[ad_1] Use the HTML Agility Pack, which includes a DOM parser – it is never worth writing your own parser or RegExs for HTML. http://www.nuget.org/packages/HtmlAgilityPack In the example below, you can see how easy it is to select an element using XPATH. Because the values you want aren’t actually in an element, I’m using text() … Read more
[ad_1] In answer to the C++ question for this code at http://codepad.org/cYXEuRuQ #include<iostream.h> int main() { int a=10; a=a++; cout<<a; cout<<“\n”; a=++a; cout<<a; cout<<“\n”; a=(a++); cout<<a; cout<<“\n”; } when compiled prints cc1plus: warnings being treated as errors In function ‘int main()’: Line 5: warning: operation on ‘a’ may be undefined Line 8: warning: operation on … Read more
Introduction [ad_1] Increment operators are a common feature of programming languages, and they are used to increase the value of a variable by one. However, there are times when the increment operator does not work as expected, and this can be a source of confusion and frustration for programmers. In this article, we will discuss … Read more
[ad_1] This compares the pointers, not the contents. You need to use strcmp: if(strcmp(“SRAD”, name) == 0) 1 [ad_2] solved const char* if() comparison with “SRAD” returns false [duplicate]
Introduction [ad_1] This question is related to the comparison of const char* if() with “SRAD” and whether it returns false. The const char* if() comparison is a type of comparison used in C++ programming language. It is used to compare two strings and determine if they are equal or not. In this case, the comparison … Read more
[ad_1] Functions read() and write() and their cousins are used for binary files. Reading a text file would be better using fgets() and analysing the contents of each line, then outputting that line with the extra fields you calculate. Bear in mind that fgets() retains any newline, which has to be removed before appending text … Read more
[ad_1] This had been a bug in usbser.sys and was fixed with the Windows 10 Update KB3124262 from 27.01.2016. The Microsoft employee explained: The COM port name in the HKLM\HARDWARE\DEVICEMAP\SERIALCOMM registry is not NULL terminated. Related discussion on MSDN Because of Windows 10’s update policies this issue should not appear in the future anymore. [ad_2] … Read more
[ad_1] Try this using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Data; namespace ConsoleApplication1 { class Program { static void Main(string[] args) { DataTable dt = new DataTable(); dt.Columns.Add(“unit”, typeof(string)); dt.Columns.Add(“value”, typeof(int)); dt.Columns.Add(“date”, typeof(DateTime)); dt.Rows.Add(new object[] { “A”,2, DateTime.Parse(“01-01-2000”)}); dt.Rows.Add(new object[] { “B”,3, DateTime.Parse(“01-01-2000”)}); dt.Rows.Add(new object[] { “A”,4, DateTime.Parse(“02-01-2000”)}); string[] uniqueUnits = dt.AsEnumerable().Select(x => … Read more
[ad_1] Perhaps something like this: foreach(Panel pnl in Controls.OfType<Panel>()) { foreach(TextBox tb in pnl.Controls.OfType<TextBox>()) { if(string.IsNullOrEmpty(tb.Text.Trim())) { MessageBox.Show(“Text box can’t be empty”); } } } 0 [ad_2] solved Checking if all textboxes in a panel a filled
[ad_1] Some side comments on your code. In this example, you probably want virtual functions. See this modification of your code with some comments : #include <iostream> class Animal { public: virtual ~Animal() {} // Always define virtual destructor in this case virtual void breathe() const // This fonction doesn’t modify the object { // … Read more
[ad_1] Your line system(“cd /usr/home/game2/channel” + i + atoi(“/core”) + c + atoi(“/ && rm -R syslog && rm -R syserr”)); should be like this const auto path = “/usr/home/game2/channel” + std::to_string(i) + “/core” + std::to_string(c); const auto cmd1 = “rm -R ” + path + “/syslog”; const auto cmd2 = “rm -R ” + … Read more
[ad_1] To know how all these three code blocks works, you got to start reading good C book specially array and pointers concept. Case 1 :- In the below code block int main(void) { char x[] = “gate2011”; char *ptr = x; printf (“%s”, ptr+ptr[3]-ptr[1]); return 0; } It looks like x[0] x[1] x[2] x[3] … Read more
[ad_1] Install gnu tools for windows. Write a script to create a user on remote machine using ssh invoke the script from C# program as a Process. See Execute multiple commands on remote machine 3 [ad_2] solved How to create a user on Ubuntu machine from a C# program?
[ad_1] There is a simple way around: Don’t run your 50 instances from your build output directory. Copy your binaries from your build output to another directory and start your instances from there. If you do so, you won’t have problems deploying a new modified version. Of course you cannot exchange the running binaries with … Read more
[ad_1] You can make Main() method async as well and use WhenAll instead of WaitAll. And use just T() when assign Task to array item, there is no need to do it like that new Task(async () => await T()); static async Task Main() { var tasks = new Task<bool>[10]; for (int i = 0; … Read more