c++

[Solved] I am try to Pagination using Skip Take in Code Frist Approach But given Error

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[ad_1] [HttpPost] [Route(“Paging”)] public async Task <ActionResult<IQueryable<City>>> Paging(int CurrentPage=1) { var abc= await _dropdowncontext.cities.OrderBy(x=>x.CityId).Skip((CurrentPage – 1) * 5).Take(5).ToListAsync(); if (!abc.Any()) return NotFound(); return Ok(abc); } 1 [ad_2] solved I am try to Pagination using Skip Take in Code Frist Approach But given Error

[Solved] How can I run a c++ script in debug in visual studio code? [closed]

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[ad_1] Good evening Tanozar, the problems are probably due to: – task.json “tasks”: [ { “type”: “shell”, “label”: “g++ build active file”, “command”: “/usr/bin/g++”, “args”: [ “-g”, “${file}”, “`pkg-config”, “–cflags”, “–libs”, “opencv4`”, “-lcfitsio”, “-lcurl”, “-o”, “${fileDirname}/${fileBasenameNoExtension}”, “-lboost_iostreams”, “-lboost_system”, “-lboost_filesystem”, “-lpython2.7”, “-lm”, “-L/usr/lib/python2.7/config/”, “-I/usr/include/python2.7/ “, ], “options”: { “cwd”: “/usr/bin” }, “problemMatcher”: [ “$gcc” ], “group”: … Read more

[Solved] Running 3 child processes

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[ad_1] Here’s a better instrumented version of your code; it includes the PID in the output, and the outputs are one line each. #include <iostream> #include <cstdlib> #include <sys/wait.h> #include <unistd.h> using namespace std; int main() { int ch1 = fork(); int ch2 = fork(); int ch3 = fork(); if (ch1 == 0) // child1 … Read more

[Solved] Count items in a list – ASP.NET C# [closed]

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[ad_1] try this : protected void btnSearch_Click(object sender, EventArgs e) { string searchWord = txtWord.Text; ZaraEntities db = new ZaraEntities(); var results = db.Products.Where(p => p.Name.Contains(searchWord)); rptrSearch.DataSource = results.ToList(); rptrSearch.DataBind(); litResults.Text = “<p>” + “Search results for ” + “‘” + txtWord.Text + “‘” + ” (“+ results.ToList().Count + “) Results found.</p>”; } OR litResults.Text … Read more

[Solved] How to use ‘new’ insted of ‘malloc’ in code [closed]

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[ad_1] The equivalent of SP->xs = malloc(size * sizeof(double)); is SP->xs = new double[size]; This does not require any #includes. To free the allocated array, use delete[]: delete[] SP->xs; The square brackets are important: without them, the code will compile but will have undefined behaviour. Since you’re writing in C++, consider using std::vector<double> instead of … Read more

[Solved] Why is the C# Task Parallel Library code slower than a normal for loop?

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[ad_1] To get more accurate results, remove the calls to Console.WriteLine inside both loops. You will still see that parallel loop is slower, because of the reasons stated in the question comments. To get a better feel for why that is, use instead an overload of Parallel.For from here and set the property ParallelOptions.MaxDegreeOfParallelism to … Read more

[Solved] How to handle messages from multiple windows

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[ad_1] There are several problems with your code: ProcessThread() is declared all wrong for CreateThread(), and the compiler would normally scream at you for that, but you are using an erroneous type-cast to quiet the compiler instead of fixing the error. As such, ProcessThread() will not be able to receive the vector correctly at runtime. … Read more

[Solved] Getting folder icon path

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[ad_1] here is the function that i wanted: string getIconPath(string folderPath) { SHFILEINFO shinfo = new SHFILEINFO(); Win32.SHGetFileInfo(folderPath, 0, ref shinfo, (uint)Marshal.SizeOf(shinfo), (int)0x1000); return shinfo.szDisplayName } and here are the SHFILEINFO struct and Win32 class implementations: [StructLayout(LayoutKind.Sequential)] public struct SHFILEINFO { public IntPtr hIcon; public int iIcon; public uint dwAttributes; [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 260)] public … Read more