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abc.abstractmethod + property https://stackoverflow.com/questions/14671095/abc-abstractmethod-property import abc class FooBase(metaclass=abc.ABCMeta) 阅读全文
posted @ 2023-12-11 22:25
lightsong
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Dependency injection framework https://python-dependency-injector.ets-labs.org/index.html Dependency Injector is a dependency injection framework for 阅读全文
posted @ 2023-12-10 18:32
lightsong
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Using Redis with FastAPI https://developer.redis.com/develop/python/fastapi/ https://github.com/fanqingsong/fastapi-redis-tutorial FastAPI is a Python 阅读全文
posted @ 2023-12-06 22:46
lightsong
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B - Buy One Carton of Milk https://atcoder.jp/contests/abc331/tasks/abc331_b 思路 dfs递归搜索， 按照依此按照三种策略： 6个一打 - cost S 8个一打 - cost M 12个一打 - cost L 递归到叶子节 阅读全文
posted @ 2023-12-04 22:21
lightsong
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C - Sum of Numbers Greater Than Me https://atcoder.jp/contests/abc331/tasks/abc331_c 思路 由于 值 可以是重复的， 需要记录每出现的值 对应的位置 ， 记录在 map<int, vector<int>> valpo 阅读全文
posted @ 2023-12-04 22:15
lightsong
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E - Set Meal https://atcoder.jp/contests/abc331/tasks/abc331_e 思路 定义 vector<int> v[100005]; 对于 c d 对进行group操作， 得到每个ai dish 对应不可能的 bj dish的cost值的集合 对b 阅读全文
posted @ 2023-12-04 22:07
lightsong
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fastapi-admin https://fastapi-admin-docs.long2ice.io/ 使用 TortoiseORM项目可以使用此库做admin管理。 fastapi-admin is a fast admin dashboard based on FastAPI and Tor 阅读全文
posted @ 2023-12-02 11:21
lightsong
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forward proxy & reverse proxy https://zhuanlan.zhihu.com/p/163948996 https://netnut.io/forward-proxy-server/ Definition of a Forward Proxy Server One 阅读全文
posted @ 2023-11-29 22:30
lightsong
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ELK monitor Jenkins jobs https://github.com/fanqingsong/jenkins-elk-docker 监控每一个jenkins jobs build日志， 全部容器化配置， jenkins容器产生日志文件 filebeat容器监控日志文件 logsta 阅读全文
posted @ 2023-11-22 00:02
lightsong
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D - Good Tuple Problem https://atcoder.jp/contests/abc327/tasks/abc327_d 思路 - dfs染色判断 https://www.zhihu.com/question/292465499 判断二分图 的常见方法是染色法：用两种颜色，对 阅读全文
posted @ 2023-11-10 09:34
lightsong
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D - ABC Puzzle https://atcoder.jp/contests/abc326/tasks/abc326_d Sample Input 1 Copy 5 ABCBC ACAAB Sample Output 1 Copy Yes AC..B .BA.C C.BA. BA.C. .. 阅读全文
posted @ 2023-11-08 21:22
lightsong
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Store config in the environment https://12factor.net/config The twelve-factor app stores config in environment variables (often shortened to env vars 阅读全文
posted @ 2023-11-04 23:38
lightsong
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uvicorn https://www.uvicorn.org/settings/ 此ASGI为开发者模式提供了，代码更改，自动加载功能。 此功能如何实现？ 依赖两个库： watchfiles importlib Development¶ --reload - Enable auto-reload. 阅读全文
posted @ 2023-10-29 22:57
lightsong
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Strawberry https://fastapi.tiangolo.com/zh/how-to/graphql/ GraphQL with Strawberry¶ If you need or want to work with GraphQL, Strawberry is the recomm 阅读全文
posted @ 2023-10-24 23:19
lightsong
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SQLAlchemy: What's the difference between flush() and commit()? https://pyquestions.com/sqlalchemy-what-s-the-difference-between-flush-and-commit A Se 阅读全文
posted @ 2023-09-12 16:57
lightsong
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A - Full Moon https://atcoder.jp/contests/abc318/tasks/abc318_a Problem Statement Takahashi likes full moons. Let today be day 1. The first day on or 阅读全文
posted @ 2023-09-03 17:03
lightsong
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Linux time command https://linuxize.com/post/linux-time-command/ 粗略分析整个程序的耗时情况。 time wget https://cdn.kernel.org/pub/linux/kernel/v4.x/linux-4.19.9.ta 阅读全文
posted @ 2023-08-26 10:33
lightsong
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gdb https://sourceware.org/gdb/ What is GDB? GDB, the GNU Project debugger, allows you to see what is going on `inside' another program while it execu 阅读全文
posted @ 2023-08-25 23:51
lightsong
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Using JobDSL and Jenkinsfiles to fully automate Jenkins job management 非常贴切的一个比喻 JobDSL 做Job管理的框架， 负责Job基本参数配置 Pipeline 做Job逻辑内容的容器，决定Job执行逻辑。 By usin 阅读全文
posted @ 2023-08-09 17:21
lightsong
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概念 https://zhuanlan.zhihu.com/p/92920381 树状数组（Binary Indexed Tree, 又Fenwick Tree）其实并不是一棵树，只是对数组各元素进行逻辑上的划分。根据维基百科，树状数组是一种用于高效计算数列前缀和的数据结构，它可以以O(logn)的 阅读全文
posted @ 2023-07-11 22:33
lightsong
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openldap https://github.com/osixia/docker-openldap/tree/master Run OpenLDAP docker image: docker run --name my-openldap-container --detach osixia/open 阅读全文
posted @ 2023-07-10 00:21
lightsong
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Environment variables precedence https://docs.docker.com/compose/environment-variables/envvars-precedence/ The order of precedence (highest to lowest) 阅读全文
posted @ 2023-07-10 00:07
lightsong
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Is Docker-Compose Suited For Production? https://vsupalov.com/docker-compose-production/ Hidden Assumptions Production means different things to diffe 阅读全文
posted @ 2023-07-09 23:50
lightsong
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Running Docker Containers as Non-Root User https://www.geeksforgeeks.org/running-docker-containers-as-non-root-user/ By default, Docker Containers run 阅读全文
posted @ 2023-07-09 21:24
lightsong
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SIGHUP https://www.gnu.org/software/libc/manual/html_node/Termination-Signals.html hang up容易让人联想到进程挂起， 实际上这个挂起，是终端挂起。 Macro: int SIGHUP The SIGHUP (“h 阅读全文
posted @ 2023-07-04 15:13
lightsong
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prometheus https://prometheus.io/ 为云监控而生 From metrics to insightPower your metrics and alerting with the leadingopen-source monitoring solution. Prome 阅读全文
posted @ 2023-07-03 17:10
lightsong
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LDAP federation 官网 https://www.keycloak.org/docs/latest/server_admin/#_ldap Keycloak includes an LDAP/AD provider. You can federate multiple different 阅读全文
posted @ 2023-07-02 19:58
lightsong
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prometheus https://prometheus.io/ From metrics to insight Power your metrics and alerting with the leadingopen-source monitoring solution. 架构 https:// 阅读全文
posted @ 2023-06-29 14:43
lightsong
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systemd https://systemd.io/ System and Service Manager systemd is a suite of basic building blocks for a Linux system. It provides a system and servic 阅读全文
posted @ 2023-06-21 23:31
lightsong
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OpenStack https://docs.openstack.org/install-guide/get-started-with-openstack.html The OpenStack project is an open source cloud computing platform fo 阅读全文
posted @ 2023-06-20 15:50
lightsong
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RBAC和ABAC https://www.jianshu.com/p/107c50720a6f 面向目标机器的资源。 什么是RBAC？ RBAC.png 比如当用户登录某财务管理系统的时候，允许哪些用户访问编辑哪些菜单，允许访问编辑哪些商品资源等，决定这些权限都取决于用户是哪个角色。 在RBAC， 阅读全文
posted @ 2023-06-18 23:37
lightsong
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An Introduction to Kaniko https://www.baeldung.com/ops/kaniko Kaniko is a tool to build container images from a Dockerfile. Unlike Docker, Kaniko does 阅读全文
posted @ 2023-06-18 23:08
lightsong
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An Introduction to Linux Automation, Tools and Techniques https://linuxconfig.org/an-introduction-to-linux-automation-tools-and-techniques In the fast 阅读全文
posted @ 2023-06-18 20:35
lightsong
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journald / rsyslog / syslog https://linuxconfig.org/advanced-logging-and-auditing-on-linux journald 最流行。 journald is now ubiquitous across Linux syste 阅读全文
posted @ 2023-06-18 00:00
lightsong
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What is SELinux? https://www.redhat.com/en/topics/linux/what-is-selinux#overview Overview Security-Enhanced Linux (SELinux) is a security architecture 阅读全文
posted @ 2023-06-17 23:46
lightsong
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概念 https://www.ruanyifeng.com/blog/2019/10/tmux.html SSH 登录后，使用tmux可以保留回话，即使关闭终端。 同一个回话可以被多个终端共享，分享屏幕， 主机开启一个tmux，远程机器SSH登录主机，使用tmux attach此回话。 命令行的典型 阅读全文
posted @ 2023-06-17 18:16
lightsong
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How to enable auto restart of a docker container on system reboot ? https://amalgjose.com/2021/02/12/how-to-enable-auto-restart-of-a-docker-container- 阅读全文
posted @ 2023-06-17 17:57
lightsong
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Linux command line basics: sudo https://www.redhat.com/sysadmin/sudo What is sudo? Sudo stands for "superuser do" and is the master key to your high-p 阅读全文
posted @ 2023-06-16 23:39
lightsong
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logrotate command in Linux with examples https://linuxconfig.org/logrotate In Linux, many applications and system services will store log files. These 阅读全文
posted @ 2023-06-16 23:20
lightsong
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目的 对于使用docker compose启动的容器， 我们可以使用命令诊断其启动的目录。 方法 song@song-VirtualBox:~$ docker psCONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES6d4e4431d09d go 阅读全文
posted @ 2023-06-16 14:07
lightsong
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