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Centos7下成功安裝python3和scrapy爬虫

/configure --prefix=/usr/local/python3 [root@hadron ~]# make && make install （4）创建软链接 [root@hadron ~...]# ln -s /usr/local/python3/bin/python3 /usr/bin/python3 [root@hadron ~]# ln -s /usr/local/python3/.../local/python3/lib/python3.5/site-packages (from scrapy) Collecting PyDispatcher>=2.0.5 (from scrapy)...100% |████████████████████████████████| 256kB 339kB/s Installing collected packages: PyDispatcher, zope.interface.../local/python3/bin/scrapy /usr/bin/scrapy （4）在shell中验证scrapy [root@hadron ~]# scrapy Scrapy 1.5.0 -

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Centos7 安装python3、pip3、ipython3

/ lib/ lib64/ libexec/ python3/ sbin/ share/ src/ [root@server81 Python-3.7.1]# ls /usr.../local/python3/ bin include lib share [root@server81 Python-3.7.1]# ls /usr/local/python3/bin/ 2to3.../usr/bin/python3 ln -s /usr/local/python3/bin/pip3 /usr/bin/pip3 执行如下： [root@server81 Python-3.7.1]...# ls -ll /usr/local/python3/bin/python3 lrwxrwxrwx 1 root root 9 Dec 18 11:25 /usr/local/python3/bin.../bin/python3 lrwxrwxrwx 1 root root 30 Dec 18 13:48 /usr/bin/python3 -> /usr/local/python3/bin/python3

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ubuntu 11.04安装gcc 4.6.1

/configure --prefix=/usr/local/mpfr-2.4.2 --with-gmp=/usr/local/gmp-4.3.2 $make $sudo make install Step.../configure --prefix=/usr/local/mpc-0.8.1 --with-gmp=/usr/local/gmp-4.3.2 --with-mpfr=/usr/local/mpfr-.../mpc-0.8.1/lib:/usr/local/gmp-4.3.2/lib:/usr/local/mpfr-2.4.2/lib #cd to src_dir $....--enable-languages=c,c++ --with-gmp=/usr/local/gmp-4.3.2 --with-mpfr=/usr/local/mpfr-2.4.2 --with-mpc...，可以使用到最新的共享库 $sudo vim /etc/ld.so.conf.d/x86_64-linux-gnu.conf 添加下面内容 /usr/local/gcc-4.6.1/lib64/ 保存后执行

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Linux下GCC编译器的安装「建议收藏」

#解压 #tar -xvf gmp-4.3.2.tar.bz2 #进入解压目录 #cd /opt/gmp-4.3.2 #创建安装目录 #mkdir /usr/local/gmp-4.3.2 #配置安装.../configure --prefix=/usr/local/mpc-0.8.1 --with-gmp=/usr/local/gmp-4.3.2 --with-mpfr=/usr/local/mpfr-...-enable-languages=c,c++ --with-gmp=/usr/local/gmp-4.3.2 --with-mpfr=/usr/local/mpfr-2.4.2 --with-mpc...=:/usr/local/mpc-0.8.1/lib:/usr/local/gmp-4.3.2/lib:/usr/local/mpfr-2.4.2/lib:/usr/local/gcc-5.3.0/lib...:/usr/local/gcc-5.3.0/lib64 #export LD_LIBRARY_PATH 安装完毕！

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PyVista：一款Python的三维可视化软件

因为pyvista及其依赖都是一些python库，这就使得我们可以用pip直接简单的安装，这里放几个可能用到的依赖的安装流程： (base) dechin@ubuntu2004:~/projects$ python3.../python3.8/site-packages (from zope.interface>=4.4.2->Twisted>=17.5.0->vtk==9.0.20210612.dev0) (52.0.0...9.0.20210612.dev0 安装pyvista的时候最好加上一个国内的镜像源，否则有可能出现网络问题，其他的包不需要加镜像源： (base) dechin@ubuntu2004:~/projects$ python3...pyvista-0.31.3 scooby-0.5.7 transforms3d-0.3.1 另外还有这个三维可交互面板绘制的插件： (base) dechin@ubuntu2004:~/projects$ python3...ipygany Successfully installed ipygany-0.5.0 以及一个基于pyqt的一个弹出式绘图插件： (base) dechin@ubuntu2004:~/projects$ python3

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腾讯云主机Python3环境安装Scrapy爬虫框架过程及常见错误

下面说明Python3环境下的安装过程。 Scrapy依赖的库比较多，至少需要依赖库有Twisted 14.0，lxml 3.4，pyOpenSSL 0.14。...安装zope.interface 到官方网站https://pypi.python.org/pypi/zope.interface#downloads下载对应版本的wheel文件，然后pip安装。...常见错误 pkg_resources.VersionConflict: (six 1.5.2 (/usr/lib/python3/dist-packages), Requirement.parse('six...>=1.6.0')) six包版本过低，six包是一个提供兼容Python2和Python3的库，升级six包即可。

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ubantu 安装mp3插件

/gmp-4.3.2/configure --prefix=/usr/local/gmp-4.3.2 这里--prefix选项代表要将该库安装在哪里，我是装在/usr/local/gmp-4.3.2目录下.../mpfr-2.4.2/configure --prefix=/usr/local/mpfr-2.4.2 --with-gmp=/usr/local/gmp-4.3.2 .....-0.8.1/lib:/usr/local/gmp-5.0.1/lib:/usr/local/mpfr-2.4.2/lib 然后重新make编译，在经过漫长的1小时等待后，终于编译完成。...在这个文件中添加以下语句： LD_LIBRARY_PATH=:/usr/local/mpc-0.8.1/lib:/usr/local/gmp-4.3.2/lib:/usr/local/mpfr-2.4.2.../lib:/usr/local/gcc-4.5.0/lib export LD_LIBRARY_PATH 保存重启系统后，就可以使用新装的gcc了。

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python3 virtualenv

现在看看默认Centos7安装第三方库之后的存放路径第一个就是/usr/local/python3/bin目录下。...[root@server01 python3]# ls bin include lib share [root@server01 python3]# pwd /usr/local/python3...ln -s /usr/local/python3/bin/virtualenv /usr/bin/virtualenv 执行如下： [root@server01 ~]# ls /usr/local/python3.../bin/virtualenv /usr/local/python3/bin/virtualenv [root@server01 ~]# ln -s /usr/local/python3/bin/virtualenv...(venv) [root@server01 myproject]# ipython3 /usr/local/python3/lib/python3.7/site-packages/IPython/core

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【嵌入式开发】嵌入式开发工具简介 (裸板调试示例 | 交叉工具链 | Makefile | 链接器脚本 | eclipse JLink 调试环境)

/lib/gcc/arm-none-linux-gnueabi/4.3.2/armv4t/:/usr/local/arm/4.3.2/bin/...../lib/gcc/armv4t/:/usr/local/arm/4.3.2/bin/../lib/gcc/arm-none-linux-gnueabi/4.3.2/../../../...../arm-none-linux-gnueabi/libc/armv4t/usr/lib/arm-none-linux-gnueabi/4.3.2/armv4t/:/usr/local/arm/4.3.2.../lib/gcc/arm-none-linux-gnueabi/4.3.2/:/usr/local/arm/4.3.2/bin/...../lib/gcc/:/usr/local/arm/4.3.2/bin/../lib/gcc/arm-none-linux-gnueabi/4.3.2/../../../..

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Python爬虫利器二之Beautif

所以这里我们用的版本是 Beautiful Soup 4.3.2 (简称BS4)，另外据说 BS4 对 Python3 的支持不够好，不过我用的是 Python2.7.7，如果有小伙伴用的是 Python3...在这里我安装的是 Beautiful Soup 4.3.2 下载完成之后解压运行下面的命令即可完成安装 sudo python setup.py install 然后需要安装 lxml easy_install...lxml pip install lxml 另一个可供选择的解析器是纯Python实现的 html5lib , html5lib的解析方式与浏览器相同,可以选择下列方法来安装html5lib: easy_install...html5lib pip install html5lib Beautiful Soup支持Python标准库中的HTML解析器,还支持一些第三方的解析器，如果我们不安装它，则 Python 会使用.../usr/bin/env python # encoding=utf-8 import requests,re import codecs from bs4 import BeautifulSoup from

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查看gcc 版本「建议收藏」

/configure –prefix=/usr –mandir=/usr/share/man –infodir=/usr/share/info –with-bugurl=http://bugzilla.redhat.com.../lib/jvm/java-1.5.0-gcj-1.5.0.0/jre –enable-libgcj-multifile –enable-java-maintainer-mode –with-ecj-jar...线程模型：posix gcc 版本 4.3.2 20081105 (Red Hat 4.3.2-7) (GCC) 2,#rpm -qa|grep gcc [root@localhost tan]# rpm...-qa|grep gcc gcc-gfortran-4.3.2-7.i386 gcc-4.3.2-7.i386 gcc-c++-4.3.2-7.i386 libgcc-4.3.2-7.i386 gcc-java...-4.3.2-7.i386 3,[root@localhost tan]# gcc -dumpversion 4.3.2 [root@localhost tan]# 发布者：全栈程序员栈长，转载请注明出处

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CentOS 6下gcc升级的操作记录(由默认的4.4.7升级到6.4.0版本）

/lib64/libstdc++.so.6 | grep GLIBC GLIBCXX_3.4 GLIBCXX_3.4.1 GLIBCXX_3.4.2 GLIBCXX_3.4.3 GLIBCXX_3.4.4...-2.4.2.tar.bz2 ./ [root@uatjenkins01 gcc-6.4.0]# cp /usr/local/src/gmp-4.3.2.tar.bz2 ./ [root@uatjenkins01...* drwxrwxrwx 15 1001 wheel 4096 Jan 8 2010 gmp-4.3.2 -rw-r--r-- 1 root root 1897483 Aug 10 16:...gcc-6.4.0]# cd /usr/lib64 [root@uatjenkins01 lib64]# cp /usr/src/gcc-6.4.0/stage1-x86_64-pc-linux-gnu...查看最新动态库： [root@uatjenkins01 ~]# strings /usr/lib64/libstdc++.so.6 | grep GLIBC GLIBCXX_3.4 GLIBCXX_3.4.1

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Ubuntu 14.04 LTS下使用arm-linux-gcc交叉编译OpenCV 2.4.9

其中，/usr/local/arm/4.3.2/bin是arm编译器的路径； /usr/local/arm/opencv-depend是OpenCV依赖库安装路径； /usr/local/arm...8、OpenCV依赖库复制到ARM编译器路径下此时，需要将路径/usr/local/arm/opencv-depend下的lib和include中所有文件分别拷贝到路径/usr/local/arm/4.3.2...命令如下： cp -r /usr/local/arm/opencv-depend/include/ /usr/local/arm/4.3.2/arm-none-linux-gnueabi/ cp -r.../usr/local/arm/opencv-depend/lib/ /usr/local/arm/4.3.2/arm-none-linux-gnueabi/ 如果没有进行该步骤，在后面对OpenCV进行...而把编译好的程序放到arm板时，在运行时，还要把/usr/local/arm/opencv-install/lib目录下的所有.so文件都拷贝到arm的/usr/lib或者/lib目录下。

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Ubuntu下gcc安装及使用

/gmp-4.3.2 [root@rekfan.com opt]# cd /usr/local/gmp-4.3.2 [root@rekfan.com gmp-4.3.2]# /opt/gmp-4.3.2.../configure –prefix=/usr/local/gmp-4.3.2 [root@rekfan.com gmp-4.3.2]# make （编译） [root@rekfan.com gmp...-0.8.1/configure –prefix=/usr/local/mpc-0.8.1 –with-gmp=/usr/local/gmp-4.3.2 –with-mpfr=/usr/local/mpfr.../local/mpc-0.8.1/lib:/usr/local/gmp-4.3.2/lib:/usr/local/mpfr-2.4.2/lib 再次执行步骤6→ 大概三小时后··· 终于编译成功了,效果图入下.../local/mpc-0.8.1/lib:/usr/local/gmp-4.3.2/lib:/usr/local/mpfr-2.4.2/lib:/usr/local/gcc-4.6.1/lib export

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centos 6 编译安装内核

/configure --prefix=/usr/local/gmp-4.3.2 config.status: linking ...../configure --prefix=/usr/local/mpfr-2.4.2 --with-gmp=/usr/local/gmp-4.3.2 ，，， checking if gmp_printf.../configure --prefix=/usr/local/mpc-1.0.1 --with-gmp=/usr/local/gmp-4.3.2 --with-mpfr=/usr/local/mpfr-.../etc/bashrc fi export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/gmp-4.3.2/lib:/usr/local/mpc-1.0.1/...lib:/usr/local/mpfr-2.4.2/lib [root@centos6 ~]# source .bashrc [root@centos6 build]# cd ../..

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定制交叉编译环境-gcc

/configure --prefix=/usr/local/ --enable-shared [root@T-bagwell gmp-4.3.2]# make;make install [root...@T-bagwell gmp-4.3.2]# cd ...../configure --prefix=/usr/local/ --enable-shared --with-gmp=/usr/local/lib [root@T-bagwell mpfr-2.4.2.../configure --prefix=/usr/local --with-gmp=/usr/local/lib --with-mpfr=/usr/local/lib [root@T-bagwell...然后编译gcc [root@T-bagwell gcc-build]# AR=ar LDFLAGS="-Wl,-rpath,/usr/local/lib" ..

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CentOS6 升级gcc：源码编译安装gcc4.6和gcc4.8

.tar.bz2,mpc-0.8.1.tar.gz,mpfr-2.4.2.tar.bz2} 3、编译gmp [root@master ~]# tar -jxf gmp-4.3.2.tar.bz2 ...[root@master ~]# cd gmp-4.3.2 [root@master gmp-4.3.2]# ..../configure --prefix=/usr/local/gmp [root@master gmp-4.3.2]# make &&make install 4、编译mpfr [root@master...gcc-4.6.1]# export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/mpc/lib:/usr/local/gmp/lib:/usr/local.../mpfr/lib/ [root@master gcc-4.6.1]# make && make install make[4]: Leaving directory `/root/gcc-4.6.1

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docker容器化python服务部署（supervisor-gunicorn-flask）

从宿主机进入容器：ssh 172.17.0.5 ，输入密码：12345678 > 安装 python3：一般只需安装 pip3即可，但是为了服务调试，这里安装了python3，python3中包含了pip...安装命令：yum install -y python3 安装完成后，查看版本：python3 -V ?...requests==2.23.0 rpm==4.14.2 six==1.15.0 supervisor==4.0.0 urllib3==1.25.9 Werkzeug==1.0.1 zope.event==4.4 zope.interface...>> 启动registry容器：docker run -d -p 5000:5000 --restart=always --name registry -v /opt/registry/:/var/lib...docker rm -f containerID docker run -d -p 5000:5000 -v /opt/registry-auth/:/auth/ -v /opt/registry:/var/lib

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django 报错 Error loading either pysqlite2 or sqlite3 modules

.wrapper at 0x7fdc67089f28> Traceback (most recent call last): File "/usr/local/python3/lib...from sqlite3 import dbapi2 as Database File "/usr/local/python3/lib/python3.5/sqlite3/__init__....args, **kwargs) File "/usr/local/python3/lib/python3.5/site-packages/django/core/management/commands...(*_exception) File "/usr/local/python3/lib/python3.5/site-packages/django/utils/six.py", line 685,...in reraise raise value.with_traceback(tb) File "/usr/local/python3/lib/python3.5/site-packages/

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fake_useragent.errors.FakeUserAgentError: Maximum amount of retries reached

('Transfer-encoding')) File "/usr/local/python3/lib/python3.6/http/client.py", line 1239, in request..._send_request(method, url, body, headers, encode_chunked) File "/usr/local/python3/lib/python3.6/http..._send_output(message_body, encode_chunked=encode_chunked) File "/usr/local/python3/lib/python3.6/http...", line 1392, in connect super().connect() File "/usr/local/python3/lib/python3.6/http/client.py.../python3/lib/python3.6/socket.py", line 724, in create_connection raise err File "/usr/local/python3

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点击加载更多

Centos7下成功安裝python3和scrapy爬虫

Centos7 安装python3、pip3、ipython3

ubuntu 11.04安装gcc 4.6.1

Linux下GCC编译器的安装「建议收藏」

PyVista：一款Python的三维可视化软件

腾讯云主机Python3环境安装Scrapy爬虫框架过程及常见错误

ubantu 安装mp3插件

python3 virtualenv

【嵌入式开发】嵌入式开发工具简介 (裸板调试示例 | 交叉工具链 | Makefile | 链接器脚本 | eclipse JLink 调试环境)

Python爬虫利器二之Beautif

查看gcc 版本「建议收藏」

CentOS 6下gcc升级的操作记录(由默认的4.4.7升级到6.4.0版本）

Ubuntu 14.04 LTS下使用arm-linux-gcc交叉编译OpenCV 2.4.9

Ubuntu下gcc安装及使用

centos 6 编译安装内核

定制交叉编译环境-gcc

CentOS6 升级gcc：源码编译安装gcc4.6和gcc4.8

docker容器化python服务部署（supervisor-gunicorn-flask）

django 报错 Error loading either pysqlite2 or sqlite3 modules

fake_useragent.errors.FakeUserAgentError: Maximum amount of retries reached

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