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Get GPS location from the web browser
...l informations at http://www.w3schools.com/html/html5_geolocation.asp
<script>
var x = document.getElementById("demo");
function getLocation() {
if (navigator.geolocation) {
navigator.geolocation.getCurrentPosition(showPosition);
} else {
x.innerHTML = "Geolocation is ...
How to play ringtone/alarm sound in Android
...ill get an error - Failed to open ringtone content://settings/system/alarm_alert
– Pritesh Desai
Feb 10 '13 at 19:19
3
...
Reconnection of Client when server reboots in WebSocket
...
When the server reboots, the Web Socket connection is closed, so the JavaScript onclose event is triggered. Here's an example that tries to reconnect every five seconds.
function start(websocketServerLocation){
ws = new WebSocket(websocketServerLocation);
ws.onmessage = function(evt) { al...
What steps should I take to protect my Google Maps API Key?
...
Considering that key has to be included in the <script> tags of your HTML pages, to load the JS files/data from google's servers, there is nothing you can do :
you must put it in your HTML files
every one can take a look at those.
Still, it doesn't really matter : i...
ES6 class variable alternatives
... return this.constructor.MY_CONST;
}
constructor() {
alert(this.MY_CONST === this.constructor.MY_CONST);
}
}
alert(MyClass.MY_CONST);
new MyClass
// alert: string ; true
But if MY_CONST is reference type like static get MY_CONST() {return ['string'];} alert output is str...
How to get jQuery dropdown value onchange event
I have added two jQuery UI Dropdown Autocomplete script. Now I want get both value onchange of second dropdown and want to store separately in variable. How it is possible?
...
How to replace DOM element in place using Javascript?
...ttp://www.stackoverflow.com">StackOverflow</a>
</div>
<script type="text/JavaScript">
var myAnchor = document.getElementById("myAnchor");
var mySpan = document.createElement("span");
mySpan.innerHTML = "replaced anchor!";
myAnchor.parentNode.replaceChild(mySpan, myAnch...
Check if a key exists inside a json object
...(("merchant_id" in thisSession)==false)
{
// do nothing.
}
else
{
alert("yeah");
}
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/in
http://www.w3schools.com/jsref/jsref_operators.asp
...
最新编程语言Alda：用文本编辑器就能谱曲 - 创意 - 清泛网 - 专注C/C++及内核技术
...人还有制作人都要用比较复杂的工具以数字化方式谱曲。开发人员 Dave Yarwood 期望通过它最新打造的Alda来改变这一现状...
这么多年来，作曲人还有制作人都要用比较复杂的工具以数字化方式谱曲。开发人员 Dave Yarwood 期望通过...
MFC CSplitterWnd的用法详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
MFC CSplitterWnd的用法详解用MFC开发一个软件界面中需要拆分多个试图窗口时,使用CSplitterWnd类CSplitterWnd类主要用在创建一个拆分试图窗口。通常嵌入在框架窗口中（...用MFC开发一个软件界面中需要拆分多个试图窗口时,使用CSplitterWnd...