How to estimate time when requirement changes or is added: my principle: never say so easy, at least one day when saying, cos, it is not so often for you to meet with requirement changes, but you are facing with troubles which you are not familiar wi…

The IEEE 610 standard defines a requirement as: (1). a condition or capability needed by a user to solve a problem or achieve an objective; (2). a condition or capability that must be met or possessed by a system or system component to satisfy a cont…

Conclusion And that's all there is to it! Here is how our client looks like Here is how our server looks like That is all there is to the socket programming.…

Discussion and Conclusion After viewing these maps, what should immediately appear is the level of racial segregation into high and low levels of educational attainment, incomes, and how this segregation relates to geographic location for these racia…

Conclusion This concludes our brief look at building a simple, but fully functional, Zend Framework zend-mvc application. In this tutorial we but briefly touched quite a number of different parts of the framework. The most important part of applicati…

在win8.1下为了安装flask模块,开始安装pip,结果发生了上篇博客里面的错误ntpath join(path, *paths) 发生UnicodeDecodeError.解决之后继续发现版本验证总是错误. 这就很奇怪了,因为我只安装了py 2.7.8版本,而flask的文档上2.4以上都是支持的,我到了pip的目录下找到报错的函数C:\Python27\Lib\site-packages\pip-1.5.6-py2.7.egg\pip\req.py def assert_source_m…

$ composer install Loading composer repositories with package information Updating dependencies (including require-dev) Your requirements could not be resolved to an installable set of packages. Problem 1 - phpunit/phpunit 5.7.5 requires php ^5.6 ||…

requirement failed: Unacceptable value for property 'kafka.timeline.metrics.host_in_memory_aggregation', boolean values must be either 'true' or 'false ambari 2.7.0 HDP 3.0 kafka 1.0.1 @li Hao Additionally the "host_in_memory_aggregation" value…

SAP MM 预留单据里的Base date和Requirement date Base date可以在预留创建的初始界面指定, 这个日期可以作为预留各个行项目默认的requirement date. F1帮助文档如下:   Base date for reservation Specifies the date for which the goods movement is planned. Use For each item of the reservation, the system us…

Python Imageing Library 简称 PIL Python常用的图像处理库之一 Pillow是PIL一个fork. C:\Users\dangzhengtao>pip install PIL Collecting PIL Could not find a version that satisfies the requirement PIL (from versions: ) No matching distribution found for PIL 更换为: C:\Users\…

首先创建特定的虚拟环境 conda create -n temp_test python=3.5 conda install anaconda 切换到该环境 conda activate temp_test 切换到requirement.txt的目录 conda install --yes --file requirements.txt…

快速生成requirement.txt的安装文件 (CenterDesigner) xinghe@xinghe:~/PycharmProjects/CenterDesigner$ pip freeze > requirements.txt 安装所需要的文件 pip install -r requirement.txt…

pip更新及Requirement already up-to-date解决方法 文:铁乐与猫 2018-9-11 更新命令 将pip更新到最新版本 python -m pip install --upgrade pip Anaconda更新命令为 conda install mingw libpython Requirement already up-to-date 在pycharm的虚拟环境中,特别容易出现运行更新pip的命令后,提示要求己经更新,但实际上查看版本还是没更新成功的情况: (v…

今天在手机上调试运行Andorid项目时,发现Console打印出"WARNING: Application does not specify an API level requirement!"这样的警告信息,如下图所示: 虽然不影响项目的正常运行,不过还是要找出原因,上网查了一下出现警告的原因,原来是创建项目时AndroidManifest.xml文件中没有指定Min SDK Version 解决办法:修改AndroidManifest.xml文件,在<manifest>…

python3安装PIL提示如下错误,安装指令是pip3 install PIL,这个是因为PIL(Python Imaging Library)是Python中一个强大的图像处理库,但目前其只支持到Python2.7. pillow是PIL的一个分支,虽是分支但是其与PIL同样也具有很强的图像处理库. Could not find a version that satisfies the requirement pil (from versions: ) No matching distrib…

今天ytkah在安装python3组件时提示如下错误,这个是缺少依赖的问题,就试着用pip3 install dateutil,但还是提示同样的错误,怎么处理呢? Could not find a version that satisfies the requirement dateutil (from versions: ) No matching distribution found for dateutil 在https://pypi.org/project/python-dateutil…

不多说,直接上干货! 问题详情 这个问题,很普遍.如我这里想实现,Windows下Anaconda2 / Anaconda3里正确下载安装用来向微信好友发送消息的itchat库. 见,我撰写的 全网最全的Windows下Anaconda2 / Anaconda3里正确下载安装用来向微信好友发送消息的itchat库(图文详解) 出现: PS C:\Anaconda3\Scripts> pip3.exe install itchat Collecting itchat Could not find…

centos7 + python3 安装 scrapy 时候报错,错误信息如下: Could not find a version that satisfies the requirement Twisted>= (from Scrapy) (from versions: ) No matching distribution found (from Scrapy) 解决办法: 官网下载: http://twistedmatrix.com/trac/wiki/Downloads 把下载的源码包上传…

Note: 后面数字n表明刷的第n + 1遍, 如果题目有**, 表明有待总结 Conclusion questions: [LeetCode] questions conclustion_BFS, DFS LeetCode questions conclustion_Path in Tree [LeetCode] questions conlusion_InOrder, PreOrder, PostOrder traversal [LeetCode] questions for Dynamic…

不加sleep(0.5)会出现SSHException: Invalid requirement, parse error at " '' "问题,原因暂时未知. 结论如下 如果不使用多线程,则不会出现问题 使用多线程一定要sleep(0.2),也就是多个线程之间一定要有时间间隙 #!/usr/bin/env python import paramiko import threading import sys import time def ssh(host, user, cmd):…

今天突然接到客户反映线上服务器发送消息异常,登录服务器查看是kafka服务出现了问题,想重启一下服务,结果重启出现一下报错 [2017-06-30 19:29:13,708] FATAL Fatal error during KafkaServerStartable startup. Prepare to shutdown (kafka.server.KafkaServerStartable) java.lang.IllegalArgumentException: requirement fai…

移到你的环境中 pip freeze > requirement.txt…

安装xml库发生报错 pip3 install xml Collecting xml Could not find a version that satisfies the requirement xml (from versions: ) No matching distribution found for xml 尝试安装lxml进行代替 root@5a968be9a4aa:/home/ubuntu/publisher_info# pip3 install lxml Collecting l…

使用pip install -r requirements.txt 命令批量安装模块时,报错: Double requirement given: numpy==1.12.1 from https://files.pythonhosted.org/packages/d8/f9/97aa0903ae39ed4ab6df1c9c22902f3c71f4330a54cf5a81b2bea585544d/numpy-1.12.1-cp27-cp27m-manylinux1_x86_64.whl#sha2…

As a conclusion to this course about RxJS subjects, let's review when and why should you use them. For certain cases, subjects are absolutely necessary. If we map to random numbers and we wish two or more observers to see the same random numbers, the…

Analysis of requirement specification of parking management system PURPOSE OF THE SYSTEM The parking management system refers to the automatic identification device installed at the entrance and exit of the parking area based on the modern electronic…

总结(Conclusion) 总结和致谢(Summary and Thank You) 欢迎来到<机器学习>课的最后一段视频.我们已经一起学习很长一段时间了.在最后这段视频中,我想快速地回顾一下这门课的主要内容,然后简单说几句想说的话. 作为这门课的结束时间,那么我们学到了些什么呢?在这门课中,我们花了大量的时间介绍了诸如 线性回归.逻辑回归.神经网络.支持向量机 等等一些监督学习算法,这类算法具有带标签的数据和样本,比如\({{x}^{\left( i \right)}}\).\({{y}^…

pip install imagededup 时,报错:ipython 6.5.0 has requirement prompt-toolkit<2.0.0,>=1.0.15, but you'll have prompt-toolkit 2.0.15 which is incompatible. 原因: setuptools 版本太高 解决方法: conda install -c conda-forge prompt_toolkit==1.0.15 (上面1.0.15可改范围1.0.15 ~…

1 详细异常: ERROR: flask-appbuilder 1.12.3 has requirement Flask<2,>=0.12, but you'll have flask 0.11.1 which is incompatible. ERROR: flask-appbuilder 1.12.3 has requirement Flask-Login<0.5,>=0.3, but you'll have flask-login 0.2.11 which is incomp…

今天在Windows下通过Pycharm安装Tensorflow时遇到两个问题: 使用pip安装其实原理都相同,只不过Pycharm是图形化的过程! 1.由于使用国外源总是导致Timeout 解决方法是在Pycharm中添加清华源 https://mirrors.aliyun.com/pypi/simple/(或者其他的国内源) 2.替换成清华源后安装报错: ERROR: Could not find a version that satisfies the requirement tensor…