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scrapyd 转入后台daemon守护模式运行的方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...新建文件/etc/init.d/scrapyd，名称为scrapyd
#!/bin/bash
PORT=6800
HOME="/var/scrapyd"
BIN="/usr/local/bin/scrapyd"
pid=`netstat -lnopt | grep :$PORT | awk '/python/{gsub(/\/python/,"",$7);print $7;}'`
start() {
if [ -n "$pid" ]; then
echo "server already start,pid:$pid"
...
NSIS脚本编程(持续更新) - 脚本技术 - 清泛IT论坛，有思想、有深度
本帖最后由 zqp2013 于 2014-12-31 14:18 编辑
NSIS MessageBox 中无法换行？
NSIS中 $ 不但是变量常量的开头，还是一个转义字符，因此换行符应该$\n。
messagebox::show MB_SETFOREGROUND|MB_ICONHAND|MB_DEFBUTTON3|MB_TOPMOST "" "" \ &nbs...
std::string截取字符串，截取ip:port - c++1y / stl - 清泛IT社区，为创新赋能！
std::string ip("127.0.0.1:8888");
int index = ip.find_last_of(':');
// 获取ip
ip.substr(0, index).c_str();
// 获取port
ip.substr(index + 1).c_str();
APP INVENTOR硬件交互学习教程07——多个参数上报 - 创客硬件开发 - 清泛IT...
... = 7;
const int bluetoothPin = 13;
// 变量定义
int inByte=0; //接收参数
#define TRUE 1
#define FALSE 0
void setup()
{
// 配置输出引脚
pinMode(ledPin1, OUTPUT);
pinMode(ledPin2, OUTPUT);
pinMode(ledPin3, OUTPUT);...
App Inventor 2 做个计算器怎手机运行后报错 - App应用开发 - 清泛IT社区，为创新赋能！
...机运行后报错 什么原因呢？根据报错字面，2.63...除以 0 异常，一定要对除数进行非零的判断，使用数学代码块=0 判断。当输入框没有输入内容时，数学运算会转成 0 处理，因此就会出现除零异常。要先用文本块是否为空进行判...
How can I disable a button in a jQuery dialog from a function?
...
260
You would want to set the disabled property
$('#continueButton').attr("disabled", true);
Upd...
Difference between signed / unsigned char [duplicate]
...
answered Dec 2 '10 at 16:25
AnTAnT
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How do I start my app on startup?
...h.
– Sean Schulte
Jun 17 '11 at 22:10
19
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107
The issue with your shallow copy is that all the objects aren't cloned. While the references t...
Maximum and Minimum values for ints
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910
Python 3
In Python 3, this question doesn't apply. The plain int type is unbounded.
However, y...