pipe

Powershell Get-QADUser results to SQL table

半城伤御伤魂 提交于 2020-01-13 14:52:49
问题 I'm querying Active Directory with a string which loops through each domain controller in our system and returns a set of results. The script works great with export-csv but because we wish to retain all data in the custom info field (it contains carriage-returns) I'd like to export this directly into an SQL table. The error reported by Powershell reads: Exception calling "ExecuteNonQuery" with "0" argument(s): "Insert Error: Column name or >number of supplied values does not match table

Last child forked will not die

拜拜、爱过 提交于 2020-01-13 10:13:31
问题 I have the main process forking two times and thus creating two children. The two children are piped with each other like this: ls | more Now the problem is that the second child never dies. Why is that? When does the last child in a pipe die really? Removing one wait() call shows the expected result of ls | more but gives some further weird behaviours(stuck terminal etc). Here is my code: int main(){ printf("[%d] main\n", getpid()); int pip[2], i; pipe(pip); /* CHILDREN*/ for (i=0; i<2; i++)

Last child forked will not die

好久不见. 提交于 2020-01-13 10:13:09
问题 I have the main process forking two times and thus creating two children. The two children are piped with each other like this: ls | more Now the problem is that the second child never dies. Why is that? When does the last child in a pipe die really? Removing one wait() call shows the expected result of ls | more but gives some further weird behaviours(stuck terminal etc). Here is my code: int main(){ printf("[%d] main\n", getpid()); int pip[2], i; pipe(pip); /* CHILDREN*/ for (i=0; i<2; i++)

How to pipe many bash commands from python?

亡梦爱人 提交于 2020-01-13 06:58:07
问题 Hi I'm trying to call the following command from python: comm -3 <(awk '{print $1}' File1.txt | sort | uniq) <(awk '{print $1}' File2.txt | sort | uniq) | grep -v "#" | sed "s/\t//g" How could I do the calling when the inputs for the comm command are also piped? Is there an easy and straight forward way to do it? I tried the subprocess module: subprocess.call("comm -3 <(awk '{print $1}' File1.txt | sort | uniq) <(awk '{print $1}' File2.txt | sort | uniq) | grep -v '#' | sed 's/\t//g'")

subprocess模块

对着背影说爱祢 提交于 2020-01-13 03:47:54
我们经常需要通过Python去执行一条系统命令或脚本,系统的shell命令是独立于你的python进程之外的,每执行一条命令,就是发起一个新进程,通过python调用系统命令或脚本的模块在python2有os.system, >>> os.system('uname -a') Darwin Alexs-MacBook-Pro.local 15.6.0 Darwin Kernel Version 15.6.0: Sun Jun 4 21:43:07 PDT 2017; root:xnu-3248.70.3~1/RELEASE_X86_64 x86_64 0 View Code 这条命令的实现原理是什么呢?(视频中讲,解释进程间通信的问题...) 除了os.system可以调用系统命令,,commands,popen2等也可以,比较乱,于是官方推出了subprocess,目地是提供统一的模块来实现对系统命令或脚本的调用 The subprocess module allows you to spawn new processes, connect to their input/output/error pipes, and obtain their return codes. This module intends to replace several older modules

subprocess模块

筅森魡賤 提交于 2020-01-13 03:47:38
我们经常需要通过Python去执行一条系统命令或脚本,系统的shell命令是独立于你的python进程之外的,每执行一条命令,就是发起一个新进程,通过python调用系统命令或脚本的模块在python2有os.system, >>> os.system('uname -a') Darwin Alexs-MacBook-Pro.local 15.6.0 Darwin Kernel Version 15.6.0: Sun Jun 4 21:43:07 PDT 2017; root:xnu-3248.70.3~1/RELEASE_X86_64 x86_64 0 这条命令的实现原理是什么呢?(视频中讲,解释进程间通信的问题...) 除了os.system可以调用系统命令,,commands,popen2等也可以,比较乱,于是官方推出了subprocess,目地是提供统一的模块来实现对系统命令或脚本的调用 The subprocess module allows you to spawn new processes, connect to their input/output/error pipes, and obtain their return codes. This module intends to replace several older modules and

Boost - 从Coroutine2 到Fiber

走远了吗. 提交于 2020-01-12 23:50:48
Boost - 从Coroutine2 到Fiber 协程引子 我开始一直搞不懂协程是什么,网上搜一搜,(尤其是Golang的goroutine)感觉从概念上听起来有点像线程池,尤其是类似Java的ExcutorService类似的东西 package helloworld; import java.util.Calendar; import java.util.Date; import java.util.concurrent.Callable; import java.util.concurrent.ExecutorService; import java.util.concurrent.Executors; import java.util.concurrent.Future; public class CallMe { static class Call implements Callable<String>{ @Override public String call() throws Exception { Date d = Calendar.getInstance().getTime(); return d.toString(); } } public static void main(String[] args) throws Exception{

subprocess模块

我的梦境 提交于 2020-01-12 18:25:19
用法 import os import subprocess r = subprocess.Popen('ls',shell=True,stdout=subprocess.PIPE,stderr=subprocess.PIPE) # subprocess.Popen(cmd,shell=True,subprocess.stdout,subprocess.stderr) # cmd : 代表系统命令 # shell = True 代表这条命令是 系统命令,告诉操作系统,将cmd当成系统命令去执行 # stdout 是执行完系统命令之后,用于保存结果的一个管道 # stderr 是执行完系统命令之后,用于保存错误结果的一个管道 stdout = r.stdout.read().decode('gbk') stderr = r.stderr.read().decode('gbk') print('正确的返回结果:',stdout) print('错误的返回结果:',stderr) print('错误的返回结果:',stderr) 以前我一直用 os.system() 处理一些系统管理任务,因为我认为那是运行linux命令最简单的方式. 我们能从Python官方文档里读到应该用 subprocess 模块来运行系统命令. subprocess 模块允许我们创建子进程,连接他们的输入/输出

gulp常用插件之gulp-cache使用

孤街醉人 提交于 2020-01-12 13:13:55
更多gulp常用插件使用请访问: gulp常用插件汇总 gulp-cache 这是一款基于临时文件的gulp缓存代理任务。 更多使用文档请点击访问gulp-cache工具官网 。 安装 一键安装不多解释 npm install --save-dev gulp-cache 使用 简单使用: import gulp from 'gulp'; import favicons from 'gulp-favicons'; import srcset from 'gulp-srcset'; import cache from 'gulp-cache'; gulp.task('favicon', () => gulp.src('src/favicon.svg') .pipe(cache( // 目标插件,其输出将被缓存 favicons(faviconsConfig), //`gulp-cache` 插件的选项. { //用桶存储缓存中的收藏夹图标。 name: 'favicons' } )) .pipe(gulp.dest('./favicons')) ); gulp.task('images', () => gulp.src('src/**/*.{jpg,png,svg}') .pipe(cache( // 目标插件,其输出将被缓存 srcset(srcsetRules), //`gulp

gulp常用插件之gulp-rev-delete-origina使用

て烟熏妆下的殇ゞ 提交于 2020-01-12 11:05:34
更多gulp常用插件使用请访问: gulp常用插件汇总 gulp-rev-delete-origina 这是一款删除由 gulp-rev 或 gulp-rev-all 重写的原始文件 。 更多使用文档请点击访问gulp-rev-delete-origina工具官网 。 安装 一键安装不多解释 npm install --save-dev gulp-rev-delete-origina 使用 var gulp = require('gulp'); var rev = require('gulp-rev'); var revcss = require('gulp-rev-css-url'); var revdel = require('gulp-rev-delete-original'); gulp.task('rev', function () { return gulp.src('./app/**/*') .pipe(rev()) .pipe(revcss()) .pipe(revdel()) .pipe(gulp.dest('./build/')) ; }); 参数: exclude 过滤器, RegExp 或 function 允许您排除某些文件,使其不被删除。 例: RegExp: revdel({ exclude: /build\.css$/ }); Function: