Table of Contents Resolving Graphviz ExecutableNotFound error What is Graphviz Error analysis Solution Method 1: Set environment variables Method 2: Manually set the Graphviz executable file path Summarize Resolving Graphviz ExecutableNotFound error When using Graphviz for graph visualization, you sometimes encounter the ??graphviz.backend.ExecutableNotFound?? error. This error is usually caused by not being able to find […]
Tag: args
Use plot to explore the results of using fmt strings in different situations. And explore the feasibility of replacing fmt strings with **kwargs in the plot0 function!
1. Import the pyplot template in the numpy library and matplotlib library, and set it to support Chinese character display: #Import numpy library #Import the pyplot module in the matplotlib library import numpy as np import matplotlib.pyplot as plt # 0. Set up support for Chinese character display (fixed code, no need to change): plt.rcParams[‘font.family’] […]
Use plot to explore the results of using fmt strings in different situations. And explore the feasibility of replacing fmt strings with **kwargs in the plot0 function!
1. Import the pyplot template in the numpy library and matplotlib library, and set it to support Chinese character display: # Import numpy library #Import the pyplot module in the matplotlib library import numpy as np import matplotlib.pyplot as plt # 0. Set up support for Chinese character display (fixed code, no need to change): […]
Translation: How to use the SocketAsyncEventArgs class
Reprinted from: http://blog.csdn.net/hulihui/article/details/3244520 Original text: How to use the SocketAsyncEventArgs class. by Marcos Hidalgo Nunes Download client – 4.09 KB Download server – 7.5 KB Introduction Connecting to .NET Framework 3.5″) (see part of the content at the end of the text Translation Notes – Translator’s Note). Background Translation Note – Translator’s Note), thereby reducing […]
xargs: How To Control and Use Command Line Arguments
refer to: http://www.cyberciti.biz/faq/linux-unix-bsd-xargs-construct-argument-lists-utility/ http://linux.101hacks.com/linux-commands/xargs-command-examples/ http://www.computerhope.com/unix/xargs.htm http://offbytwo.com/2011/06/26/things-you-didnt-know-about-xargs.html http://unixhelp.ed.ac.uk/CGI/man-cgi?xargs XARGS(1) XARGS(1) NAME xargs – build and execute command lines from standard input SYNOPSIS xargs [-0prtx] [-E eof-str] [-e[eof-str]] [–eof[=eof-str]] [–null] [-d delimiter] [–delimiter delimiter] [-I replace-str] [-i[replace- str]] [–replace[=replace-str]] [-l[max-lines]] [-L max-lines] [–max-lines[=max-lines]] [-n max-args] [–max-args=max-args] [-s max- chars] [–max-chars=max-chars] [-P max-procs] [–max-procs=max-procs] [–interactive] [–verbose] [–exit] [–no-run-if-empty] […]
Understanding *args and **kwargs in Python
write in front In the process of reading code, we often see this expression containing *args and **kwargs: For example, what should this output? def foo(*args): print(args) foo(1, 2, 3, 4, 5) what about this? def foo(a, *args): print(‘a:’, a) print(‘args:’, args) foo(1, 2, 3, 4, 5) And what about this? def bar(a,b,c): print(a,b,c) bar(*[1,2,3]) […]
public static void main(String args) {
Author: Zen and the Art of Computer Programming 1. Introduction At present, artificial intelligence technology has become a hot word in our country and around the world. In recent years, the development of the field of artificial intelligence has produced many major changes, such as big data, cloud computing, etc., which have brought massive data […]
Solve the problem checkArgs fail, thumbData should not be null or exceed 128kb
1. Phenomenon: WeChat Mini Program Card Sharing’, some mobile phones fail to share 1. Problem detailed error log: checkArgs fail, thumbData should not be null or exceed 128kb Problem: Parameter error, thumbData cannot be empty or larger than 128kb 2.Solution Compressed Bitmap Method: bmpToByteArrayBySize Parameters: 1. The Bitmap that needs to be compressed; 2. The […]
File search find, locate, command passing parameter xargs
Non-real-time search (database search): locate locate features: Fast search speed fuzzy search Non-real-time lookup Searches for the full path of the file, not just the file name locate usage -i case-insensitive search -n N List only the first N matching items -r uses basic regular expressions Search for files containing “conf” in their name or […]
golang command line command line (flag,os,arg,args)
Table of Contents 1. golang command line command line 1.1. Introduction 1.2. Parsing Arguments from the command line (os package) 1.2.1. Get the number of args 1.2.2. Iterate over all arguments 1.3. Using flags package 1.3.1. Parse Typed Flags 1.3.2. Set flags from the script 1.3.3. Use Reference to arguments (pointers) 1.3.4. Parse Arguments 1.3.5. […]