[Solved] CFD boundary conditions

I won’t attempt to wade through the whole paper, but I can explain the syntax and make some educated guesses about what’s going on. #define IX(i,j) ((i)+(N+2)*(j)) This looks to me like they’re transforming two-dimensional coordinates i,j into a one-dimensional array index. j is the row number and i is the column number, which jibes … Read more

[Solved] The meaning of the

That is a shortcut for: cv::Mat_<double> myMat_(3, 3); myMat_.at(0, 0) = 1.0; myMat_.at(0, 1) = 2.0; myMat_.at(0, 2) = 3.0; myMat_.at(1, 0) = 4.0; myMat_.at(1, 1) = 5.0; myMat_.at(1, 2) = 6.0; myMat_.at(2, 0) = 7.0; myMat_.at(2, 1) = 8.0; myMat_.at(2, 2) = 9.0; The << and the , operators are overloaded to implement that … Read more

[Solved] Click a button in two pages at once

Out of Curiosity i just tried MartinWebb’s answer. I hope it might give you a start. Page # 1: <button type=”button” onclick=”hello()”>Hello</button> <script type=”text/javascript”> // window.localStorage.removeItem(“text”); function hello() { window.localStorage.setItem(“text”,”Hello there..”); } </script> Page # 2: <p id=”show”></p> <script type=”text/javascript”> window.addEventListener(‘storage’, storage_event_listener, false); function storage_event_listener(evt) { document.getElementById(“show”).innerText = evt.newValue; // console.log(evt); } </script> You can … Read more

[Solved] How can i make the app work offline with Firebase database

Simply activate offline persistens as specified in the official documentation: Firebase applications work even if your app temporarily loses its network connection. You can enable disk persistence with just one line of code: FirebaseDatabase.getInstance().setPersistenceEnabled(true); solved How can i make the app work offline with Firebase database

[Solved] Can’t get PHP variables in the JS script when setting Highcharts head tag [closed]

Introduction Highcharts is a powerful JavaScript library used to create interactive charts and graphs. It is widely used in web applications to visualize data in an easy-to-understand format. However, when setting Highcharts head tag, it can be difficult to get PHP variables in the JS script. This article will discuss how to solve this issue … Read more

[Solved] How to pass structure by reference in C?

Here is the problem, void readStructs(tMystruct *theVar) { scanf(“%d”,theVar.id); //<——problem scanf(“%f”,theVar.length); //<——problem } You should access Structure pointer member using -> operator and also you’re missing & that will eventually cause a segmentation fault. Here is the modified code, void readStructs(tMystruct *theVar) { scanf(“%d”,&theVar->id); scanf(“%f”,&theVar->length); } solved How to pass structure by reference in C?

[Solved] Please explain the following inline python code? index = [n for n, value in enumerate(self.Variable[i]) if value == 1] [closed]

The above code can be rewritten as: indices = [] for n, value in enumerate(self.BUSES[i]): if value==1: indices.append(n) enumerate returns a pair of (index, value at that index) for a given list. So you are testing if value at a given index is 1, and if that is true, you add the index to indices. … Read more

[Solved] Output accumulates each iteration instead of resetting [closed]

You’re reusing the same string buffer. If you keep putting things into the same buffer without clearing it, you’re obviously going to get extraneous stuff from previous iterations. Simply declare the StringBuffer inside the while loop so that it is created on each iteration. Anyway, you should learn to use your debugger, instead of asking … Read more

[Solved] I can create a student but it doesn’t save on mysql table. i get a console error that i can figure it out what it is [closed]

count the columns in your statement! There are seven columns but six values: INSERT INTO alumnos(legajo,nombre,apellido,curso,dni,edad,fechanc) ” + “VALUES(?,?,?,?,?,?)”); you easily forgott a questionmark(column place holder) try this: INSERT INTO alumnos(legajo,nombre,apellido,curso,dni,edad,fechanc) ” + “VALUES(?,?,?,?,?,?,?)”); solved I can create a student but it doesn’t save on mysql table. i get a console error that i can … Read more

[Solved] I can create a student but it doesn’t save on mysql table. i get a console error that i can figure it out what it is [closed]

Introduction If you are having trouble creating a student and saving it to a MySQL table, you have come to the right place. This post will provide you with a solution to your problem. We will discuss the console error you are receiving and how to troubleshoot it. By the end of this post, you … Read more

[Solved] How can write a clean url in php? [duplicate]

What you are really asking is that the request to details.php gets routed to index.php. You will therefore need some code in index.php to understand this request is for details. You can use this in your .htaccess file RewriteEngine On RewriteBase / RewriteCond %{REQUEST_FILENAME} !-l RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule ^(.*)$ index.php/$1 In … Read more