Actually it does not found the node by “aaa” nor “ccc”, it founds the node by the memory address a points to. Comparison between pointers does just that, it does not perform a string comparison. If you want to index by a string, then use an std::string. 2 solved interesting problem with map [closed]
Use OrderBy for the ordering, and First or possibly FirstOrDefault for the equivalent of TOP 1: var session = db.Sessions.OrderBy(x => x.StartTime).FirstOrDefault(); if (session != null) { // Use the session } else { // There weren’t any sessions } You could use a query expression for the first part, but it seems pretty pointless … Read more
I have specified the Build action on my .rdlc file as Embedded Resource and then it is referenced like this in the code: this.reportViewerScraps.LocalReport.ReportEmbeddedResource = “Backa_Artiklar_2.ScrapReportDocument.rdlc”; EDIT: Added info according to askers comment I have the rdlc file here in the Solution Explorer: Change your line of code to: reportViewer1.LocalReport.ReportEmbeddedResource = “<namespace>.Manufacturer.rdlc”; Remember to change … Read more
This’ll work. Please cross-check output for different inputs for coz haven’t had the time to do so. #include<iostream> using namespace std; int main (){ int units; double priceA,priceB,priceC; char package, goAgain; do { cout << “Enter the Package chosen. Enter ‘A’ or ‘a’ for package A.\n”; cout << “Enter ‘b’ or ‘B’ for package B.\n”; … Read more
Assuming cmbRateChart.SelectedValue contains qty value with respect to RangeChart. private void textBox_Validating(object sender, CancelEventArgs e) { bool cancel = false; int number = -1; if (int.TryParse(this.textBox.Text, out number)) { var validRange = Convert.ToInt32(cmbRateChart.SelectedValue) * 6; if (number <= validRange) cancel = false; //passed validation. else cancel = true; //failed validation, number is not in valid … Read more
You’re right, C::fn() is called when my example is ran alone. My problem actually was that I was dynamically loading this class (C) with ros:pluginlib (http://ros.org/wiki/pluginlib) so the multiple inheritance issue is probably coming from there. That’s a completly different issue I’ll have to look into. solved C++: virtual functions with multiple derivations
Will that cause memory leak ? There are no memory leak in your program, but a compilation error, since there are no operator[] defined for struct B. Assuming you add to map here: while(true) { A a; a[0] = 0; b[inx] = a; ++inx; } there are no memory leaks. The memory will increase until … Read more
Your json is broken and many json parser would complain about it. I’ll use Json.Net for parsing. string json = @”{data: { “”1000″”: { “”country-id””: 1000, “”name1″”: { “”name””: “”Afghanistan””, }, }, “”4000″”: { “”country-id””: 4000, “”name1″”: { “”name””: “”Albania””, } }”; var countries = ((JObject)JsonConvert.DeserializeObject(json))[“data”] .Children() .Select(x => new { Id = (int)x.First()[“country-id”], Name … Read more
This shouldn’t be the case. from wp in context.WorkPanels select wp; is equivalent to context.WorkPanels.Select(wp => wp);. The MS implementations of Select (Enumerable.Select / Queryable.Select) never return null. There must be something else wrong somewhere else. 4 solved Why null is returned?
You are on the right track. Use the overload of IndexOf that takes a start index when you look for the second character: int first = picture.IndexOf(‘_’); int second = picture.IndexOf(‘_’, first + 1); string part = picture.Substring(first + 1, second – first – 1); solved Get text between 2 same symbols [closed]
Reason 1 To make the code easier to understand. (Don’t underestimate how important easy to understand code is) Imagine this: class Student { public string First { get; set; } public string Last {get; set;} public int ID { get; set; } public string Street { get; set; } public string City { get; set; … Read more
Try :- if (stringInput == “attack ennemy”) { cout << endl << “You dealt 100 attack points to: ENNEMY” << endl; ennemyHealthPoints = ennemyHealthPoints – attackPoints; **displayEnnemyStatus(ennemyAttackPoints, ennemyHealthPoints)**; } Instead of :- if (stringInput = attack ennemy) { cout << endl << “You dealt 100 attack points to: ENNEMY” << endl; ennemyHealthPoints = ennemyHealthPoints – … Read more
Try this :- #include <iostream> #include <math> using namespace std; int result, number, n; void function1(int number) { int result; result = pow(number,number); cout<<result; } int main() { for (n = 1; n < 10; n++) { function1(n); system(“pause”); } return 0; } 3 solved C++ program calculates n times n for the numbers 1 … Read more
For pulse width modulation, you’d want to turn the LED off for a certain amount of time, then turn the LED on for a certain amount of time; where the amounts of time depend on how bright you want the LED to appear and the total period (“on time + off time”) is constant. In … Read more
You didn’t say exactly what errors you were getting, but you added some in-line comments. It’s best to post the exact error message separately from the code (and also indicate which line it came from, and what you expected that line to do). Looking at this one: if (a.leftLeft == b.leftLeft = 0){ there is … Read more