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How to get object length [duplicate]
....keys() you can simply do:
Object.keys(a).length;
Otherwise (notably in IE < 9), you can loop through the object yourself with a for (x in y) loop:
var count = 0;
var i;
for (i in a) {
if (a.hasOwnProperty(i)) {
count++;
}
}
The hasOwnProperty is there to make sure that you...
Replacing .NET WebBrowser control with a better browser, like Chrome?
...and has been used in a number of major projects including Rdio's Windows client, Facebook Messenger for Windows and Github for Windows.
It features browser controls for WPF and Winforms and has tons of features and extension points. Being based on Chromium it's blisteringly fast too.
Grab it from...
Using tags to turn off caching in all browsers? [duplicate]
...
For modern web browsers (After IE9)
See the Duplicate listed at the top of the page for correct information!
See answer here:
How to control web page caching, across all browsers?
For IE9 and before
Do not blindly copy paste this!
The list is ju...
How to prevent a jQuery Ajax request from caching in Internet Explorer?
...e. Do you know if there are other options apart from changing data to make IE stop caching ? The reason i'm asking is because my requests actually don't make use of 'data' and all data goes alongwith the URL.
– badri
Apr 12 '19 at 13:12
...
记一次MongoDB性能问题 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...用新服务器前先看看相关日志，了解一下基本情况，当我浏览MongoDB日志时，发现一些警告信息：
WARNING: You are running on a NUMA machine. We suggest launching mongod like this to avoid performance problems: numactl –interleave=all mongod [other options]
当...
How to detect page zoom level in all modern browsers?
...ed a project that can be cloned: https://github.com/tombigel/detect-zoom
IE8: screen.deviceXDPI / screen.logicalXDPI (or, for the zoom level relative to default zoom, screen.systemXDPI / screen.logicalXDPI)
IE7: var body = document.body,r = body.getBoundingClientRect(); return (r.left-r.right)/bod...
On - window.location.hash - Change?
...
IE8 does. More to come
– Sergey Ilinsky
May 30 '09 at 15:50
28
...
Make a div into a link
...ight:100%;
top:0;
left: 0;
z-index: 1;
/* fixes overlap error in IE7/8,
make sure you have an empty gif */
background-image: url('empty.gif');
}
It will now cover the panel, and as it's inside an <A> tag, it's a clickable link
give any other links inside the panel positi...
Are fluid websites worth making anymore? [closed]
... decide if I should make it fluid or not. Fixed width websites are much easier to make and also much easier to make them appear consistent.
...
MQTT物联网协议完全实践指南 · App Inventor 2 中文网
... 首页 教育 中文教育版 各版本对比 App上架指南 入门必读 IoT专题 AI2拓展 Aia Store 关于 关于我们 发布日志 服务条款 ...