```python import turtle t = turtle.Turtle() t.speed(0) t.hideturtle() t.getscreen().bgcolor("black")heart_colors = ["red", "orange red", "tomato", "maroon", "crimson"]for i in range(300): t.color(heart_colors[i%5]) t.right(i) t.forward(i) t.circle(5) ```上述代码中...
我们来看一个小例子来体会一下Red语言程序的画风。Red [needs: view]view [ title "加法演示" f1: field "3" f2: field "5.6" button "加" [ t1/text: rejoin [f1/text " + " f2/text " = " ((to float! f1/text) + (to float! f2/text)) ] ] return t1: text...
STL_UTILITYTEXT STL_VACUUM STL_WINDOW STL_WLM_ERROR STL_WLM_RULE_ACTION STL_WLM_QUERY 快照数据的 STV 表 STV_ACTIVE_CURSORS STV_BLOCKLIST STV_CURSOR_CONFIGURATION STV_DB_ISOLATION_LEVEL STV_EXEC_STATE STV_INFLIGHT STV_LOAD_STATE STV_LOCKS STV_ML_MODEL_INFO STV_MV_DEPS STV_MV_INFO STV_NO...
for event in dev.read(): if event.code == 2 and event.type == 1: print("value: %d" % event.value) 按下S3按键然后释放,就会收到下面的信息了: 这样,我们就准备好将按键值提供给Node-RED使用了。 八、在Node-RED中使用S3按键控制LED: 要在Node-RED中,获取到Python提供的按键值,然后控制LED,需...
The Red Hat Typeface is a superfamily of Display, Text, and Mono styles, each with a range of weights in roman and italic. The fonts were originally commissioned by Paula Scher /Pentagramand designed by Jeremy Mickel /MCKLfor the new Red Hat identity. ...
python import requests r = requests.post('https://quay.io/api/v1/repository/example/example/image', headers={'content-type': 'application/json', 'authorization': 'bearer <redacted>'}, data={[<request-body-contents>}) print(r.text) 15.4.8. 创建私有软件仓库 $ curl -x post https:/...
1. All-in-one Red Hat OpenStack Platform 安装 All-in-one Red Hat OpenStack Platform 安装 1.1. 先决条件 2. 一台 Red Hat OpenStack Platform 环境概述 3. 安装 all-in-one Red Hat OpenStack Platform 环境 4. 配置 all-in-one Red Hat OpenStack Platform 环境 ...
You can create a custom UDF based on the Python programming language. The Python 2.7 standard library is available for use in UDFs, with the exception of the following modules: ScrolledText Tix Tkinter tk turtle smtpd In addition to the Python Standard Library, the following modules ...
[第十一章](B16353_11_ePub_AM.xhtml#_idTextAnchor134),通过在 IBM Cloud 中创建服务器端应用程序来可视化数据,教我们关于在云平台上使用 Node-RED 进行 IoT 数据处理的应用程序开发方法。我们通常使用来自任何云平台的边缘设备的数据进行分析、可视化等。Node-RED 处理从 MQTT 代理订阅的数据,并为任何目的可视化...
tags=[b[1] for (a,b) in nltk.bigrams(brown_learned_text) if a[0]=='often'] fd=nltk.FreqDist(tags) fd.tabulate() 结果如下: VBN VB VBD JJ IN QL , CS RB AP VBG RP VBZ QLP BEN WRB . TO HV 15 10 8 5 4 3 3 3 3 1 1 1 1 1 1 1 1 1 1 ...