[Solved] Printing contents of a vector [duplicate]

[ad_1] As you mentioned “I did not understand what the code is doing”, let me briefly describe how to iterate through a container: The long way: vector<int> result = { 1,2,3 }; for (vector<int>::iterator it = result.begin(); it != result.end() ; it++) { int i = *it; cout << i << ” “; } Each … Read more

[Solved] Method Illuminate\Database\Eloquent\Collection::__toString() must return a string value [closed]

[ad_1] {{ }} is for echo in php First check output as <?php print_r($students); ?> Or @php print_r($students); @endphp And echo output as, for first row value {{ $students[0]->name }} And to print all student name in loop like this @forearch($students as $key=>$student) Name : {{$student->name}} @endforearch [ad_2] solved Method Illuminate\Database\Eloquent\Collection::__toString() must return a string … Read more

[Solved] issue with understanding macros in C programming

[ad_1] Macros (#define MACRO …) are processed by the C preprocessor before the actuel compile process takes place. So the compiler only “sees” this once the file has been preprocessed: int main() { // your code goes here int k = 0; scanf(“%d”, &k); switch (k) { case 1: break; case 2: break; case 3: … Read more

[Solved] Strange things happen with bool? [closed]

[ad_1] This type of syntax is called a ternary operator. They are generally used to perform simple expressions, or assign things to ONE variable based on a condition, rather than handle assignment logic with two variables. This is why you can’t have both a = TRUE and b = TRUE in the ternary operator. You … Read more

[Solved] How to Search value from input by mysqli in database

[ad_1] check this code .i think it will help you <html> <head> <meta http-equiv=”Content-Type” content=”text/html; charset=utf-8″> <title>PHP, jQuery search demo</title> <link rel=”stylesheet” type=”text/css” href=”https://stackoverflow.com/questions/42627922/my.css”> <script type=”text/javascript” src=”http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js”></script> <script type=”text/javascript”> $(document).ready(function () { $(“input”).keyup(function () { $(‘#results’).html(”); var searchString = $(“#search_box”).val(); var data=”search_text=” + searchString; if (searchString) { $.ajax({ type: “POST”, url: ‘search.php’, data: data, dataType: … Read more

[Solved] Reset While loop value in PHP

[ad_1] Try use jquery, the below example is for random numbers. <script> var id = window.setInterval(function(){randomNumber();},1000); function randomNumber() { var rand = Math.floor(Math.random()*6); //Do whatever you want with that number $(‘#holder’).html(rand); } </script> <!DOCTYPE html> <html> <head> <script src=”http://code.jquery.com/jquery-1.9.1.min.js”></script> <meta charset=utf-8 /> <title>Random Number</title> </head> <body> <div id=’holder’></div> </body> </html> For random text var names … Read more

[Solved] Reverse first n items of the list and return it

[ad_1] >>> def reverse(n, lst): if n <= 0: return [] return lst[:n][::-1] + lst[n:] >>> reverse(4, [‘f’, ‘o’, ‘o’, ‘t’, ‘b’, ‘a’, ‘l’, ‘l’]) [‘t’, ‘o’, ‘o’, ‘f’, ‘b’, ‘a’, ‘l’, ‘l’] >>> Explanation: if n <= 0:: if n is less than or equal to zero… return []: return an empty list. Otherwise… … Read more

[Solved] Java: Creating an object, specified by a variable

[ad_1] In java, you can do this by using Reflection: Reflection is commonly used by programs which require the ability to examine or modify the runtime behavior of applications running in the Java virtual machine. For example: try { addObject(c.newInstance(),x,y); } catch (InstantiationException | IllegalAccessException e) { e.printStackTrace(); } For more about reflection, you can … Read more