for-loop

问题 I have just started learning javascript, and I've hit a bit of a roadblock whilst designing the logic behind a 10 pin bowling scorecard. I would be really grateful if someone could help me figure out how, instead of my messy code below for the totalScore function, I could use a for loop that will add all of the values together. The code that I have so far is as follows. Thank you in advance! function Game() { this.scorecard = [] }; Game.prototype.add = function(frame) { this.scorecard.push

问题 So I know there have been questions on this before, but none seem to explicitly solve the problems I'm having. Effectively what I'm trying to do is create a new workbook, copy and paste data into it, and then save that new workbook under a new filename. No matter what I do, I seem to get various types of error messages. Here is my code. Any help is very appreciated! Private Sub DoStuff() CurrentFile = "June_Files_macros_new.xlsm" NewFile = "Train10_June01.xls" Workbooks.Add 'Save New Workbook

问题 there is a project for Windows application that I'm still working on and is about a set of card deck. The application utilizes 52 cards which consist of 4 suits and 13 face values such as 2 of Clubs, Jack of Hearts, and so forth. The part that I'm working is that I also have to use five pictureboxes to display each random card so I click on a "Deal" button. I'm aware that I would have to use a "Random" keyword along with using a for-loop to do the shuffle. Therefore, I'm not too sure how

问题 there is a project for Windows application that I'm still working on and is about a set of card deck. The application utilizes 52 cards which consist of 4 suits and 13 face values such as 2 of Clubs, Jack of Hearts, and so forth. The part that I'm working is that I also have to use five pictureboxes to display each random card so I click on a "Deal" button. I'm aware that I would have to use a "Random" keyword along with using a for-loop to do the shuffle. Therefore, I'm not too sure how

问题 I have data that was given as a list of dictionaries. The values of the dictionaries are list of int values of varying lengths. [{'values': [876.0]}, {'values': [823.0]}, {'values': [828.0]}, {'values': [838.0]}, {'values': [779.0]}, {'values': [804.0, 805.0, 738.0]}, {'values': [756.0]}, {'values': [772.0]}, {'values': [802.0]}, {'values': [812.0]}, {'values': [746.0]}, {'values': [772.0]}, {'values': [834.0, 844.0]}, I would like to get all dict values into one list (named rr_intervals in

问题 I am attempting to use multiple arrays to pass multiple server names, and maybe other elements, that maybe be needed in conjunction to each other to a function's set of Parameters in a Powershell function. While using a single loop, if that is even possible. I wanted to script this process so you could pass an array via a parameter as a larger function to the 2nd function but use arrays. Instead of nested Hashtable. This is similar to what i was attempting to do but I cant seem to get the

问题 I'm currently trying to plot a map of Africa using the different countries and plotting them together. I use the following code to download and plot a single country, which works perfect: CMR <- getData('GADM', country='CMR', level=0) plot(CMR) I wanted to do this now for all the different countries in Africa. So I've made a charactervector (charafr) containing all these GADM codes and now I want to try to save them all to a seperate vector using a for loop. I'm a bit puzzled on how to assign

问题 I want to create a monthly package that executes a daily query at ODBC and writes an output file. More specifically the query must be first executed for the first day of the previous month (e.g. '01/11/2018') then the next one ('02/11/2018') until the last day of the previous month ('30/11/2018') . The date variables are currently saved as Strings and I also want to have a string variable with Oracle date format to be inserted into the query. How should it be organised? Is there a way that I

问题 I want to create a monthly package that executes a daily query at ODBC and writes an output file. More specifically the query must be first executed for the first day of the previous month (e.g. '01/11/2018') then the next one ('02/11/2018') until the last day of the previous month ('30/11/2018') . The date variables are currently saved as Strings and I also want to have a string variable with Oracle date format to be inserted into the query. How should it be organised? Is there a way that I

问题 I have seen that since ECMA 6 we can use for...of instead of the traditionnal for loop: for( let i = 0 ; i < arr.length ; i++ ) { var elm = arr[i]; // do stuff } VS for( let elm of arr ) { // do stuff } Has you see the second one is lot more readable, simple and maintainable! I just wonder how performant the second syntax is as I need to use it a lot in a render loop (60 times per seconds) for a game. Have you got a clue ? 回答1: The first one (the standard for-loop) performs much better