python3学习手册
Lock()方法创建一个互斥锁, 互斥锁在同一时刻只允许一个线程访问共享数据 import threading import random num = 0 # 各线程之间可访问同一内存块,即可访问同一个全局变量 def task_thread(lock): global num # 获取锁,用于线程同步 lock.acquire() print("线程 {} 已获取 锁".format(threading Lock() t1 = threading.Thread(target=task_thread, args= (lock,)) t2 = threading.Thread(target=task_thread, args= (lock,)) t3 = threading.Thread(target=task_thread, args= (lock,)) t1.start() title("子窗口") pop_window.geometry("300x200+100+100") pop_window.configure(bg="pink") pop_window.protocol("WM_DELETE_WINDOW", on_closing) # 子窗口点击右上角的关闭按钮后,触发此函数 exit_button = tkinter.Button(pop_window0 码力 | 213 页 | 3.53 MB | 1 年前3k8s操作手册 2.3
1000m,这个m是mili(千分之一)的意思 ports: #端口暴露,仅作提示信息 - name: h�p containerPort: 80 protocol: TCP env: #给容器传递的环境变量 - name: TZ value: Asia/Shanghai #securityContext: ports: #端口暴露,仅作提示信息,无实际影响 - name: h�p containerPort: 80 protocol: TCP env: #给容器传递的环境变量 - name: TZ value: Asia/Shanghai podlable: ds-pod #与目标pod的labels相同,如果目标pod有多个,则自动实 现负载均衡 type: ClusterIP ports: - protocol: TCP #默认为TCP, port: 1380 # service ip 的port targetPort: 800 码力 | 126 页 | 4.33 MB | 1 年前3Pomodoro Technique
• Turn off IMs or DND • No non-task related browsing • No bathroom breaks* • No conversations • No meetings • No eating • No preening How does it work? 1. Choose a task you’d like to get done 2. Set Set the Pomodoro for 25 minutes 3. Work on the task until the Pomodoro rings 4. When the Pomodoro rings, put a checkmark on a paper 5. Take a short break 6. Every 4 Pomodoros, take a longer break What activity requires you by monitoring how many Pomodoros you need in order to accomplish a specific task 2. Learn to protect your Pomodoro from the internal and external interruption 3. Make accurate estimations0 码力 | 3 页 | 289.16 KB | 5 月前3The Phoenix Project
percent divided by fifty percent, so one unit of time. Let’s call it one hour. So, on average, our task would wait in the queue for one hour before it gets worked. On the other hand, if a resource is or nine hours. In other words, our task would wait in queue nine times longer than if the resource were fifty percent idle.” I conclude, “So, for the Phoenix task, assuming we have seven handoffs, and0 码力 | 3 页 | 154.45 KB | 5 月前3The DevOps Handbook
Development unless otherwise noted: a. Partially done work: b. Extra processes: c. Extra features: d. Task switching: e. Waiting: f. Motion: g. Defects: h. Nonstandard or manual work:i. Heroics: d0 码力 | 8 页 | 22.57 KB | 5 月前3A Seat at the Table: IT Leadership in the Age of Agility - Part 2
communicating with that market and encouraging it to purchase, and manage creative talent to present the message compellingly, the CIO must similarly steward the EA. Imagine the EA asset as a ball that we mold skills and contributions. Exhortation and Table Manners: There’s nothing left to do but end on a message of hope. And that’s what this book is meant to be, really. About the Author Mark Schwartz is an0 码力 | 7 页 | 387.61 KB | 5 月前3A Seat at the Table - IT Leadership in the Age of Agility
skills and contributions. Exhortation and Table Manners: There’s nothing left to do but end on a message of hope. And that’s what this book is meant to be, really. About the Author Mark Schwartz is an0 码力 | 4 页 | 379.23 KB | 5 月前3A Seat at the Table - IT Leadership in the Age of Agility
hold the promise of changing this paradigm, but IT organizations have not thoroughly absorbed this message. The critical change is that of moving from a plan-driven approach to an Agile approach, based on0 码力 | 7 页 | 387.48 KB | 5 月前3
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