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  1. Hi there, so i have a file that needs to be decoded, this is a thing now that i can't do it. So any help would be highly appreciated. Please help me decode this code, its been weeks and i'm still in the same place text.txt
  2. Java String Methods The description for intern() in the tutorial reads: This is actually the short description of the overloading indexOf(int ch, int fromIndex) method. The actual short description of intern() reads: Java Strings The Java Strings section contains: According to the JLS, 3.10.5. String Literals: and since String implements CharSequence and states: and since collection has a special meaning in Java the following would be more precise: a) from a general point of view: A String va
  3. What's the difference between a Method and a Constructor? Only in the name?
  4. I have 2 questions: 1. Is it the norm that a Java program can only have One class? 2. Is a Class in Java always"Public"? If any of your answers is a No, can you please show a simple example program with System.out.println(). I'm a beginner, so, sorry if these questions appear stupid to you.
  5. How to back sqlite database on said email's google drive in android studio.. PROBLEM : I don't want to store my data on online data base as it will charge me when it will be for commercial uses.. Now i am storing data in Local data base SQLite database.. Now it is big challenge to me that i am unable to the backup my SQL Database to google drive.. I want to add these facilities 1) Restore & Backup SQLite database on google drive after user sign in their account.
  6. Java jdk v- 15 class not found error on android command line tools install manually
  7. Hi, Can someone please help with some code I am trying to have the numbers *clicked* & stay blue in color and then display over on the right side in the ? circles only allowing each number to be used once photo is attached of my web page
  8. Hello Everyone,I am Shivam and I am new here, one of my friend was suggested to me ask your query here. I hope so this is the right way to ask my query. I want to learn java programming and how to become proficient in java coding. I am doing daily practice to deploy a code but currently learning the basic oops concept of online resources. Can anyone suggest me a better and best way to proficient in java programming?
  9. Is it possible to use a formatting (escape) sequence in the Java printf statement to remove specific characters from the string argument? For example, if I have a string like, "[0, 1]", is there a formatting string I can use to remove the left and right bracket characters ([])? Is there a "regular expression" for the Java printf statement that will filter out those characters?
  10. When trying to do what the tutorial says in the beginning I come across a problem. The tutorial says the return must be "Hello world", however when you follow the instructions the execute window will close without displaying anything. Perhaps this is something with windows, anyways the tutorial doesn't work because of it as you can't read the output.
  11. hello, 1 month ago i started to learn java from udemy and w3schools. actually im a russian language student at university. all i want is learn java for a basic app. i dont wanna be prof. medium degrees enough for me. but problem is, i know nothing about this world and what it could be. my question is where am i. i can answer all the questions at 3school's website java tutorial test questions. but i cant see from here "what is my level" "can i call myself as a rookie level" "with these knowlegde, can i make an basic education app" "are these questions enough for the basic level" help me guys
  12. Hi, I am building a website in wordpress! Even though im very new to coding HTML, CSS and Java, i am trying! My problem is that i want to make a slideshow based for ads, so every picture need a individual link! Can anyone tell me how thats done? Thank you
  13. Hello Everyone, I'm a beginner in CSS, HTML and Java Script/jQuery. I actually do not code, but i found a solutiuon for my problem with a simple CSS animation. I did not know, that the @keyframes animation still has some difficult stuff. I know they are hardcoded, but i need the help of jquery for dynamic change of the keyframes-selector. I have searched several threads for my problem. Some do sound similar to my, but i just can not apply it into my code, it does not work. I am trying to code dynamic keyframes with jquery. I got the following code below in a code snippet. It doe
  14. Hello, this post will contains some suggestions which have no link between them. -Firstly, i think it could be great to have something which allows us to follow news from w3schools "easily, something like a page where we could see the last update in a single line. example : 02/03/2018 Update "How to" section 01/30/2018 Add php tutorial (server side) In fact, the website become "big", then it could be an asset. -Secondly, i see more and more websites which have a functionnality to switch the theme (to a night theme) by clicking on o
  15. Hi everyone, I am still learning Java. I am trying to create an array with images. I have images in folder, but I can't figure how to start to have images in array. How can I do that? I checked around in google, none of them make sense, more likely off topic to image icon. I need to tell java to pull all images from folder into array, so i can process programming. can you please show how to do that? Thank you so much. Gary
  16. Hello people Can You help me with an Jave script ( it is unreadable and I think its also compiled or something like that ) I have try'd to look at it with an DeCompiler but it keeps unreadable It is used for calculations in another part of de system ( XML scripts ) The system (soft- and hard-ware) is made by an company that is not able to get service of this product. Because of problems with the system I'm trying to figure out how the software works. But this script is the part that is not possible to see what is going on in it. Filename = Calculations.js
  17. Hello everyone I want to make a login page and I want to connect it with loptop or mobile fingerprint scanner and people can login with their fingerprint. Can anyone help me what should I do?
  18. hi, I hv a problem. i want make such a web app such as if I Click button in my website then as result button1 in website1 and button2 in website2 will be clicked at the same time. any1 plz help. suggest something
  19. Hi everyone, this is my second thread, I hope you can help me why do and while won't do loop as I put them in... public class GameGuess extends Thread { int a; public void Send(int a) { this.a = a; } do { int p1 = (int) ((Math.random() + 5) * 10); int p2 = (int) ((Math.random() + 5) * 10); System.out.print("Player 1: " + p1); System.out.print("Player 2: " + p2); if (p1 != a) { System.out.print("Player 1 get wrong guess."); } else if (p1 == a) { System.out.print("The Player
  20. Hi everyone, I am beginner ti learn Java, I am trying to stop the repeat number in array, but it won't work. Anyone who have idea? it will be appericate...here my code to create random number that between 50 to 60, then put in 10 array, but few number are repeated... int [] myArray = {0,1,2,3,4,5,6,7,8,9}; int pop = 0; for (int i = 0; i < myArray.length; i++0 { pop = (int) ((Math.random() + 5) *10); for (int j = 0; j < myArray.length; j++) { if (pop != MyArray[j]) { myArray[j] = pop; }
  21. hi , im try to do the java web to connect with managed bean and connect to the javaDB (entity) class i trying to insert the record in the database but ....fail.... public void createUser(){ Booking book = new Booking(); book.setLessonno(this.l_id); book.setCustomername(strName); book.setCustomerphone(strPhone); try { utx.begin(); em.persist(book); utx.commit(); } catch (Exception e) { throw new RuntimeException(e); } } this come out a error .... java.lang.UnsupportedOpera
  22. Hi everyone, I am trying to find source or tutorial how to create the random. I will like to learn how to create the random in poker card, but i need to make sure it must show the display that card is used. For example, I click on back of card to draw card, then show number or royal on card, then click it, moved to left-top or right-top to keep tracking those random poker card...do you have any idea? those card can't be repeated. Thank you so much
  23. http://craft.minestatus.co MineStatus - Minecraft Servers MineStatus is a brand new modern minecraft server list. Personal Server Analytics Votifier Voting Sharing Profiles Comments Blogs I have recently created my second site. Tell me what you think.
  24. function changeBtn(btn) { if (! btn.style) { alert("Big no for you and dont ask y, just cant do it D:"); return; } btn.style.background = "#00FF00"; btn.style.color = "black"; return; } <input type="button" id="btn1" value="glowwwww!!!" onclick="changeBtn(this)"></td> so i found this code on the internet, and it is very useful... sadly.... every time i refresh the page the button will go back to default color... how can i make it stay green even tho i refresh the page??? thankyou
  25. Hello friends, im using following code to insert data in database using dynamic text box. its work excellent but now i want to submit data in database without refresh page.kindly advise what and where i change my code.plz help. thanks in advance output.php<?phpinclude('connection.php');include('links.php'); if(isset($_POST['save'])){ $conn = mysql_connect("localhost","root","");mysql_select_db("esol",$conn); $itemCount = count($_POST["item_name"]);$itemValues=0; $query = "INSERT INTO invoice (name,description,quantity) VALUES ";$queryValue = "";for($i=0;$i<$itemCount;$i++) { if(!e
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