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LINGO使用指南 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...将被包含在主窗口之下。在主窗口内的标题为LINGO Model – LINGO1的窗口是LINGO的默认模型窗口，建立的模型都都要在该窗口内编码实现。下面举两个例子。
例1.1 如何在LINGO中求解如下的LP问题：
在模型窗口中输入如下代码：...
Logic to test that 3 of 4 are True
I want to return True if and only if 3 out of 4 boolean values are true.
27 Answers
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How do you make a HTTP request with C++?
Is there any way to easily make a HTTP request with C++? Specifically, I want to download the contents of a page (an API) and check the contents to see if it contains a 1 or a 0. Is it also possible to download the contents into a string?
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Cron job every three days
Is it possible to run a cronjob every three days? Or maybe 10 times/month.
11 Answers
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httpd: Could not reliably determine the server's fully qualified domain name, using 127.0.0.1 for Se
I tried to restart my Apache server on CentOS 5.0 and got this message:
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How to avoid the “divide by zero” error in SQL?
I have this error message:
19 Answers
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How to create a UIView bounce animation?
I have the following CATransition for a UIView called finalScoreView , which makes it enter the screen from the top:
4 Ans...
Find the max of two or more columns with pandas
I have a dataframe with columns A , B . I need to create a column C such that for every record / row:
2 Answers
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New Array from Index Range Swift
How can I do something like this? Take the first n elements from an array:
5 Answers
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Random float number generation
How do I generate random floats in C++?
14 Answers
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