Month: September 2022

[Solved] How can I update the voice channel when a user enters the guild with JDA

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To modify an entity in JDA you usually have to use the manager. You can acquire an instance of a manager through getManager() on almost every entity. TextChannel channel = guild.getTextChannelById(573629024102776853L); channel.getManager() .setName(“Total Users:” + guild.getMemberCache().size()) .queue(); // this is needed, otherwise the request won’t be made to discord If the id for the channel … Read more

[Solved] Blatant floating point error in C++ program

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80-bit long double (not sure about its size in MSVS) can store around 18 significant decimal digits without loss of precision. 1300010000000000000144.5700788999 has 32 significant decimal digits and cannot be stored exactly as long double. Read Number of Digits Required For Round-Trip Conversions for more details. 8 solved Blatant floating point error in C++ program

[Solved] Stream filter regex [closed]

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You can use String’s startsWith method for this: List<File> fileListToProcess = Arrays.stream(allFolderPath) .filter(myFile -> myFile.getName().startsWith(“archive_”)) .collect(Collectors.toList()); OR You can use following regex to check if your string starts with archive_: ^(archive_).* like: List<File> fileListToProcess = Arrays.stream(allFolderPath) .filter(myFile -> myFile.getName().matches(“^(archive_).*”)) .collect(Collectors.toList()); solved Stream filter regex [closed]

[Solved] When post request is done in postman it passes all the values as NULL

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It looks like the JSON that you’re sending as your POST payload is not a representation of a Student object. Instead, it’s a representation of an object that contains two members, a Student object named student, and a String named id. { “student”:{ //<– This is a Student object “firstname”: “jay”, “lastname”: “patel”, “studentId”: “2”, … Read more

[Solved] Why do I Have to append the method signature with throws Exception when try block is being used?

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The right way to do this, btw, is to just allow ArithmeticException to end the program if needed. public class Exam { private static void div(int i, int j) throws ArithmeticException { System.out.println(i / j); } public static void main(String[] args) throws Exception { div(5, 0); } } Much cleaner and clearer, and the exception … Read more

[Solved] What does the Bigquery error “Your project exceeded quota for free storage for projects” mean?

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The message is clear — you’re approaching the limits of the free quota, likely because you are working in the bigquery sandbox without a billing account configured. Thus, you are subject to the free tier limits, in particular, 10 GB of active storage and 1TB of processing for queries. Google has a guide for upgrading … Read more

[Solved] c# How to show the total of values in a column in a listview? [closed]

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Hi Mario to get your values in 1 column try this…i used a simple list this will put values in first column List<string> lst = new List<string>(); lst.AddRange(new string[]{“one”,”two”,”three”,”four”}); foreach(var value in lst) { listView1.Items.Add(value); } if you want to put it in any other column try this List<string> lst = new List<string>(); lst.AddRange(new string[] … Read more

[Solved] SQL Replace Command needed [closed]

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This is a very basic update command. I would recommend reviewing this tutorial : http://www.w3schools.com/sql/ I will give you the command for now though : UPDATE shop SET product_price = 3.2 WHERE product_country = ‘USA’; This is assuming product_price is a decimal type and product_country is a varchar or some other type of text based … Read more

[Solved] How to design a table like this

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Use this cord… <table border =”1″> <tr> <td colspan =”5″>Text</td> <tr> <td colspan =”3″></td> <td></td> <td></td> </tr> <tr> <td rowspan =”6″></td> <td>1</td> <td></td> <td></td> <td></td> </tr> <tr> <td>2</td> <td></td> <td></td> <td></td> </tr> <tr> <td>3</td> <td></td> <td></td> <td></td> </tr> <tr> <td>4</td> <td></td> <td></td> <td></td> </tr> <tr> <td>5</td> <td></td> <td></td> <td></td> </tr> <tr> <td>6</td> <td></td> <td></td> <td></td> … Read more

[Solved] How to refacor a code use only loops and simple arrays?

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public class Anagram { public static void main(String[] args) { String text = “!Hello123 “; char[] chars = text.toCharArray(); int left = 0; int right = text.length() – 1; while (left < right) { boolean isLeftLetter = Character.isLetter(chars[left]); boolean isRightLetter = Character.isLetter(chars[right]); if (isLeftLetter && isRightLetter) { swap(chars, left, right); left++; right–; } else { … Read more