0.91 |— 解决 - 随笔分类 - venicid

摘要：在django中的console中在python解释器中阅读全文

posted @ 2019-12-25 16:17 venicid 阅读(944) 评论(1) 推荐(0) 编辑

python manage.py makemigrat Please select a fix: 1) Provide a one-off default now (will be set on all existing rows with a null value for this column) 2) Quit, and let me add a default in models.py

摘要：更新models字段出现的问题：原因：之前数据表里面已经存在，如果添加，file_type需要默认值解决：方法1：在model字段后面添加，再执行方法2：数据库中找到django_migrations，该表对应，每次makemigrations的每次记录删除，生成的migrati 阅读全文

posted @ 2019-12-06 10:40 venicid 阅读(4614) 评论(0) 推荐(0) 编辑

$ python manage.py makemigrations You are trying to add a non-nullable field 'name' to course without a default; we can't do that (the database needs something to populate existing rows). Please selec

摘要：问题： $ python manage.py makemigrationsYou are trying to add a non-nullable field 'name' to course without a default; we can't do that (the database nee 阅读全文

posted @ 2019-11-24 16:15 venicid 阅读(577) 评论(0) 推荐(0) 编辑

django.core.exceptions.ImproperlyConfigured: The included URLconf 's9luffycity.urls' does not appear to have any patterns in it. If you see valid patterns in the file then the issue is probably caused

摘要：出现问题： $ python manage.py runserver 启动项目报错时候 raise ImproperlyConfigured(msg.format(name=self.urlconf_name))django.core.exceptions.ImproperlyConfigured: 阅读全文

posted @ 2019-11-23 22:00 venicid 阅读(2299) 评论(0) 推荐(0) 编辑

[ERROR ] The Salt Master has cached the public key for this node, this salt minion will wait for 10 seconds before attempting to re-authenticate

摘要：2.salt master已缓存此节点的公钥，此salt minion将等待10秒，然后再尝试重新验证。解决办法：请务必关闭selinux和iptables 阅读全文

posted @ 2019-11-05 16:44 venicid 阅读(1889) 评论(0) 推荐(0) 编辑

pip command not found

摘要：[root@ Python-2.7.9]# pip install jinja2 -bash: pip: command not found 解决 [root@ ~]# yum -y install python-setuptools [root@ ~]# easy_install pip 阅读全文

posted @ 2019-11-05 16:38 venicid 阅读(389) 评论(0) 推荐(0) 编辑

Failed to start MariaDB database server. （已解决）之前配过主从

摘要：[root@linux-node1 /var/log/mariadb]# systemctl status mariadb.service● mariadb.service - MariaDB database server Loaded: loaded (/usr/lib/systemd/syst 阅读全文

posted @ 2019-11-04 14:39 venicid 阅读(14617) 评论(0) 推荐(0) 编辑

TypeError: Object of type 'ListSerializer' is not JSON serializable

摘要：问题：解决：ser.data是json数据，你想要的阅读全文

posted @ 2019-10-31 11:26 venicid 阅读(1263) 评论(1) 推荐(0) 编辑

【环境配置】出现：Microsoft Visual C++ 14.0 is required 的解决方案

摘要：参考blog https://download.csdn.net/download/amoscn/10399046 https://blog.csdn.net/weixin_42057852/article/details/80857948 https://blog.51cto.com/xvjunj 阅读全文

posted @ 2019-07-29 16:06 venicid 阅读(403) 评论(0) 推荐(0) 编辑

更换pip源到国内镜像

摘要：1、pip国内的一些镜像阿里云 https://mirrors.aliyun.com/pypi/simple/ 中国科技大学 https://pypi.mirrors.ustc.edu.cn/simple/ 豆瓣(douban) http://pypi.douban.com/simple/ 清华大阅读全文

posted @ 2018-11-01 10:17 venicid 阅读(166) 评论(0) 推荐(0) 编辑

解决 AttributeError: 'ForeignKey' object has no attribute 're'

摘要：解决办法步骤按照视频中老师的一步步，然后就报错了。。。。。。郁闷 forekey中存在rel，诶什么不能调用？故：如何取出对应的数据大功告成 4 3 阅读全文

posted @ 2018-08-23 14:00 venicid 阅读(2819) 评论(7) 推荐(5) 编辑

day1 UnicodeEncodeError: 'gbk' codec can't encode character '\xa0' in position 2490: illegal multibyte sequence 错误提示

摘要：get方式得到网页的信息 1.错误代码 2.编码格式不对 3.全部改为utf-8 4.执行成功阅读全文

posted @ 2017-09-28 19:37 venicid 阅读(418) 评论(0) 推荐(0) 编辑

在CMD 中，如何切换python2.x 版本和 python3.x版本？

摘要：1.cmd中输入python，启动python2.x版本，如何切换呢？ 2.找到python2.x安装路径，修改python.exe名称为：python27.exe 3. 打开cmd，输入python，打开python3.x版本 4.如何打开python2.x版本呢？cmd命令下输入，刚才pytho 阅读全文

posted @ 2017-07-11 18:51 venicid 阅读(2097) 评论(1) 推荐(0) 编辑

随笔分类 - 0.91 |— 解决

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