Shadowing Practice: Day 26 of English Speaking Practice - Learn English Speaking with Video

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Hello everyone so this is another day of my daily practice and today I want to talk about middleware

which is express framework topic and it is related with our last springboard topic also right

so let's start so what is a middleware what is the need of middleware right

so it is a very important topic of express and almost every real world application use this concept of middleware

so what is this a middle there right

so it is a one type of function one type of method

which will which will trigger which will coming to work between the browser

and between the user and express us so a server right

so when you give a new API

and hit enter then respected response you will see on the browser right

and you think that

when you hit API then it will go to the particular API function it will go

and call this particular API

and give you the response direct directly from the user to a browser

or from browser to a server but in real world this is not happen right

because of all the some type of validation and this thing

so for in real world once you write api

and hit enter then first your browser call a middleware

if the middle you have defined a middleware for this particular api then your browser then

call this middleware after the after the middleware it calls the next middleware

and after all the middleware has called then after

that it will go to the correct API function

and give your response so this is a one type of function one type of code

where trigger between your response and between your request and response right to pass middleware to

Between a function we use on the function like app dot use

right and To One middleware to another middleware we use a next function

So between a client request and final response all the middleware will be triggered

And now you think that what is the need of this middleware, right?

so I give you the example that you have a big application

or a website and it's a very more

and more API endpoint like assume that 100 API endpoint

so you think

that I want to maintain all the history of API code I want to maintain all the API response and requests

so you want to log all the requests like whatever api

is called by a client then you see in your console

that which is a trigger so there is a one the

so you write a console.log an api name

and this thing this particular line you have to write all the api for right

so you have to write 100 time for all api

so it is just uh you think it is just a line right we are copy paste copy paste

but in a real word it is uh not for a

particular line it can be for a validation function request validation whether the request is valid

or not whether the user is authenticated or not right

so i'll give you another example from my hospital project

that you trigger a apis for a admin right

and you have login with the person then first

when a epi function is a call the all the middleware will check whether you user is valid

or not the user is valid

and api is for admin a user is uh i mean user is patient

and api is for admin right so it is error then middleware should throw to not

access denied error

so you have to define all these validation functions all the request parameter whether it is valid

or not and this big stuff for all your 100 api calls right

so it it becomes very busy it becomes very messy

and very big code very lengthy code right

so that's why all the scenario with this middleware will work right

if you have put the middleware between particular these api then you need to write the whole code

and only for once time right and for After all the API, your middleware first trigger and then after your function call that happen.

So this is the main use of the middleware function to validate user authenticate

or not all the request parameter request body and this thing.

So there is one function next.

So it is a very important function without this function you cannot move to your next middleware

or your next response API function function so

if you are not use next function then your browser keep loading

and you stuck at a particular middleware you cannot go forward

so that's why it is use of mandatory for all the middleware right

so this is about middleware

and yes it is as similar as java of solid filter

chain in concept right in java we have learned what is the filter what is the filter chain

and this middleware and this filter then as similar as that right

so in java there is a multiple of filter a filter

one filter two filters there is a chain of filter

and at the end we got our response

and here there is a chain of a middleware one middleware two middleware

and at the end we got our response so both are similar so i have first studied about java filter

and now i'm studying about middleware

so for me it is a very uh easy topic right

if you are new then you think

that is some type of uh you can say some type of difficulties

but it is not difficult once you master it

and you also think it is very topic is it okay

so this is about a middle right so thank you for today

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Context & Background

In today's video, the speaker delves into the concept of middleware within the Express framework, a crucial component for managing server functions and client requests in real-world applications. Through this discussion, learners are introduced to technical vocabulary and concepts that are commonly used in programming and web development, while also practicing their English speaking skills. The emphasis on middleware showcases how functions in coding can parallel organized communication, making this a valuable lesson for both English and tech enthusiasts.

Top 5 Phrases for Daily Communication

“What is middleware?” - A fundamental question that sets the stage for deeper dialogue.
“It is very important” - This phrase highlights the significance of a topic and can be applied in various discussions.
“You want to maintain all the history” - Useful in conversations about data management and record-keeping.
“Check whether the user is valid” - A practical example reflecting verification processes, applicable in both technical and non-technical spheres.
“Throw an error” - Essential vocabulary for technical discussions that can also be metaphorically used in daily life when addressing mistakes or problems.

Step-by-step Shadowing Guide

To improve your English speaking skills using this video, follow these steps for an effective shadowing practice:

Listen Actively: Start by watching the video to understand the context. Pay close attention to pronunciation and intonation used by the speaker.
Pause and Repeat: Use the shadowing technique by pausing the video after every sentence or phrase. Try to replicate what you hear, mimicking both the flow and emotion of the speaker. This not only aids in language retention but also enhances your speaking rhythm.
Analyze the Vocabulary: Focus on the technical terms like “middleware,” “API,” and “request validation.” Write these down and practice using them in sentences to solidify your understanding.
Record Yourself: After a couple of shadowing sessions, record your own voice as you repeat phrases from the video. Listen back to spot differences in your pronunciation and tone.
Engage with Others: Share what you’ve learned with a friend or language partner. Discussing the topic allows you to use new vocabulary in conversation, reinforcing your learning.

By integrating these techniques, you'll not only improve your English but also gain confidence in discussing technical subjects. Remember, frequent practice using shadow speech will accelerate your learning. So, embrace the learning journey and enjoy using resources like YouTube to expand your linguistic skills! With daily exercises, you can become proficient in both English and your areas of interest, such as web development and programming.

דקדוק בסרטון הזה

המבנים שהדובר משתמש בהם הכי הרבה, עם המילים המדויקות מהסרטון:

מבנה	בסרטון
הווה מושלם (Present perfect) have/has + past participle — פעולה שקרתה בעבר ועדיין יש לה חשיבות או השפעה עכשיו	have defined · has called · have put
סביל (Passive voice) be + past participle — הדגש הוא על מה שקורה, לא על מי שעושה את הפעולה	will be triggered · is called · is authenticated
משפטי זיקה (Relative clauses) who / which + clause — מידע נוסף על אדם או דבר	will which will · that which is

מהי טכניקת השאדואינג?

שאדואינג היא טכניקת למידת שפה מבוססת מדע שפותחה במקור להכשרת מתורגמנים מקצועיים ופופולרית על ידי הפוליגלוט ד"ר אלכסנדר ארגואלס. השיטה פשוטה אך עוצמתית: אתה מקשיב לאודיו באנגלית ילידית וחוזר עליו בקול רם מיד — כמו צל העוקב אחרי הדובר עם עיכוב של 1–2 שניות בלבד. בניגוד להאזנה פסיבית או תרגילי דקדוק, שאדואינג מכריח את המוח והשרירים בפה לעבד ולשחזר דפוסי דיבור אמיתיים בו זמנית. מחקרים מראים שזה משפר משמעותית את דיוק ההגייה, האינטונציה, הקצב, הדיבור המחובר, הבנת השמיעה ושטף הדיבור — מה שהופך אותו לאחת השיטות היעילות ביותר להכנה לIELTS Speaking ולתקשורת באנגלית בעולם האמיתי.

טכניקת Shadowing: קרא את המדריך המלא שלב אחר שלב →

Shadowing Practice: Day 26 of English Speaking Practice - Learn English Speaking with Video

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