Month: October 2022

[Solved] How to serialize and deserialize a C# array of integers? [closed]

by

[ad_1] Assuming your array is an array of Int32… using (var stream = File.Create(“file.xml”)) { var serializer = new XmlSerializer(typeof(Int32[])); serializer.Serialize(stream, someArrayOfInt32); } Will create a simple XML file that is very easy to understand/modify. To deserialize it, use the Deserialize method. In JSON format : using System; using System.Collections.Generic; using System.Linq; using System.Web; using … Read more

[Solved] split html text by some special tags [closed]

by

[ad_1] Try split join: “some text <br />”.split(“<br />”).join(“”); if you have variable tags you may should try something like this: var tagString = “someText<div class=”someClass”><b><h1>someText<h1><br /></b></div>”; var noTagString = “”; var lastIndex = 0; var dontRemove = [“<b>”, “</b>”]; // iterate over the tagged text for(var i = 0; i < tagString.length; i++){ // … Read more

[Solved] Efficient dynamic addition of rows in dataframe and dynamic calculation in R

by

[ad_1] Here is the complete solution: The usage of the last command of linear interpolation solves the issue > Lines <- “D1,Value + 1,20/11/2014 16:00,0.00 + 2,20/11/2014 17:00,0.01 + 3,20/11/2014 19:00,0.05 + 4,20/11/2014 22:00,0.20 + 5,20/11/2014 23:00,0.03” > ts1 <- read.csv(text = Lines, as.is = TRUE) > library(zoo) > z <- read.zoo(ts1, tz = “”, … Read more

[Solved] Simple android Push Notification

by

[ad_1] You need a notification service, and google has something like that for us… how does this works?? Take a look at the image below, you need to register your android app in the google service, and your web interface will need an id, so everytime you want to push something to the android, your … Read more

[Solved] Python Logical Operators

by

[ad_1] The operator and returns the last element if no element is False (or an equivalent value, such as 0). For example, >>> 1 and 4 4 # Given that 4 is the last element >>> False and 4 False # Given that there is a False element >>> 1 and 2 and 3 3 … Read more

[Solved] Recursion When to use it? [closed]

by

[ad_1] Recursion is the foundation of computation, every possible program can be expressed as a recursive function (in the lambda calculus). Hence, understanding recursion gives you a deeper understanding of the principles of computation. Second, recursion is also a tool for understanding on the meta level: Lots of proofs over the natural numbers follow a … Read more

[Solved] How to use a CMD command in c++?

by

[ad_1] “what should i do?” You simply do this (using the std::system() function): #include <cstdlib> // … if(i == 1) { std::system(“ROBOCOPY D:/folder1 D:/folder2 /S /E”); } else if(i == 2) { std::system(“ROBOCOPY D:/folder3 D:/folder4 /S /E”); } Note that for string literals like “D:\folder3”, you’ll need to escape ‘\’ characters, with another ‘\’: “D:\\folder3”. … Read more

[Solved] Python Object Comparisons

by

[ad_1] What Im not sure about is what methods I need to use to compare the vectors. I tried googling it but couldn’t find anything. Does python have some methods to override < > <= and so on? Yes, Python has magic methods which are exactly for this purpose. You’re already using magic methods, such … Read more