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Selected Topics in IT
Australia
เข้าร่วมเมื่อ 25 ม.ค. 2020
This channel aims to provide short videos on selected topics in IT.
C# 52: How to print null values in Console.WriteLine
How to print null values in Console.WriteLine
มุมมอง: 16
วีดีโอ
C# 51: How the nullable modifier (int?) works to return an int or a null
มุมมอง 14 ชั่วโมงที่ผ่านมา
How the nullable modifier (int?) works to return an int or a null
C# 50: Transforming binary search code from Python to C#, and how it has an O(logn) time complexity
มุมมอง 214 ชั่วโมงที่ผ่านมา
Transforming binary search code from Python to C#, and how it has an O(logn) time complexity
Python 80: How to calculate log base 2 on a Windows calculator
มุมมอง 99วันที่ผ่านมา
How to calculate log base 2 on a Windows calculator
Python 79: Binary search with O(logn) time complexity explained.
มุมมอง 196วันที่ผ่านมา
Binary search with O(logn) time complexity explained.
Python 77: Comparing the format() method vs format() function for number formatting
มุมมอง 3221 วันที่ผ่านมา
Comparing the format() method vs format() function for number formatting: Formatting a floating point number to 2 decimal places Adding leading zeros to an integer Formatting numbers as currency
Python 76: Formatting numbers as currency using the format() method
มุมมอง 1521 วันที่ผ่านมา
Formatting numbers as currency using the format() method. The comma separator is inserted after every three digits starting from the right. This applies regardless of whether the number is in the thousands, millions, or beyond.
Python 75: Adding leading zeros to an integer using the format() method
มุมมอง 1421 วันที่ผ่านมา
Adding leading zeros to an integer using the format() method
Python 74: Formatting a floating point number to 2 decimal places using the format() method
มุมมอง 1921 วันที่ผ่านมา
Displaying/formatting a floating point number to 2 decimal places using the format() method. .2f specifies two decimal places, the number is displayed rounded to two decimals, but the original number remains unchanged.
C++ 72: How to format output with setw and left/right (iomanip)
มุมมอง 29หลายเดือนก่อน
How to format output with setw and left/right (iomanip)
Java 118: Dynamic numbering in menu options from hardcoded to automated
มุมมอง 19หลายเดือนก่อน
Dynamic numbering in menu options from hardcoded to automated By auto numbering menu options, we get these benefits: 1) No need to update numbers manually. 2) Easier to add more options.
Java 117: Dynamically displaying a well formatted menu using an array
มุมมอง 12หลายเดือนก่อน
Dynamically displaying a well formatted menu using an array By making the menu dynamic, we get these benefits: 1) Easier to update the array to add or remove options. 2) Less repetition with one loop handling all the options. 3) Code is easier to read and manage.
Java 116: Running a standard Java program from Android Studio
มุมมอง 28หลายเดือนก่อน
Running a standard Java program from Android Studio
WordPress 2: Create and link a Rogister user form in WordPress using Forminator
มุมมอง 112 หลายเดือนก่อน
WordPress 2: Create and link a Rogister user form in WordPress using Forminator
WordPress 1: Create and link a Login user form in WordPress using Forminator
มุมมอง 292 หลายเดือนก่อน
WordPress 1: Create and link a Login user form in WordPress using Forminator
C 19: Read from a text file into structs
มุมมอง 222 หลายเดือนก่อน
C 19: Read from a text file into structs
PHP and MySQL 16: Fetch rows from a result set using mysqli_fetch_assoc
มุมมอง 352 หลายเดือนก่อน
PHP and MySQL 16: Fetch rows from a result set using mysqli_fetch_assoc
PHP and MySQL 15: Fetch rows from a result set using mysqli_fetch_array
มุมมอง 392 หลายเดือนก่อน
PHP and MySQL 15: Fetch rows from a result set using mysqli_fetch_array
jQuery 17: Turn the burger icon into an "X” using jQuery and CSS with a simple transition effect
มุมมอง 252 หลายเดือนก่อน
jQuery 17: Turn the burger icon into an "X” using jQuery and CSS with a simple transition effect
jQuery 16: Close the nav-links if clicking outside the burger and nav-links
มุมมอง 182 หลายเดือนก่อน
jQuery 16: Close the nav-links if clicking outside the burger and nav-links
jQuery 15: Add toggle functionality to make your navbar responsive on smaller devices
มุมมอง 212 หลายเดือนก่อน
jQuery 15: Add toggle functionality to make your navbar responsive on smaller devices
JavaScript 18: Add toggle functionality to make your navbar responsive on smaller devices
มุมมอง 352 หลายเดือนก่อน
JavaScript 18: Add toggle functionality to make your navbar responsive on smaller devices
HTML and CSS (part 54): Why the meta name="viewport" tag is crucial for responsive design
มุมมอง 132 หลายเดือนก่อน
HTML and CSS (part 54): Why the meta name="viewport" tag is crucial for responsive design
HTML and CSS (part 53): How to create a responsive navigation bar using HTML and CSS
มุมมอง 112 หลายเดือนก่อน
HTML and CSS (part 53): How to create a responsive navigation bar using HTML and CSS
C# 49: Understanding bitwise operations on vectors - NOT
มุมมอง 73 หลายเดือนก่อน
C# 49: Understanding bitwise operations on vectors - NOT
C# 48: Understanding bitwise operations on vectors - OR, and XOR
มุมมอง 263 หลายเดือนก่อน
C# 48: Understanding bitwise operations on vectors - OR, and XOR
C# 47: Understanding binary numbers and bitwise operation on vectors - AND
มุมมอง 143 หลายเดือนก่อน
C# 47: Understanding binary numbers and bitwise operation on vectors - AND
C# 46: Element-wise vector subtraction, multiplication, division, negation, dot product
มุมมอง 163 หลายเดือนก่อน
C# 46: Element-wise vector subtraction, multiplication, division, negation, dot product
Thanks so much this really helped me with my homework
absolute amazing and simple demonstrations
Im actually searching about the actual header text ;-;
thank you verrry much❤
I couldnt visualize this guy! Thanks a lot!
Yep, I understand!
We need more tuts like this on this TH-cam 🙏thanks
Dude, i really aprecciate this, i'm starting on college and was in doubt how to do this without Math.Round
All the best at college, glad this helped!
Exactly what I was looking for 🤩
ily
I've been looking for this concept for the past 2.5 years until you rescued me now <3. Thank you so much.
Thanks for the great words, welcome!
Thank you dear teacher, I am into programming. Gladly learning from your videos and best vibes to you. I am a self learning and thinking on taking an official course at school (just to meet the requirement). You are my champion, and thank you so much!!))
Thank you so much for your kind words! All the best in your journey, you will ace it.
Thanks for the video. I just start learning the language at the age of 50 with out any teacher. Well I was thinking how to run the program again after the completion, your video has gaven me some idea how to run the program again. Thanks allot .....
That's inspiring really, Suleman. I'm sure you will become really good with dedication like this. Glad my video helped!
@@selectedtopicsinit1274 Will you please recommend me any good and simple book of C programing..
@@SulemanHafeez-yx7dl Those books are beginner friendly: "C Programming Absolute Beginner's Guide" by Greg Perry and Dean Miller "C Programming: A Modern Approach" by K.N. King "Deitel & Deitel's C: How to Program" by Paul Deitel and Harvey Deitel You can also use online material that is available for free: www.w3schools.com/c/ (straight forward and includes practical examples) www.tutorialspoint.com/cprogramming/index.htm (provides a comprehensive guide to C programming) www.geeksforgeeks.org/c-programming-language/
@@selectedtopicsinit1274 Thanks for the replying, sure I will read them too...
@@selectedtopicsinit1274 Please accept my apology for replying little bit late coz of internet connection problem.
Thank you so much!
A year after the video was uploaded, and here I am. A nice video, and now I would like to know how you can access the 'result' information from this row $result = mysqli_stmt_get_result($statement); I thought I might get away with using something like: $row = mysqli_fetch_array($result); $fixture_id = $row['FixtureID']; But, alas, no.
Hi, Thank you for watching my videos :) Is FixtureID a column name in your table? Because it has to be to work. Another way is to use the mysqli_fetch_assoc function, it only returns an associative array. if ($row = mysqli_fetch_assoc($result)) { // replace 'username' with the actual column name from the database $fixture_id = $row['FixtureID']; echo "Fixture ID = " . $fixture_id; } else { echo "Incorrect fixture_id"; } I've made 2 videos on this hoping they would be helpful: th-cam.com/video/fOwmDy2yDok/w-d-xo.html th-cam.com/video/p2J-beycnXM/w-d-xo.html
Thank youuuu.. I was using float and it was not working.
Helpful thanks ❤
thank you!
Hey I'm working on something similar, so-far-so-good but i can never get this toggle method to work. I'm starting to suspect that it's because I've generated my div's with class name item in a for loop. Would appreciate your advice
Hi @alexandersalucci3569, I'm sorry for the late reply. Have you tried maybe integrating the creation of the loop and event listener setup into a single script to ensure correct order? Something like this: <script> document.addEventListener('DOMContentLoaded', () => { const container = document.querySelector('.container'); for (let i = 1; i <= 12; i++) { const div = document.createElement('div'); div.className = 'item'; div.textContent = i; container.appendChild(div); } const items = document.querySelectorAll('.item'); items.forEach(item => { item.addEventListener('click', () => { item.classList.toggle('clicked'); }); }); }); </script>
Hi. Great job. Do you have same video In java Android Studio? Thanks
No, but I'll add this to my to do list :)
Thanks@@selectedtopicsinit1274
@@ailekzavy is this what you had in mind? th-cam.com/video/Akup_VjmZrU/w-d-xo.html
Thank you for this video🙏. It really helped me
you saved my whole career
thank you , it worked
Thanks
Hello, I have renamed and rewrote your checkInput method as follows: (which does exactly the same thing in the end, just that it looks a little more straightforward to me) public static boolean allDigits(String s) { if (s.isEmpty()) return false; for (int i=0; i < s.length(); i++) { if (!Character.isDigit(s.charAt(i))) return false; } return true; }
That's a nice way of rewriting this, well done :)
ajudou no meu portifolio muitissimo obrigado por seu conhecimento
Thank you... 😊
This is so cool thaks for the video
Hello, what if the user press Enter the first time aka pass the empty string to your method ? I think you have to check for this particular case. Anyway, just stumble upon your channel with seems really great. +1 subscriber as you seem publish content regularly. Keep it on!
Great point! Thank you for your feedback. I've update the program in: th-cam.com/video/yySik89AMsU/w-d-xo.html Thanks for subscribing! Its comments and subscribers like you that keep me going.
4 years later and still incredibly helpful!
Thank you!
thanks a lot, finally understand the negative argument
thanks this video helped me a lot do you have a discord or something like that?
Glad it helped. I don't, not at this point
so we should always add cin.ignore() between cin>>xxx and getline(cin, xxx)?
it worked, thank you!
Thank you......
O también puedes utilizar el backslash dentro de un string , luego presionas _ENTER_ y continúas escribiendo ese texto que se va volviendo largo.
Ty.
Nice one!
this can help a lot of people here aswell print(f"5 x 5 equals {5*5}") am refuring to the function of f""
How can I WhatsApp you
Thanks very much 🙏
Excelente! Muito obrigado pelo vídeo, eu estava ficando maluco com a quantidade de números após a vírgula que eu estava obtendo em meu programa 😅
still doesnt work properly on ubuntu firefox
thank u so much i was having a hard time converting my args into scanner T____T <3
can you show how to write FOR LOOP for series 1 8 27 64 ?
Hello, Is this what you meant? th-cam.com/video/EkuGyI0LfS0/w-d-xo.html
Thank you!!
Did exactly what you said but it didn't work for me. I read that PHP Server should be installed as well but is that not necessary? I've tried it every which way but no luck. There must be some setting that's wrong.
You need a PHP server, that's right. I have XAMPP installed.
Very helpful. Thanks for the awesome explanation.
Why is any number over itself equal to 1 but 0/0 is not equal to 1? Please check our results, in particular, 0/0=0 was known 1300 years ago in India!!!! Furthermore, please look at the big news: What is 1/0, 0/0 and 0^0? I think we were able to solve the all problems as 1/0=0/0=0 and 0^0=1 and 0: Please look at a new world and mathematics. For y=f(x) = 1/x, f(0)=0. tan (\pi/2) = 0, [g(x)/(x-a)]_{x=a} = g’(a). We think that modern mathematics is still flawed. It is clear that there are basic defects in function theory, differential equations, geometry, and algebra, and it has been eight years since the discovery. This will be a stain on world history. Division by Zero Calculus - History and Development, 2021 Scientific Research Publishing, Inc. As Fundamental of Mathematics, the division by zero was known as the generalized Moore-Penrose solution of the fundamental equation: ax=b. Look at the simple evidence of its importance: H. Okumura, Geometry, and division by zero calculus, International Journal of Division by Zero Calculus, {\bf 1} (2021), 1-36. The book was published: INTRODUCTION TO THE DIVISION BY ZERO CALCULUS, SABUROU SAITOH, January, 2021 We founded an international journal on division by zero calculus from the United Kingdom ( romanpub.com/dbzc.php ).
thanks but when i compile the program the errors screen disappears , what should i do ?
same problem
@@muzammilzaidi4840 That should not happen, have you tried restarting the program?