大家好，欢迎来到 Crossin 的编程教室。Python 的逻辑运算（and、or、not）乍一看并没有特别复杂，但实际上藏了不少“陷阱”。很多初学者写着写着就踩坑了，然后一脸懵：代码明明看起来没问题啊？今天我们就来盘点 6 个容易让新手掉坑里的逻辑运算实例，看完有没有你踩过的，1. 运算结果不是 bool 值print("hello" and ...

上一次讨论类似问题，还是在月初。刚好有老外网友做了一个实验，对 62 门编程语言速度做了一个比较，通过莱布尼茨公式计算 π 值，然后给出运行速度的排名，最慢是 Python （CPython）。实验过程和结果都公开透明，参见网址：https://github.com/niklas-heer/speed-comparison。 有时候，我挺理解那些对 Java 有偏见的程序员的。比如，Python ...

Cura offers an SDK for plugins to interact with the software. Previously, plugins called a variety of Python methods exposed in Cura. From now on, we want to move functionality to an SDK layer that is ...

Small Prophets and Monty Python actor Sir Michael Palin says returning to work and spending time with loved ones has helped ...

Iran Hits Israel and Gulf Countries as 3 U.S. Troops Are Killed Iran strikes U.S. military facilities across Gulf region Iran’s strikes on Gulf states reach the hundreds. Stock market investors brace ...

Quantum computing technology is complex, getting off the ground and maturing. There is promise of things to come. potentially ...

2025年下半年，全球网络安全态势发生了微妙而深刻的变化。卡巴斯基实验室发布的遥测数据揭示了一个令人警醒的趋势：QR码钓鱼攻击（Quishing）的数量在该时期内激增了五倍。这一数据并非简单的线性增长，而是反映了攻击生态系统的质变。攻击者不再满足于小 ...

This video breaks down how we staged and filmed an adventure crossover inspired by iconic treasure hunting characters. From ...