[Solved] IEnumreable and IQueryable [duplicate]

[ad_1] When querying a database, I prefer using a IQueryable because the request is sent when data are needed. I mean this var users = (from user in db.Users select user ).AsQueryable(); //it doesn’t load data yet until you write users.ToList(); or users.Count(); [ad_2] solved IEnumreable and IQueryable [duplicate]

[Solved] Below code is weird

[ad_1] The reason for this is that every counter(7) call creates a separate count instance and separate incr function. When you call them, you actually refer to different variables count thus the results are as shown above. 2 [ad_2] solved Below code is weird

[Solved] Execution time of C++ algorithm [closed]

[ad_1] For a logarithmic search, the time would be T ~= constant * log(N) T / log(N) ~= constant So to estimate the time T2 for size N2 given time T1 for size N1: T2 / log(N2) ~= T1 / log(N1) T2 ~= T1 * log(N2) / log(N1) ~= 0.00096ms * log(1000000) / log(290024) ~= … Read more

[Solved] Group by a nested list of object based on date [closed]

[ad_1] var temp = dbconnect.tblAnswerLists .Where(i => i.StudentNum == studentNumber && i.username==objstu.Return_SupervisorUserName_By_StudentNumber(studentNumber)) .ToList() // <– This will bring the data into memory. .Select(i => new PresentClass.supervisorAnswerQuesttionPres { answerList = Return_Answer_List(studentNumber,i.dateOfAnswer.Value.Date), questionList = Return_Question_List(studentNumber, i.dateOfAnswer.Value.Date), date = ConvertToPersianToShow(i.dateOfAnswer.Value.Date) }) .GroupBy(i => i.date) .OrderByDescending(i => i.Key) .ToList(); temp will actually be of type List<IGrouping<string, PresentClass.supervisorAnswerQuesttionPres>>. 2 [ad_2] … Read more

[Solved] write code within a div instead of body with documentwrite

[ad_1] try $(“div”).append(‘<img class=”leaves’+i+'” src=”‘+rndLeaf+'” style=”background-color:none;position:absolute;top:’+Ypos[i]+’px;left:’+Xpos[i]+’px;height:’+height[i]+’px;width:’+width[i]+’px;opacity:’+opacityLeaf[i]+’;”>’); [ad_2] solved write code within a div instead of body with documentwrite

[Solved] Not getting output in case of string

[ad_1] You are using an uninitialized string, so assigning a to s[0] does nothing or does undefined behavior. To do this, you have to give s a size, as the options below: Option 1: Resize #include <bits/stdc++.h> using namespace std; int main() { string s; s.resize(10); s[0] = ‘a’; cout << s << endl; return … Read more

[Solved] Run SQL query based on drop down value [closed]

[ad_1] <?php include(“dbconfig.php”); if(isset($_POST[‘submit’])) { if(isset($_POST[‘type’])) { if($_POST[‘type’] == “enquiry”) { Query } elseif($_POST[‘type’] == “enroll”) { Query } else { echo “Please select enquiry or enrollment”; } } else { echo “Please select an option”; } } ?> <form action=”dropd.php” method=”POST”> <select name=”type”> <option value=””>Please select:</option> <option value=”enquiry”>Student enquiry</option> <option value=”enroll”>Student enrollment</option> <input type=”submit” … Read more

[Solved] create live wallpaper using unity3d? [closed]

[ad_1] Go to unity store, search for uLiveWallpaper(Indie). It costs 25$. Import it to the unity app. Open uLiveWallpaper window by calling Tools → Lost Polygon → uLiveWallpaper The window consists of three tabs: “Create Project”, “Update Project”, and “About & Support”. To start creating your live wallpaper, first, you must create a Live Wallpaper … Read more

[Solved] Two if statements?

[ad_1] Yes you can, but you can also use AND operator : if(true && true){} else{} //Will go in the if if(true && false){} else{} //Will go in the else If you want multiple if : if(true){ if(true){} }else{ if(true){ }else if(true){ } } Note that if you do a nested if : if(true){ if(false){} … Read more