网络模型
了解了 Mc 的系统架构之后,我们接下来可以逐一深入学习 Mc 的各个模块了。首先,我们来学习 Mc 的网络模型。
主线程
Mc 基于 Libevent 实现多线程网络 IO 模型。Mc 的 IO 处理线程分主线程和工作线程,每个线程各有一个 event_bas…
select FORMAT(3.169, N2) as 四舍五入1, CAST(3.169 AS decimal(9,2)) as 四舍五入2, ROUND(3.169, 2) as 四舍五入3, CAST(FLOOR(3.169 * 100) / 100 AS decimal(9,2)) as 向下取整1, FLOOR(3.169 * 100) / 100 as 向下取整2, ceiling(3.169 * 100) / 100 as 向上取整—…
代码:
from sklearn.datasets import load_iris, fetch_20newsgroups
from sklearn.feature_extraction.text import TfidfVectorizer
from sklearn.model_selection import train_test_split, GridSearchCV
from sklearn.naive_bayes import MultinomialNB
from s…