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moveCamera with CameraUpdateFactory.newLatLngBounds crashes
...
The solution is simpler than that....
// Pan to see all markers in view.
try {
this.gmap.moveCamera(CameraUpdateFactory.newLatLngBounds(bounds, 50));
} catch (IllegalStateException e) {
// layout not yet initialized
final View mapView = getFragmentManage...
When should we use Observer and Observable?
...ermanent address is changed then you need to notify passport authority and pan card authority. So here passport authority and pan card authority are observers and You are a subject.
On Facebook also, If you subscribe to someone then whenever new updates happen then you will be notified.
When to us...
How to set transform origin in SVG
...
If you're like me and want to pan and then zoom with transform-origin, you'll need a little more.
// <g id="view"></g>
var view = document.getElementById("view");
var state = {
x: 0,
y: 0,
scale: 1
};
// Origin of transform, set to mo...
What does ~> mean in a gem file [duplicate]
In the gem file for https://github.com/justinfrench/formtastic they have:
1 Answer
1...
使用App Inventor扩展实现多点触控：Rotation Detector · App Inventor 2 中文网
...ction() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?8d287b854d737bdc880e8ddeac1b309d"; var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(hm, s); })();
使用App I...
back button callback in navigationController in iOS
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This is also called when the user pans from the left edge (interactivePopGestureRecognizer). In my case, I'm specifically looking for when the user presses back while NOT panning from the left edge.
– Kyle Clegg
Mar 20 '...
Simplest way to detect a mobile device in PHP
...10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1...
Python equivalent of D3.js
...dated more recently. Though the examples are all static D3.
more info:
https://github.com/wrobstory/vincent
https://pypi.python.org/pypi/vincent/0.1.6
The graphs can be viewed in Ipython, just add this code
vincent.core.initialize_notebook()
Or output to JSON where you can view the JSON o...
Detect if Android device has Internet connection
...king() {
boolean success = false;
try {
URL url = new URL("https://google.com");
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
connection.setConnectTimeout(10000);
connection.connect();
success = connection.getResponseCode() ...
如何诊断CDN故障 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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Static File Javascript CDN
Upai Javascript CDN
Sina Javascript CDN
Baidu Javascript CDN
Microsoft Javascript CDN
Google Javascript CDN
平时多留意阿里测，Just-Ping，淘宝IP地址库这类工具网站，关键时候能帮你一把。
CDN 故障诊断