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When do items in HTML5 local storage expire?

...may run into space considerations. It's good to program defensively. Generally however things remain "forever" based on some practical definition of that word. edit — obviously, your own application can actively remove stuff if it decides it's too old. That is, you can explicitly include some so...
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How do I remove documents using Node.js Mongoose?

...you don't feel like iterating, try FBFriendModel.find({ id:333 }).remove( callback ); or FBFriendModel.find({ id:333 }).remove().exec(); mongoose.model.find returns a Query, which has a remove function. Update for Mongoose v5.5.3 - remove() is now deprecated. Use deleteOne(), deleteMany() or findO...
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Facebook share button and custom text [closed]

...matically from the page that you are sharing. In order to "help" facebook API find those things you can put the following things in the header of the page that you are sharing: <meta property="og:title" content="title" /> <meta property="og:description" content="description" /> <m...
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Using @property versus getters and setters

... Prefer properties. It's what they're there for. The reason is that all attributes are public in Python. Starting names with an underscore or two is just a warning that the given attribute is an implementation detail that may not stay the same in future versions of the code. It doesn't preven...
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Is it possible to ping a server from Javascript?

...ther parts of the source but you get the idea). function Pinger_ping(ip, callback) { if(!this.inUse) { this.inUse = true; this.callback = callback this.ip = ip; var _that = this; this.img = new Image(); this.img.onload = function() {_that.good();}; this.img.onerro...
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How to programmatically set drawableLeft on Android button?

I'm dynamically creating buttons. I styled them using XML first, and I'm trying to take the XML below and make it programattic. ...
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FormData.append(“key”, “value”) is not working

...rmdata.get(key) and more very useful methods Original answer: What I usually do to 'debug' a FormData object, is just send it (anywhere!) and check the browser logs (eg. Chrome devtools' Network tab). You don't need a/the same Ajax framework. You don't need any details. Just send it: var xhr = ...
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php 获取操作系统、浏览器版本信息(持续更新) - 更多技术 - 清泛网 - 专...

... @return ip归属地信息 */ function getIPLocale($ip) { //用淘宝API获取归属地信息 $retjson = file_get_contents('http://ip.taobao.com/service/getIpInfo.php?ip='.$ip); $info = json_decode($retjson, true); $data = $info['data']; return array($data['country'], $data['region'], ...
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jQuery UI: Datepicker set year range dropdown to 100 years

...You can set the year range using this option per documentation here http://api.jqueryui.com/datepicker/#option-yearRange yearRange: '1950:2013', // specifying a hard coded year range or this way yearRange: "-100:+0", // last hundred years From the Docs Default: "c-10:c+10" The range ...
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How do I monitor the computer's CPU, memory, and disk usage in Java?

... = 390625000 is only how long that thread has been running. That is not really useful for determining the processor usage – MikeNereson Jul 14 '09 at 15:35 2 ...