Exact Time Measurement for Performance Testing

This post shows how to exactly measure performance for some code to execute. This is quite useful while doing performance testing. Here’s how it can be done. C-Sharp Stopwatch sw = new Stopwatch(); sw.Start(); // … sw.Stop(); Console.WriteLine(“Elapsed={0}”,sw.Elapsed); Javascript var t0 = performance.now(); doSomething(); var t1 = performance.now(); console.log(“Call to doSomething took ” + (t1 […]

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How to Copy to Clipboard in Javascript

This post shows how to copy to clipboard in javascript. Manual Method Automatic copying to clipboard may be dangerous, therefore most browsers (except IE) make it very difficult. You could use the following function to for copy to clipboard functionality. function copyToClipboard(text) { window.prompt(“Copy to clipboard: Ctrl+C, Enter”, text); } The user is presented with […]

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How to Fix No Transport Error with jQuery Ajax call in IE

If you are using cross domain Ajax requests in javascript then it may not run properly on IE 7, 8 or 9. For eg. let the ajax call be similar to this. $.ajax({ type: “POST”, url: ‘https://api.foursquare.com/v2/venues/search’, contentType: “application/json”, data: JSON.stringify(json), crossDomain: true, success: function (respData, status, xhr) { // success }, error: function (xhr, […]

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PHP Function that Returns the Date for a Specific Day Between Two Given Dates

Here’s a PHP function that returns the date for a specific day between two given dates. The function takes two dates formatted as YYYY-MM-DD and creates an inclusive array of the dates between the from and to dates. function getDateForSpecificDayBetweenDates($startDate, $endDate, $weekdayNumber) { $startDate = strtotime($startDate); $endDate = strtotime($endDate); $dateArr = array(); do { if(date(“w”, […]

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How to Create Triggers in phpMyAdmin

In this tutorial I will show you how to create MySQL triggers in phpMyAdmin. Creating Triggers in MySQL In order to create a trigger in MySQL we can follow the recommendations that we can found in http://dev.mysql.com/doc/refman/5.5/en/create-trigger.html. There, they explain us perfectly how we should create our trigger and they even provide some examples. Here’s […]

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