overwrite

问题 I have a package data with some of its fields as following: packageid-->string status--->string status_type--->string scans--->record(repeated) scanid--->string status--->string scannedby--->string Per day, I have a data of 100 000 packages. Total package data size per day becomes 100 MB(approx) and for 1 month it becomes 3GB. For each package, 3-4 updates can come. So do I have to overwrite the package table, every time a package update (e.g. just a change in status field) comes? Suppose I

问题 All I am trying to do is copy, paste a cell range into a new CSV file and save the new file with VBA. I will might use this VBA for this file many times. So, I would like to make it save the files with a number. I am using the code below and it is working: Sub ExportRangetoFile() Dim Rng As Range Dim WorkRng As Range Dim xFile As Variant Dim xFileString As String On Error Resume Next xTitleId = "KutoolsforExcel" Set WorkRng = Application.Selection Set WorkRng = Application.InputBox("Range",

问题 I want to make a website where there is a button, and when you click it make it change some text (saying either true/false). The text must change when the user clicks the button, but not just for the one user, for every user that's on the site. The way I'm trying to do it is I have a text file, and so far all I've got is some text on the page that every 500 milliseconds is refreshing to display whatever is in the text file. So now all I need to do is update the text file when the button is

问题 This question already has answers here : Subclassing Javascript Arrays. TypeError: Array.prototype.toString is not generic (6 answers) Closed 3 years ago . I'm trying to create an Object/Class in Javascript that behaves like an Array but with some added functionalities. I've achieved this with these simple lines: var Newclass = Array Newclass.prototype.get_by_id = function(){} However, I'm trying to perform some actions just when I call this new class, so elements I'm adding to this are

问题 I am using Ruby on Rails 4 and I have overwritten some default accessor method this way: class Article < ActiveRecord::Base def title self.get_title end def content self.get_content end end self.get_title and self.get_content methods return some computed value and look like the following (note: has_one_association is a :has_one ActiveRecord::Association ) def get_title self.has_one_association.title.presence || read_attribute(:title) end def get_content self.has_one_association.content

问题 I am using Ruby on Rails 4 and I have overwritten some default accessor method this way: class Article < ActiveRecord::Base def title self.get_title end def content self.get_content end end self.get_title and self.get_content methods return some computed value and look like the following (note: has_one_association is a :has_one ActiveRecord::Association ) def get_title self.has_one_association.title.presence || read_attribute(:title) end def get_content self.has_one_association.content

问题 I have a file with x,y,z values. I wish to find an elegant way to open and add a new value id to each line and save again the same file. def get_point_grid_id(x,y,x_min,y_max,x_dist,y_dist): col = int((x - x_min)/x_dist) row = int((y_max - y)/y_dist) return (row, col) ex 1 1 10 2 2 10 3 3 10 the id will be get_point_grid_id(1,1,0,10,1,1) (9, 1) get_point_grid_id(2,2,0,10,1,1) (8, 2) get_point_grid_id(3,3,0,10,1,1) (7, 3) the new file will be 1 1 10 (9, 1) 2 2 10 (8, 2) 3 3 10 (7, 3) i am

问题 I started looking at robocopy yesterday to try to copy and overwrite a file from one destination to many remote computers. I've tried Robocopy to copy files to a remote machine but it doesn't work. I get the same error as the person in the link. Does anybody have any suggestions or lead me in the right way ? thank you so much ! 回答1: You could just use PowerShell for this. It has an inefficiency issue wherein it would copy one at a time but that shouldnt be an issue for 50ish machines. This

问题 I have this simple situation, I have an style with no defined display property value, I recently added bootstrap to my project with no major problems, just one. In label bootstrap style is defined a display: inline-block; what I don't need and is causing some troubleshooting on my page. So simply I overwrite it, but it seems It's getting the bootstrap value. !important is not working also. As you can see in the image below: Even, It's marked as overwritten on Developer Tools. I also tested

问题 I need some help is some unique solution. I have a text file in which I have to replace some value based on some position. This is not a big file and will always contain 5 lines with fixed number of length in all the lines at any given time. But I have to specficaly replace soem text in some position only. Further, i can also put in some text in required position and replace that text with required value every time. I am not sure how to implement this solution. I have given the example below.