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ValueError: math domain error
I was just testing an example from Numerical Methods in Engineering with Python .
4 Answers
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Real world example about how to use property feature in python?
...ed in how to use @property in Python. I've read the python docs and the example there, in my opinion, is just a toy code:
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How to create file execute mode permissions in Git on Windows?
I use Git in Windows, and want to push the executable shell script into git repo by one commit.
5 Answers
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Generating matplotlib graphs without a running X server [duplicate]
...b seems to require the $DISPLAY environment variable which means a running X server. Some web hosting services do not allow a running X server session. Is there a way to generate graphs using matplotlib without a running X server?
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deque iterator not dereferencable 问题 - C/C++ - 清泛网 - 专注C/C++及内核技术
...>
#include <queue>
using namespace std;
int main()
{
queue<int> x;
for(int i = 0;i < 10;i++)
{
x.push(i+1);
}
while(!x.empty()) {
cout << x.front() << " ";
x.pop();
x.push(x.front());
x.pop();
}
cout << e...
Python Charts库(Highcharts API的封装) - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...hon生成Highcharts脚本Highcharts中文网:http: v1 hcharts cn demo index php?p=1 charts库实际是对调用Highcharts API 进行封装,通过python生成Highcharts脚本
Highcharts中文网:http://v1.hcharts.cn/demo/index.php?p=10
Highcharts官网:http://api.highcharts.com/highcharts/titl...
jumpserver-华为云免费堡垒机解决方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
jumpserver-华为云免费堡垒机解决方案一、环境CentOS 6.x x86_64 minivi etc hostsvi etc sysconfig networkservice iptables stopchkconfig iptables off关闭SELinu...一、环境
CentOS 6.x x86_64 mini
vi /etc/hosts
vi /etc/sysconfig/network
service iptables stop
chkco...
Mac OS X 入门操作常见问题集锦（持续更新） - 更多技术 - 清泛网 - 专注C/...
Mac OS X 入门操作常见问题集锦（持续更新）如何截图：shift + command + 3 截整屏shift + command + 4 截窗口（默认png，并保存到桌面）shift + command + Ctrl + 4 如何截图：
shift + command + 3 截整屏
shift + command + 4 截窗口（默认png，并保存...
Visual Assist X 关闭spell check的错误下划线 - 更多技术 - 清泛网 - 专注C/C++及内核技术
Visual Assist X 关闭spell check的错误下划线原因：在vs中使用Visual Assist X，在注释中有中文，经常会显示下划线，看起来很不爽。解决：如下图步骤：补充：参考：http: blog.csdn....原因：
在vs中使用 Visual Assist X，在注释中有中文，经...
How to print like printf in Python3?
...hand side.
So, your line ought to look like this:
print("a=%d,b=%d" % (f(x,n),g(x,n)))
Also, the recommendation for Python3 and newer is to use {}-style formatting instead of %-style formatting:
print('a={:d}, b={:d}'.format(f(x,n),g(x,n)))
Python 3.6 introduces yet another string-formatting ...