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ZeroMQ实例-使用ZMQ(ZeroMQ)进行局域网内网络通信 - C/C++ - 清泛网 - 专注C/C++及内核技术

...rg/ 百度网盘的下载地址 : http://pan.baidu.com/s/1mg61em0 ZMQ API 的 百度网盘 下载地址 : http://pan.baidu.com/s/1jGDqXfS 注:在本文写作时,ZMQ版本已经升级到4.1.0,不过影响没多大 2)解压源文件 tar zxf zeromq-4.0.3.tar.gz 3)...
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range() for floats

..., this could produce unpredictable results like: >>> list(frange(0, 100, 0.1))[-1] 99.9999999999986 To get the expected result, you can use one of the other answers in this question, or as @Tadhg mentioned, you can use decimal.Decimal as the jump argument. Make sure to initialize it with...
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What is the most efficient string concatenation method in python?

... | edited May 11 '16 at 7:04 Quentin Pradet 4,28622 gold badges2626 silver badges4040 bronze badges answ...
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Check substring exists in a string in C

... 280 if(strstr(sent, word) != NULL) { /* ... */ } Note that strstr returns a pointer to the sta...
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HTML5: Slider with two inputs possible?

... Jarno 2,60122 gold badges2323 silver badges3939 bronze badges answered Jan 21 '11 at 0:28 Martin BuberlMartin ...
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Solving a “communications link failure” with JDBC and MySQL [duplicate]

...ications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. I spent several days to solve this problem. I have tested many approaches that have been mentioned in different web sites, but non of them worked....
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How to connect to Mysql Server inside VirtualBox Vagrant?

... can I connect to that server outside the vm? I already forward the port 3306 of the Vagrantfile , but when I try to connect to the mysql server, it`s resposts with the error: 'reading initial communication packet' ...
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How to split a string and assign it to variables

...ort ( "fmt" "strings" ) func main() { s := strings.Split("127.0.0.1:5432", ":") ip, port := s[0], s[1] fmt.Println(ip, port) } Output: 127.0.0.1 5432 One step, for example, package main import ( "fmt" "net" ) func main() { host, port, err := net.SplitHostPort...
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What are the mathematical/computational principles behind this game?

... 150 Finite Projective Geometries The axioms of projective (plane) geometry are slightly different ...
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How do you round a number to two decimal places in C#?

... 2); //returns 1.99 decimal b = 1.995555M; Math.Round(b, 2); //returns 2.00 You might also want to look at bankers rounding / round-to-even with the following overload: Math.Round(a, 2, MidpointRounding.ToEven); There's more information on it here. ...