karr's blog

1params = parse.parse_qs(parse.urlparse(link).query)

传送门：https://www.bilibili.com/video/BV1xj411C7ws?p=6&spm_id_from=pageDriver&vd_source=502f63a6c3f07b2d0c4afd71ff535497 原始的django restframework

表示空格的最常用的HTML 实体是 1&#20

去

123456789101112131415161718192021222324252627282930import cv2def test01(): uri = "" cap = cv2.VideoCapture(uri) # Define the codec and create VideoWriter object # fourcc = cv2.VideoWriter_fourcc(*'XVID') fourcc = cv2.VideoWriter_fourcc(*'mp4v') out = cv2.VideoWriter('video_save.mp4', fourcc, 30.0, (1920, 1080)) while cap.isOpened(): ret, frame = cap.read() if ret: # frame = cv2.flip(frame, 0) # 翻转 # ...

12data = {a: 1, b: 2}Object.keys(data) 1[a, b]

@https://blog.csdn.net/m0_47531829/article/details/124753490 123456789101112131415161718192021222324const data = [ { name: "张三", age: 12, _check: true, }, { name: "李四", age: 15, _check: true, }, { name: "王五", age: 18, _check: false, },];data.map(item => { if(item._check) { item._check = false } return item})console.log(data,'data');

@https://noahsnail.com/2017/02/07/2017-02-07-Linux%E7%BB%9F%E8%AE%A1%E6%96%87%E4%BB%B6%E5%A4%B9%E4%B8%8B%E7%9A%84%E6%96%87%E4%BB%B6%E6%95%B0%E7%9B%AE/ 统计当前目录下文件的个数（不包括目录）1ls -l | grep "^-" | wc -l 统计当前目录下文件的个数（包括子目录）1ls -lR| grep "^-" | wc -l 查看某目录下文件夹(目录)的个数（包括子目录）1ls -lR | grep "^d" | wc -l

使用dict()函数12345678910111213141516171819list_ = [ { "id": "11", "name": "12", "other": "13" }, { "id": "21", "name": "22", "other": "23" }, { "id": "31", "name": "32", "other": "33" },]test = dict([(i["id& ...