Month: November 2022

[Solved] How to read two matrices from a txt file in java

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[ad_1] You have to: read first line split it to get dimensions read next lines (regards dimensions) read special char (@) repeat Reading first array you have there: static void readFile() throws IOException { BufferedReader reader; reader = new BufferedReader(new FileReader(“file.txt”)); String firstDimension = reader.readLine(); String[] split = firstDimension.split(” “); int firstX = Integer.parseInt(split[0]); int … Read more

[Solved] can you explain me to how functions operate [closed]

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[ad_1] Although this is blatantly duplicate, here you go. def function1(): # declares function 2 as printing hello print(“hello”) def function2(): # declares function 2 as printing bye print(“bye”) def function3(): # declares function 3 as returning “Hi again”, which is printed upon it being called. return “Hi again” function1() # will print hello function2() … Read more

[Solved] How to regex Zapier and get output?

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[ad_1] David here, from the Zapier Platform team. I’m glad you’re showing interest in the code step. Assuming your assumptions (32 characters exactly) is always going to be true, this should be fairly straightforward. First off, the regex. We want to look for a character that’s a letter, number, or punctuation. Luckily, javascript’s \w is … Read more

[Solved] Um, Hi I’m a Beginner and don’t know how to speed my code up. My homework is to write a program for CCC ’20 S2 – Escape Room faster than two seconds

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[ad_1] Take a look at this. I have tried grids 10×10 – solved in cca 3-4ms (including input), which is far below 2s. class Escape_Room { static boolean method(Map<Integer, Set<Integer>> transitionMap, int size, int start) { Set<Integer> closed = new HashSet<Integer>(size); Queue<Integer> q = new LinkedList<>(); q.add(start); int key; while(!q.isEmpty()) { key = q.poll(); if(closed.contains(key)) … Read more

[Solved] The JavaScript cannot be opened if I click the button [closed]

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[ad_1] it’s sample on w3schools You can try it. <!DOCTYPE html> <html> <body> <p>This example uses the HTML DOM to assign an “onclick” event to a p element.</p> <p id=”demo”>Click me.</p> <script> document.getElementById(“demo”).onclick = myFunction(); function myFunction() { //your codes here Zean document.getElementById(“demo”).innerHTML = “YOU CLICKED ME!”; } </script> </body> </html> [ad_2] solved The JavaScript … Read more

[Solved] C# code allow fun syntax, and also void method can allowed return

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[ad_1] The method builds because it’s perfectly valid C#. Those are labels. They are part of the goto construct that C# inherited from C / C++ that allows execution to jump to a specific point within the method. It’s use is generally discouraged. From 8.4 Labeled statements A labeled-statement permits a statement to be prefixed … Read more

[Solved] Want to Take User Inputs in Pyrogram

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[ad_1] A conversation-like feature is not available yet in Pyrogram. One way to do that is saving states into a dictionary using user IDs as keys. Check the dictionary before taking actions so that you know in which step your users are and update it once they successfully go past one action. https://t.me/pyrogramchat/213488 [ad_2] solved … Read more

[Solved] How to create a new object from existing entries?

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[ad_1] An approach should consider breaking the OP’s entire task into two separate ones. Within an intermediate step one firstly does reduce the list of material items into a map of (grouped) material items. The final step does a map–reduce on the values of the intermediate result, where the reduce task is responsible for summing … Read more

[Solved] Deserializing Json string c# [closed]

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[ad_1] your json is not valid. But if you remove an extra braket at the start and the end of a string json = json.Substring(1,json.Length-2); then you can parse it using Newtonsoft.Json; var jsonObject = JObject.Parse(json); int density = (int)jsonObject[“density”]; double[] coordinates = jsonObject[“geometry”][“coordinates”].ToObject<double[]>(); 1 [ad_2] solved Deserializing Json string c# [closed]