Month: January 2023

[Solved] Rails: Remove Curly Braces in Array [closed]

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@temp = SalesOrder.where(“status > ?”, 0).ids items = SalesOrderItem.where(sales_order_id: @temp).where.not(product_id: nil) total = items.to_a.group_by(&:product_id).each_with_object({}) do |(product_id, quantity), total| total[Product.find(product_id.to_i).name] = quantity.map(&:quantity).map(&:to_f).sum end @top_five = total.sort_by { |k, v| v }.reverse! Check this. It should work. If any errors, ping me, I will update it PS: your code is not optimized at all. All of this … Read more

[Solved] Printing contents of a vector [duplicate]

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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 container … Read more

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

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

[Solved] issue with understanding macros in C programming

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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: break; … Read more

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

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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 should … Read more

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

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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: ‘text’, … Read more

[Solved] Reset While loop value in PHP

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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