[Developing on Nervos CKB] Introduction to Nervos CKB scripting [5]: Debugging debug
Author: Xuejie
Original Link: https://xuejie.space/2019_10_18_introduction_to_ckb_script_programming_debugging/
Introduction to Nervos CKB scripting [5]: Debugging debug
In fact, CKB scripting works at a much lower level than other smart contracts, so the debugging process for CKB is fairly mysterious.In this article, we will show you how to d ...
Added by Michiel on Mon, 09 Dec 2019 05:23:47 +0200
python 3.7 quick start tutorial 7 Internet
Contents of this tutorial
7 Internet
Internet access
urllib
urllib is a Python module for opening URL s.
import urllib.request
# open a connection to a URL using urllib
webUrl = urllib.request.urlopen('https://china-testing.github.io/address.html')
#get the result code and print it
print ("result code: " + str(webUrl.getcode()))
...
Added by johnh2009 on Sun, 08 Dec 2019 21:33:51 +0200
jQuery date (age) select plug-in
Download address: https://www.helloweba.net/javascript/263.html
<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<title>jQuery Date (birthday) selector</title>
<style>
</style>
<script type="text/javascript" src="jquery.js">< ...
Added by DaveLinger on Sun, 08 Dec 2019 14:34:52 +0200
How to create hexagon button effect with pure CSS
Effect preview
Online demo
Press the "click preview" button on the right to preview on the current page, and click the link to preview in full screen.
https://codepen.io/comehope/pen/xjoOeM
Interactive video tutorial
This video is interactive. You can pause the video at any time and edit the code in the video.
Please use chrome, safa ...
Added by Cateyes on Sun, 08 Dec 2019 11:57:43 +0200
SignalR2 simple data Kanban demonstration
Software environment:
1,vs2015,windows7,.net4.5
Presentation:
When the button is clicked, the histogram value is increased by 1 and changes in real time
1. First open vs2015 to create an mvc project and install SignalR2. For details, please refer to: http://net-yuan.com/Article/Detail/e407a472-338a-458d-9d7a-4a9e43fd2da5
2. Right click the pro ...
Added by cronus on Sun, 08 Dec 2019 01:53:48 +0200
Add big integers
Preface
Q: there are two big integers, which cannot be stored as large as long. How to add them?
A: . . .
thinking
To solve this problem, there are two problems to be solved:
How to store two large integers
Summation
If long cannot be stored, then this number must be very large, and can only be stored in other ways. We can use s ...
Added by RussW on Fri, 06 Dec 2019 14:34:13 +0200
20181225 automatic creation of ssh mutual trust script in Linux shell bash environment
1. My Blog
Blog Park https://www.cnblogs.com/piggybaba/
Personal website: http://piggybaba.cn
GitHub https://github.com/AndyYHM/Writing/
2. Introduction
Abstract: under Linux, automatically create SSH mutual trust script
Author: andy_yhm@yeah.net
Date: 20181225
Keywords: Shell script, SSH, SSH trust, auto, SSH mutual trust, / bin/bash
3. Sc ...
Added by wes007 on Fri, 06 Dec 2019 07:01:15 +0200
[Xuefeng magnetic needle stone blog] computer vision opcencv tool deep learning quick practice 2 opencv quick start
opencv basic operation
# -*- coding: utf-8 -*-
# Author: xurongzhong#126.com wechat:pythontesting qq:37391319
# Technical support nail group: 21745728 (pythontesting invitation can be added)
# qq group: 144081101 591302926 567351477
# CreateDate: 2018-11-17
import imutils
import cv2
# Read picture information
image = cv2.imread("jp.png")
...
Added by Fruct0se on Fri, 06 Dec 2019 05:16:58 +0200
Obtain the ordinate value corresponding to the specified abscissa from the point on the curve
It's easy to get a point on a straight line. What about a curve? How to get the ordinates corresponding to the specified abscissa for the second-order Bezier, third-order Bezier, and multi segment mixed curves?
The following figure:
Implementation plan
Point set on curve
Geometry provides a function GetFlattenedPathGeometry to get the pol ...
Added by danman252 on Thu, 05 Dec 2019 17:38:19 +0200
Iterative processing of thymeleaf data
Data iteration is an important part of the template language and of all project development, so the following iteration will be implemented and the iteration type of data in actual development will often have List Map type
1.0 Establish a controller to append a List collection data to the controller
/****
* Simulate Collec ...
Added by rathlon on Wed, 04 Dec 2019 04:40:29 +0200