[Solved] C++ : Handling input

[ad_1] There is no need to check the value of d in the while condition if you have the break in each valid case: while (true) { cout << “1.Easy\n”; cout << “2.Medium\n”; cout << “3.Hard\n”; cout << “Choose your difficulty:”; cin >> d; if (d == ‘1’) { a.setdifficulty(“Easy”); break; } else if (d … Read more

[Solved] How can I remove dollar signs ‘$’ from a list in Python?

[ad_1] Strip from the left with str.lstrip(): >>> sales = [‘$1.21’, ‘$2.29’, ‘$14.52’, ‘$6.13’, ‘$24.36’, ‘$33.85’, ‘$1.92’] >>> [s.lstrip(“$”) for s in sales] [‘1.21’, ‘2.29’, ‘14.52’, ‘6.13’, ‘24.36’, ‘33.85’, ‘1.92’] 1 [ad_2] solved How can I remove dollar signs ‘$’ from a list in Python?

[Solved] Why does this need auto? [closed]

[ad_1] Because the type isn’t char. The type is char(*)[640][3] and the declaration would be written as char (*data)[640][3] = new char[480][640][3](); 1 [ad_2] solved Why does this need auto? [closed]

[Solved] I want a function to remove numbers higher than 5000 in a string [closed]

[ad_1] PHP < 5.3: preg_replace_callback(‘/\s*\d+\s*/’, create_function(‘$a’, ‘return trim($a[0]) > 5000? ” ” : $a[0];’), $input); PHP >= 5.3 (closure support): preg_replace_callback(‘/\s*\d+\s*/’, function ($a) { return trim($a[0]) > 5000? ” ” : $a[0]; }, $input); [ad_2] solved I want a function to remove numbers higher than 5000 in a string [closed]

[Solved] Create transparent HTML table [closed]

[ad_1] Here is a working snippet. border-spacing removes the spacing between cells tr:first-of-type targets only the first row to apply background color td:nth-child(odd) targets only the first column to make all fields bold table{ border-spacing:0; } tr:first-of-type{ background:lightgray; } td:nth-child(odd){ font-weight:bold; } th,td{ padding:5px; } <table> <tr> <td>Plan / Feature</td> <td>Standard</td> </tr> <tr> <td>Plan Type</td> … Read more

[Solved] “Method must have a return type” [closed]

[ad_1] It means that you’r Send method does not have a return type. Meaning that you don’t return anything in that method. If that method shouldn’t return anything, then just add void as a return type: public void Send(SerialPort serialPort1) { if (serialPort1.IsOpen) { var content = new List<byte>(); content.Add(2); content.AddRange(Encoding.ASCII.GetBytes(CommandText)); content.Add(3); byte[] buffer = … Read more

[Solved] return value from loop

[ad_1] To return a value from a loop, use break value: def my_def(port) @hsh.each do |k, v| break k if v == port end end In general, @Stefan’s comment solves this particular problem better: def my_def port @hsh.key port end [ad_2] solved return value from loop

[Solved] I want to know the count of each item in a list

[ad_1] You can use GroupBy: var voteGroups = Votes.GroupBy(s => s); Now, if you want to know the count of each string use Enumerable.Count: foreach(var voteGroup in voteGroups) Console.WriteLine(“Vote:{0} Count:{1}”, voteGroup.Key, voteGroup.Count()); Another way is using ToLookup: var voteLookup = Votes.ToLookup(s => s); foreach (var voteGroup in voteLookup) Console.WriteLine(“Vote:{0} Count:{1}”, voteGroup.Key, voteGroup.Count()); The lookup has … Read more