ' onerror= 'alert(document.cookie)' />
Because of that, the popular CMS software Wordpress removes t...