[Solved] printing int in c by %s in printf

You are using wrong specifier for int data type. Its undefined behavior. Any thing could happen. Undefined Behavior: Anything at all can happen; the Standard imposes no requirements. The program may fail to compile, or it may execute incorrectly (either crashing or silently generating incorrect results), or it may fortuitously do exactly what the programmer … Read more

[Solved] Substring a string from both end in java [duplicate]

You could parse XML or use regex. To keep things simple, I would suggest regex. Here is how you can use it: Pattern pattern = Pattern.compile(“<span id=\”artist\”>(.*?)<\\/span><span id=\”titl\”>(.*?)<\\/span>”); Matcher m = pattern.matcher(input); if (m.find() { MatchResult result = m.toMatchResult(); String artist = result.group(1); String title = result.group(3); } Where input is the XML you have. … Read more

[Solved] How to write a toString() method that should return complex number in the form a+bi as a string? [closed]

You can override toString() to get the desired description of the instances/classes. Code: class ComplexNum { int a,b; ComplexNum(int a , int b) { this.a = a; this.b = b; } @Override public String toString() { return a + “+” + b + “i”; } public static void main(String[] args) { ComplexNum c = new … Read more

[Solved] How do I pass an object 2d array (x,y) position into an int

I think this will do it. Also, Object[][] isn’t right. private String[][] singleplay = {{“#”,”Name”,”Score”},{“1″,”———-“,”10”},{“2″,”———-“,”20”}}; /** * Returns the score. * * @param id * The index of the entry in the array table. * * @throws ArrayIndexOutOfBoundsException * When the destination relative position is out of bounds. * * @return The score, 0 if … Read more

[Solved] Parse string and swap substrings [closed]

The simplest solution is to use google (First link) here. Also be aware that in C++ we prefer std::string over const char *. Do not write your own std::string, use the built-in one. Your code seems to be more C than C++! solved Parse string and swap substrings [closed]

[Solved] Java – Convert a string of multiple characters to just a string of numbers

Solution: String s = “(1,2)-(45,87)”; String[] splitted = s.replaceFirst(“\\D+”, “”).split(“\\D+”); // Outputs: [1, 2, 45, 87] Explanation: \\D++ – means one or more non-digit characters s.replaceFirst(“\\D+”, “”) – this is needed to avoid storing empty String at the first index of splitted array (if there is a “delimited” at the first index of input String, … Read more

[Solved] c# Cut String at Capital Letter

Dictionary<string, double> Chemicals = new Dictionary<string, double>() { { “H”, 1.00794 }, { “He”, 4.002602 }, { “Li”, 6.941 }, { “Be”, 9.012182 } }; List<string> Properties = new List<string>(); Regex reg = new Regex(“[A-Z]{1}[a-z0-9]*”); Properties = reg.Matches(txtInput.Text).Cast<Match>().Select(m => m.Value).ToList(); double Total = 0; foreach (var Property in Properties) { var result = Regex.Match(Property, @”\d+$”).Value; … Read more

[Solved] How to split a string by a specific character? [duplicate]

var myString = “0001-102525”; var splitString = myString.Split(“-“); Then access either like so: splitString[0] and splitString[1] Don’t forget to check the count/length if you are splitting user inputted strings as they may not have entered the ‘-‘ which would cause an OutOfRangeException. solved How to split a string by a specific character? [duplicate]

[Solved] Clarification needed regarding immutability of strings in Python [closed]

In CPython, ids relate to where in memory the string is stored. It does not indicate anything about mutability. How memory is used exactly is an internal implementation detail. You could of course do a deep dive into the internals of CPython’s memory management to disentangle that in-depth, but that’s not really useful. (Im)mutability can … Read more

[Solved] Why echo dont show my string?

A function cannot be public unless it is part of a class. Remove that keyword and it works. Although I shall add that your code is a bit confusing. You will either want to have a function that prints something or a function that returns something and is assigned to a variable. You’re doing a … Read more

[Solved] Searching Duplicate String Complexity

You are making your code way too complicated, use a HashSet<String>, which will guarantee uniqueness and will return whether the element was already in the set. public class DuplicateEle { public static void main(String args[]) { Set<String> seen = new HashSet<>(); String[] arr = { “hello”, “hi”, “hello”, “howru” }; for (String word : arr) … Read more