Here’s a modification on @schwobasggl’s answer, using f-strings that works in Python 3.6+ def up_and_down(n): # 1,2, …, n, …, 2, 1 return (*range(1, n), *range(n, 0, -1)) def diamond(n, pad=’#’, fill=”*”): w = (2 * n) – 1 for i in up_and_down(n): # you can also use the below, but it’s slightly less performant: … Read more
If you know the array is sorted and want to get the last item in the array, you can use the length property to calculate the index of the last item e.g. const latest = data[data.length -1]; 3 solved how i can grab the latest json data in javascript? [closed]
Code input_f = input(“Enter the file name to read from: “) output_f = input(“Enter the file name to write to… “) fw = open(output_f, “w”) with open(input_f) as fo: for w in fo: for c in w: if c.isalpha(): fw.write(c.lower()) if c.isspace(): fw.write(‘\n’) fo.close() fw.close() input.txt HELLO 12345 WORLD 67890 UTRECHT 030 dafsf434ffewr354tfffff44344fsfsd89087uefwerwe output.txt hello … Read more
Try to refactor the common code into a private method: void method(){ common(); } void method(String s){ common(); //code 2 } private void common() { // code 1 } solved Calling an overloaded method
Check the exit condition of your for loop: for (int i= 0; i> num_proyect_act; i++) { // … } 2 solved arrayindexoutofbounds exception processing [closed]
You can use forward declaration of your class second and use a pointer. Only the implementation must know the declaration of your class Second. namespace A { class Second; // Forward declaration class First { public: First(); ~First(); private: Second* s; // Pointer on a forward class }; class Second { private: First f; }; … Read more
I don’t word with data tables, but this is a solution that would work for data frames, and should hopefully generalize. The strategy is to use the fact that you can fill one vector with another vector, without ever having to use a loop. # make the example data sets D1 <- as.data.frame(matrix(data=(1:(20*181)), nrow=20, ncol=181)) … Read more
when scrollView is drag you can set setUserInteractionEnabled = NO ,when end drag you can set setUserInteractionEnabled = yes solved Disabling touch events when scrolling in iOS
$(“#txtfname”).focus(function () { //Check if value is blank or not if ($(“#txtfname”).val() === “” && $(“#txtfname”).val().length >= 2) { $(“#fnamemsg”).hide(); // Hide message } }); var element = document.getElementById(‘txtfname’); element.focus(); element.onblur = function () { if (element.value !== “” && element.value.length < 2) { $(“#fnamemsg”).show(); $(“#fnamemsg”).html(“* Firstname required 2 character”); setTimeout(function () { element.focus(); }, … Read more
Well I was able to figure this out after a couple of days at it. This issue here is that Regex is that it will match a string as a whole, so if I wanted the exclude a character from a match I could do so by using Regex to drop either the first or … Read more