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MQTT与TCP的区别 - 创客硬件开发 - 清泛IT社区，为创新赋能！
...EO/MEO卫星延迟小，但是覆盖区域有限，每天都会出现卫星切换时的网络中断。因此需要客户端和服务器端都能够保留消息收发状态，在网络恢复正常后继续发送；而且卫星链路带宽低（当然也有高带宽的），通信流量费用高昂；...
Uncaught ReferenceError: $ is not defined?
...t;
<script language="JavaScript" type="text/javascript" src="/js/jquery-ui-personalized-1.5.2.packed.js"></script>
<script language="JavaScript" type="text/javascript" src="/js/sprinkle.js"></script>
...
Is there a better way to express nested namespaces in C++ within the header
...hen I came back to C++ and tried to use namespaces the same way but the required syntax is horrible within the header file.
...
When would I use Task.Yield()?
...ntext.
This can also be useful if you make an asynchronous method that requires some "long running" initialization, ie:
private async void button_Click(object sender, EventArgs e)
{
await Task.Yield(); // Make us async right away
var data = ExecuteFooOnUIThread(); // This will run o...
What is RemoteSystemsTempFiles in Eclipse?
...> Preferences -> General -> Startup and Shutdown and uncheck "RSE UI". Then you can remove the folder and eclipse won't recreate it.
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What APIs are used to draw over other apps (like Facebook's Chat Heads)?
...hought that it's worth mentioning an SDK I developed for creating floating UI: www.tooleap.com
– Arik
Sep 11 '14 at 21:06
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Android: ProgressDialog.show() crashes with getApplicationContext
...e in the onCreate() is being run before the window is actually done being built. This is going to be a hack, but try launching a new Thread in a few hundred milliseconds (IIRC: 300-400 seemed to work for me, but you'll need to tinker) that opens your ProgressDialog and starts anything else you neede...
Combating AngularJS executing controller twice
...directive, the controller gets attached to that dom element by default (or ui-view if you use ui-router). So you will not need to attach it again in the template.
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AngularJs: Reload page
....reloadRoute = function() {
$window.location.reload();
}
Later edit (ui-router):
As mentioned by JamesEddyEdwards and Dunc in their answers, if you are using angular-ui/ui-router you can use the following method to reload the current state / route. Just inject $state instead of $route and th...
The maximum value for an int type in Go
...ement arithmetic, you can infer the
min/max constant values for int and uint. For example,
const MaxUint = ^uint(0)
const MinUint = 0
const MaxInt = int(MaxUint >> 1)
const MinInt = -MaxInt - 1
As per @CarelZA's comment:
uint8 : 0 to 255
uint16 : 0 to 65535
uint32 : 0 to 42949672...