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Articles on Trending Technologies
Technical articles with clear explanations and examples
Difference Between USART and UART
In this post, we will understand the difference between USART and UART modes −USART (Universal Synchronous/Asynchronous Receiver/Transmitter)The half-duplex mode is used.The speed of USART is more in comparison to UART.It uses data signals as well as clock to work.The data is transmitted in the format of blocks.It can work similar to UART.It is more complex in comparison to UART.The receiver doesn’t require to know the baud-pace of the transmitter.This is because it gets information by the master and the clock signal.The data is transmitted at a definite (specific) rate.UART (Universal Asynchronous Receiver/Transmitter)It uses full-duplex mode.Its speed is less in comparison ...
Read MoreDifference Between WordPress.com and WordPress.org
In this post, we will understand the difference between wordpress.com and wordpress.org −Wordpress.orgIt is also known as the real WordPress.It is open source, and can be used by anyone.A domain name and a web hosting service is required to use this.It is also referred to as self-hosted WordPress.User has full control of the website.WordPress plugins that are free, or paid can be added to the website.The website and all of its data is owned by the user.Google analytics can be used to perform customized analytics.Advertisements can be run and revenue can be generated.User has to keep several backups of the ...
Read MoreDifference Between Website and Blog
In this post, we will understand the difference between a website and a blog −WebsiteIt is a collection of webpages and multimedia content.This is made available under one domain on the World Wide Web.The websites are usually hosted using a web hosting service.This allows the web pages and the content of the website to be accessed by people all over the world.It can be an internal site that could be accessed through a secure local area network.The fundamental unit of a website is content.It doesn’t have any kind of order.Commenting on a website is not possible all the time.There are ...
Read MoreDifference Between Hypertext and Hypermedia
In this post, we will understand the difference between hypertext and hypermedia −HypertextIt refers to the system of managing the information related to the plain text.It involves only text.It becomes a part of the link.It is the part of hypermedia.It allows the user to traverse through text in a non-linear fashion.It allows users to move from one document to another in a single click.The user can click on the hypertext or the ‘goto’ links.It helps the user move to the next document.It also helps the user move from one page of a document to the other page.It doesn’t provide a ...
Read MoreDifference Between Internal and External fragmentation
In this post, we will understand the difference between internal and external fragmentation −Internal FragmentationThe difference between the memory allocated and the space required is known as internal fragmentation.In this fragmentation, fixed-sized memory blocks are used to process data.This process occurs when a method or process is larger than the required memory.The method used in internal fragmentation is ‘best-fit’ block.It occurs when the memory is divided into fixed sized partitions.External FragmentationThe unused spaces that is formed between fragments of non-contiguous memory, which are too small to help with a new process, is known as external fragmentation.It uses variable-sized memory blocks ...
Read MoreDifference Between Linker and Loader
In this post, we will understand the difference between a linker and a loader −LinkerThe main function of the linker is to generate executable files.The linker takes the input as the object code which would be generated by a compiler/assembler.The process of linking can be understood as a method to combine different snippets of code in order to obtain executable code.There are two types of linkers available: Linkage Editor and Dynamic Linker.Linker also helps combine all the object modules.Linker is responsible to arrange the objects in the program’s address space.LoaderThe main function of a loader is to load executable files ...
Read MoreDifference Between Stack and Heap
In this post, we will understand the difference between Stack and HeapStackIt is a linear data structure.Memory is allocated in a contiguous (continuous) block.The memory for a stack is allocated and deallocated automatically using the instructions of the compiler.It costs less to build and maintain a stack.It is easy to implement.It is fixed in size; hence it is not flexible.Its only disadvantage is the shortage of memory, since it is fixed in size.If all the blocks are not occupied, memory gets wasted too.It takes less time to access the elements of a stack.It has an excellent locality of reference.HeapIt is ...
Read MoreWhat does 'weight' do in tkinter?
In order to structure the layout of the widgets in an application, we generally use the tkinter grid system. A grid system comprises rows and columns in which widgets are aligned. If we want to configure any widgets, then we can use the grid row and columns properties.Consider, if a widget is aligned such that there is extra space left, then we can add the weight property which enables the column to grow. A non-zero weight enables the column width to grow in the screen size if there is any extra space left. However, if the weight is zero, then ...
Read MoreUnderline Text in Tkinter Label widget
Tkinter label widgets can be styled using the predefined attributes and functions in the library. Labels are useful in place of adding text and displaying images in the application. Sometimes, we need to style the font property of Label Text such as fontfamily, font-style (Bold, strike, underline, etc.), font-size, and many more. If we want to make the label text underlined, then we can use the underline property in the font attribute.Example#Import the required library from tkinter import* #Create an instance of tkinter frame win= Tk() #Define geometry of the window win.geometry("750x250") #Create a Label widget label= Label(win, text= "Hey, ...
Read MoreSelect all text in a Text widget using Python 3 with tkinter
Tkinter text widgets are used for creating text fields that contain multiline user input. It has many inbuilt functions and methods which can be invoked to perform certain operations on text widgets. In contrast, let us assume that we have written a bunch of context in the text widget and if we want to select all the text, then we can use tag_add(tag, range) to select the text and add tag and tag_configure(tag, options) to style the tag property.Example#Import tkinter library from tkinter import * #Create an instance of tkinter frame win = Tk() #Set the geometry win.geometry("750x200") def select_text(): ...
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