Kirat[ad_1] Here is an option with data.table_1.9.5. Create the “data.table” from “data.frame” using setDT, remove the NA values in “dialled” column (!is.na(dialled)), generate grouping variable by using rleid on “Dialled_nbr”, get the row index of the first and last rows for the levels of grouping variable (.I(c(1L, .N)]), finally subset the “dt1” based on the … Read more
[ad_1] Answer for updated question: How do I retrieve the actual “select#mysel” from the var mysel? example of how this might be used? var mysel = $(“select#mysel”); var myopt = $(mysel.actualstringselection + ” option”); So basically, you want the original selector string that you passed into $() in order to get mysel. You can’t get … Read more
[ad_1] A simple example like this would do the job : $mydatetime = new DateTime(); $datefromdb = new DateTime(‘2018-03-05 10:10:00’); $interval = $mydatetime->diff($datefromdb); $date_count = $interval->format(‘%y years %m months %a days %h hours %i minutes %s seconds’); echo $date_count; This is your code it should work $fecha = $row[“fecha”]; $data= $row[“hora”]; $start = strtotime(“$fecha $data”); … Read more
[ad_1] Try this: A=imread(‘your image’); imshow(A); impixelinfo; [c, r, vals] = impixel; c and r are arrays of all the columns and rows of the part of the image that user clicked on and vals are the RGB values of each point. 2 [ad_2] solved how to extract data from image by user [closed]
[ad_1] What does this code do? How would have you named such a function? I would have named it so /// <summary> /// Convert an Int32 value into its binary string representation. /// </summary> /// <param name=”value”>The Int32 to convert.</param> /// <returns>The binary string representation for an Int32 value.</returns> public String ConvertInt32ToBinaryString(Int32 value) { String … Read more
[ad_1] I think it’s much better if you use classes for this purpose. Please, try this solution: <style> .img { max-width: 100%; max-height: 100%; width: auto; height: auto; } .changesize { max-width: 40%; max-height: 40%; } </style> <div id=”win” class=”img”>xyz</div> <script> document.getElementById(“win”).className = “changesize”; </script> Hope it helps. [ad_2] solved Change DIV Image Style with … Read more
[ad_1] java.lang.SecurityException: Permission denied (missing INTERNET permission?) You need the INTERNET permission declared in your manifest: <uses-permission android:name=”android.permission.INTERNET” /> 1 [ad_2] solved Android – Json Parsing – App Crashes [closed]
[ad_1] You could download the exact page you’re after using file_get_contents $web = file_get_contents(“http://google.com”) You’d then have to strip out whatever it is you want from the rest of the source code on the website. That can be done by using strpos or stripos (ipos being case insensitive) to find its location, and then using … Read more
[ad_1] Try this one it will work for you. $array= Array( 0 => ’05_00pm_07_00pm|15_04_2016′,1 => ’03_00pm_05_00pm|15_04_2016′,2 => ’07_00pm_09_00pm|15_04_2016′,3 => ’03_00pm_05_00pm|14_04_2016′, 4 => ’01_00pm_03_00pm|14_04_2016′,5 => ’01_00pm_03_00pm|15_04_2016′,6 => ’01_00pm_03_00pm|15_04_2016′,7 => ’01_00pm_03_00pm|15_04_2016′, 8 => ’01_00pm_03_00pm|15_04_2016′,9 => ’01_00pm_03_00pm|15_04_2016′,10 => ’01_00pm_03_00pm|15_04_2016′,11 => ’01_00pm_03_00pm|15_04_2016′, 12 => ’01_00pm_03_00pm|15_04_2016′,13 => ’07_00pm_09_00pm|14_04_2016′,14 => ’07_00pm_09_00pm|16_04_2016′,15 => ’01_00pm_03_00pm|14_04_2016′, 16 => ’07_00pm_09_00pm|13_04_2016′ ); foreach($array as $key=>$row) { … Read more
[ad_1] Your final code should be identical to: <?php $con = mysqli_connect(“localhost”, “root”, “”, “radian”); if (!$con) { exit(“Couldn’t connect: ” . mysqli_connect_error()); } mysqli_set_charset($con, “utf8”); $insert_data = “UPDATE enquiries SET ResponseDate=”” . $current_date . “”, Response=”” . $txtResponse . “”,Enquiry_No = ‘” . $_SESSION[‘ses_staff’] . “‘ WHERE Enquiry_No = ‘” . $txtStudentId . “‘”; … Read more
[ad_1] Disclaimer: This answer focuses on the practical aspects of dealing with the fact that there are problems for which no polynomial-time algorithm is known. To give an answer that is precise from a theoretical point of view, the terminology used in the question is not clear enough. There are two meanings of NP in … Read more
[ad_1] You shouldn’t use the Amazon API directly from your app, because in that case you would need to distribute your AWS access key & secret with the app. (I’ll let you figure out why this would be bad thing) You need a backend for your app, from where you’d send work items to the … Read more
[ad_1] What you are asking for is a SAT algorithm and it has an exponential complexity, therefore unless you have some extra constraints you must do an exhaustive check (brute force as you said). You may be interested in the function itertools.combinations(iterable, combinations_length) to sum all possible combinations. also you can represent your elements like … Read more
[ad_1] Console.Write(“Enter the amount deposited: “); double principle = 0; principle = double.Parse(Console.ReadLine()); Console.Write(“Enter number of years: “); int years = 0; years = int.Parse(Console.ReadLine()); Console.Write(“Enter the interest rate as a percentage of 1.0: “); double interest; interest = double.Parse(Console.ReadLine()); double balance = 0; Console.WriteLine(“Years \t Balance”, years); for (int i = 0; i < … Read more
[ad_1] I was approaching the problem from the wrong angle, on my example above the first if statement returned TRUE on certain criteria. On the second if statement the middle part (the first else if) returned TRUE on certain criteria. I could not work out while the 3rd if statement was not working as expect … Read more