usenet tk

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Python implementation in tkinter using matplotlib to draw graphics method example, tkintermatplotlib

Python implementation in tkinter using matplotlib to draw graphics method example, tkintermatplotlib This example describes how to use matplotlib to draw a graph in tkinter using Python. We will share this with you for your reference. The details are as follows: I. Code: # Coding = utf-8import sysimport Tkinter as Tkimport matplotlibfrom numpy import arange, sin, pifrom matplotlib. backends. backend_tk1_import figurecanvastk.pdf, NavigationToolbar2TkAggfrom matplotlib. backend_bases import key_p

Python GUI----Button

1. A simple button applicationFrom tkinter Import * #定义Button的回调函数def Hellobutton (): print (' Hello button ') root = Tk () # Use the Command property to specify the button's callback function button (Root,text = ' Hello Button ', command = Hellobutton). Pack () Root.mainloop ()2. Test button's Relief property run the following code to see the various effects of the button.From tkinter Import *root = Tk

Python's tkinter Use-check box action

1 #tkinter check box action2 3 ImportTkinter as TK4 5Root =tk. Tk ()6Root.title ('Questionnaire Survey')7Root.geometry ('220x80')#Set Window Size8 9Flag_1 =FalseTenFlag_2 =False OneFlag_3 =False AList_content = ['your hobbies are:'] -Hobby_list = ['Swimming','singing','Travel'] - the - defclick_1 (): - Globalflag_1 -Flag_1 = notflag_1 + ifflag_1: - list_content.append (hobby_list[0]) + Else: A

Python Graphical user interface programming

1. Tcl, TK and TkinterTkinter is the default GUI library for Python, which is based on the TK toolset, which was originally designed for the tool Command Language (TCL). Tk has been widely ported, including Perl (PERL/TK), Ruby (RUBY/TK), Python (Tkinter).

Apache + php provides two perfect solutions for 301 redirection _ PHP Tutorial

introduces the implementation method! 301. I have previously written an article about the implementation of redirection. However, the solution in this article is relatively simple and can only jump to the home page. The two methods described in this article are as follows, 301 redirection can be implemented perfectly. Method 1: modify the. htaccess file The code is as follows: The code is as follows: RewriteEngine On RewriteCond % {HTTP_HOST} blog. iflyhigher.

Tkinter learning-event binding and window, tkinter window

): Alt: When you press the Alt button Any: indicates that Any type of buttons are pressed. For example, Control: When the Ctrl key is pressed Double: When two subsequent events are triggered consecutively, for example, Lock: When uppercase letters are opened Shift: When you press Shift Triple: When three subsequent events are triggered Event object: Note: When Tkinter calls back a predefined function, it will call it with an Evnet object. Commonly Used functions include: X, y coordinates of t

Poj 3349 (hash weight)

; Int G [ 6 ];} Edge [N]; Int CNT, pre [N]; Int Flag1; Void Hash (LL key, Int K [ 6 ]) { For ( Int P = pre [Key]; P! =- 1 ; P = Edge [p]. Next ){ Int FF = 0 ; For ( Int I = 0 ; I 6 ; I ++ ) If (K [I]! =Edge [p]. g [I]) {FF = 1 ; Break ;} If (FF = 0 ) {Flag1 = 1 ; Return ;}} For ( Int I =0 ; I 6 ; I ++ ) Edge [CNT]. g [I] = K [I]; edge [CNT]. Next = Pre [Key]; Pre [Key] = CNT ++ ;} Int Main (){ Int N; While (Scanf ( " % D " , N )! =EOF ){ Int K [ 6 ],

Apache + php provides two perfect solutions for 301 redirection

perfectly. Method 1: Modify the. htaccess FileThe Code is as follows:Copy codeThe Code is as follows: RewriteEngine OnRewriteCond % {HTTP_HOST} blog. iflyhigher. tk $ [NC]RewriteRule ^ (. *) $ http://blog.jb51.net/#1 [R = 301, L]RewriteCond % {HTTP_HOST} iflyhigher. tk $ [NC]RewriteRule ^ (. *) $ http://jb51.net/#1 [R = 301, L]RewriteCond % {HTTP_HOST} moiya. tk

Tank war source code

When I was a child, didn't you play overlord like me? So you know how to implement it with a program? I have been thinking about this problem since that time! I realized this ideal when I was studying! Tank wars are divided into eight categories. I upload one to my blog every other time, and then I will be able to play after the accumulation is complete! It is my pleasure to share with you, and I hope you can give suggestions! Leave a message for me. On the last day of the upload, I will give ev

A detailed explanation of the Linux./configure parameters

/usr/lib/perl), so you must have root permission to perform the installation steps (see step 4). With this option you need to install Perl 5.--with-pythonMake a Python interface module. You need root permissions to install the Python module to its default location (/USR/LIB/PYTHONX.Y). To use this option, you must already have Python installed and your system must support shared libraries. If you want to create a new complete binary interpreter, you can only make it yourself.--with-tclMake the p

python-automatic generation of EXL files based on existing administrative information

Recently received a small task, need to find out from such information community, the village and classification. Afterwards I calculated, only the village has 500 +, such repetitive labor decisively choose Python to execute.To make it easier for other people to meet the same problem, I used Pyinstaller to pack the program. Based on previous experience, it is possible to run on a Win7 32-bit PC.It's important to note that you need to have a file like "Name.txt".Originally intended to use crawler

A summary of the exercises in "interesting learning Python Programming"

* (point-2) /point-60) t.end_fill () #funcDrawStar (100,6) Funcdrawstar (100,9) time.sleep (5) 12.12th Chapter: Drawing Advanced Graphics with Tkinter 1) draw a triangle on the screen, position random, color random fromtkinterimport*importrandomcolor=["green", "Red", "Blue", "Orange", "yellow", "pink", "purple", "Violet", "magenta", "cyan"]TKNBSP;=NBSP;TK () Canvas=canvas (tk,width= 400,height=400) Can

Python's tkinter use-scroll bar

1 #Gui:tkinter Use2 #Change the font size in a label by adjusting the scroll bar3 ImportTkinter as TK4 5 6 defResize (ev=None):7 " "change the label font size" "8Label.config (font='Helvetica-%d Bold'%scale.get ())9 Ten Onetop = tk. Tk ()#instantiating a Tkinter object ATop.geometry ('250x150')#Set Window Size -Top.title ('Slide Settings')#Set Window caption - the #Label Control -label =

Python Tkinter library installation-Debian

Python Tkinter library installation-Debian-Linux Release Technology-Debian information, the following is a detailed description. Tkinter is a Python GUI widget. In general, Linux does not come with it. You must install it on your own. 1. Confirm that Tkinter is not installed: Zhancang @ debian :~ $ Python Python 2.4.4 (#2, Apr 5 2007, 20:11:18) [GCC 4.1.2 20061115 (prerelease) (Debian 4.1.1-21)] on linux2 Type "help", "copyright", "credits" or "license" for more information. >>> Import Tkinter

The second stage of the fun-learning Python pinball game

Now, according to the "Fun learning python--teach children to learn programming" content, to let the ball move up.fromtkinterimport*importrandomimporttime# Create Ball class classball: def__init__ (Self,canvas,color): #初始化函数 with canvas and color parameters self.canvas =canvas #把参数canvas赋值给对象变量canvas self.id=canvas.create_oval (10,10,25,25,fill=color) #创建椭圆, upper-left and lower-right XY coordinates, returns the idself.canvas.move representing the graph (self.id, 245,100) #把画好的椭圆形移动的画布中

Linux./configure Parameters

installation steps (see step 4 ). to use this option, you need to install Perl 5.-- With-PythonCreate a python interface module. you need the root permission to install the python module to its default location (/usr/lib/pythonx. Y ). to use this option, you must have installed Python and your system must support shared libraries. if you want to create a new Complete Binary interpreter, you can only make it manually.-- With-tclMake components that require Tcl/

Three questions about the use of MyBatis in Springboot

problem, this time I say three points, also I encountered in the actual development of the Oh ( ̄﹏ ̄)    1> Press primary key query times DAO type cannot be converted2> Mapper and DAO methods when querying with tables3> Insert data return a primary key configuration methodFirst question: " query the Times by primary key DAO type cannot be converted ".Well, can be seen as a mybatis bug, currently only in the TK version of the MyBatis , here first out of

Python---Basics review (ix) graphical user interface

Main use of Wxpython (most mature cross-platform Python GUI toolkit) foreplay: Veteran python GUI program (Tkinter)Import Tkinter.messagebox asMessageBoxclassApplication (Frame): def __init__ (Self,master=None): frame.__init__ (SELF,MASTER,BG="Red") #设置框架类的父类 (based on master), frame can be considered as the parent container of the control Self.pack () #显示frame控件 self.createwidgets () def createwidgets (self): #用于创建控件 (f Rame's son) Self.nameinput=Entry (self) self.nameInput.pack () Self.alertbu

Dark Horse Programmer--summary--multithreading--Change 12

one period can be executed at the same time, complete execution to execute another threadMethod:2, synchronous code block method; Keyword: Synchronized add an object to define this piece of codeMultiple synchronous code blocks use the same lock as the object, then these threads synchronize theGive me a chestnut:Sell tickets: When multithreaded operations share data, security issues can occur, and we need to synchronize the code of the operational data1Package TEST; 2 2/* Write three types of ti

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