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开源MQTT网关：EMQX vs Mosquitto - 创客硬件开发 - 清泛IT社区，为创新赋能！
...QX 是如何支持单集群亿级 MQTT 并发连接的？点击查看详细测试过程 →协议支持Mosiquitto 作为 MQTT Broker 提供了完整的 MQTT 3.1/3.1.1/5.0 协议支持，支持协议规范中的遗嘱消息、保留消息、共享订阅等能力，同时也支持 MQTT over WebSocket...
When writing a directive in AngularJS, how do I decide if I need no new scope, a new child scope, or
I'm looking for some guidelines that one can use to help determine which type of scope to use when writing a new directive. Ideally, I'd like something similar to a flowchart that walks me through a bunch of questions and out pops the correct answer – no new new scope, new child scope, or new isol...
NSDate beginning of day and end of day
...I need an interval that is from the first second of the first date (beginningOfDay:date1) to the last second of the second date (endOfDay:Date2) ...
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How to write into a file in PHP?
I have this script on one free PHP-supporting server:
9 Answers
9
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怎么往SetTimer的回调函数传递参数 - C/C++ - 清泛网 - 专注C/C++及内核技术
...形参的交集，这个交集就是我们可以自定义的参数，经过测试，发现wParam其实就是SetTimer返回的id，也就是 TimerProc的形参idEvent，于是例子如下：
VOID CALLBACK TimerFunc(HWND hwnd,UINT uMsg,UINT_PTR idEvent,DWORD dwTime)
{
char * buf = (char*)idEv...
Get the cartesian product of a series of lists?
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I really like this solution using list comprehensions. I don't know why isn't upvoted more, it's so simple.
– llekn
Nov 30 '16 at 17:38
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Fixed page header overlaps in-page anchors
If I have a non-scrolling header in an HTML page, fixed to the top, having a defined height:
36 Answers
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Executing multiple commands from a Windows cmd script
I'm trying to write a Windows cmd script to perform several tasks in series.
However, it always stops after the first command in the script.
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Add leading zeroes to number in Java? [duplicate]
Is there a better way of getting this result? This function fails if num has more digits than digits, and I feel like it should be in the library somewhere (like Integer.toString(x,"%3d") or something)
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How to request Google to re-crawl my website? [closed]
...-crawl a website? If possible, this shouldn't last months. My site is showing an old title in Google's search results. How can I show it with the correct title and description?
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