In Microsoft Excel, you can use Visual Basic for Applications (VBA) to automatically enter a date in a cell when a value is added. Here's an example of how you can do this: Press Alt + F11 to open the VBA editor. Right-click the sheet tab where you want to add the date, then select "View Code". In the code editor, paste the following code: Private Sub Worksheet_Change(ByVal Target As Range) If Target.Cells.Count > 1 Then Exit Sub If Not Intersect(Target, Range("A1:A10")) Is Nothing Then Target.Offset(0, 1).Value = Date End If End Sub Close the code editor by clicking the "X" in the top-right corner. This code will automatically enter the current date in the cell next to the active cell whenever a value is added in the cells from A1 to A10. If you want to change the range of cells, you can modify the range in the line "If Not Intersect(Target, Range("A1:A10")) Is Nothing Then". Note: This code works in all recent versions of Micr...
Here is an example of a basic snake game using JavaScript:
// canvas setup
var canvas = document.getElementById("snake-game");
var ctx = canvas.getContext("2d");
// game variables
var snake = [{x: 150, y: 150}];
var direction = "right";
var foodX = Math.floor(Math.random() * canvas.width);
var foodY = Math.floor(Math.random() * canvas.height);
var score = 0;
// game loop
setInterval(function() {
// clear the canvas
ctx.clearRect(0, 0, canvas.width, canvas.height);
// draw food
ctx.fillStyle = "red";
ctx.fillRect(foodX, foodY, 10, 10);
// move snake
var head = {x: snake[0].x, y: snake[0].y};
if (direction === "right") {
head.x += 10;
} else if (direction === "left") {
head.x -= 10;
} else if (direction === "up") {
head.y -= 10;
} else if (direction === "down") {
head.y += 10;
}
snake.unshift(head);
// check for collision with food
if (head.x === foodX && head.y === foodY) {
foodX = Math.floor(Math.random() * canvas.width);
foodY = Math.floor(Math.random() * canvas.height);
score++;
} else {
snake.pop();
}
// check for collision with walls
if (head.x >= canvas.width || head.x < 0 || head.y >= canvas.height || head.y < 0) {
alert("Game Over! Score: " + score);
location.reload();
}
// check for collision with self
for (var i = 1; i < snake.length; i++) {
if (head.x === snake[i].x && head.y === snake[i].y) {
alert("Game Over! Score: " + score);
location.reload();
}
}
// draw snake
ctx.fillStyle = "green";
for (var i = 0; i < snake.length; i++) {
ctx.fillRect(snake[i].x, snake[i].y, 10, 10);
}
}, 100);
// handle arrow key presses
document.onkeydown = function(event) {
if (event.keyCode === 37 && direction !== "right") {
direction = "left";
} else if (event.keyCode === 38 && direction !== "down") {
direction = "up";
} else if (event.keyCode === 39 && direction !== "left") {
direction = "right";
} else if (event.keyCode === 40 && direction !== "up") {
direction = "down";
}
};
This is a very basic example and you can add more features like:
changing the speed of the snake as the score increases
adding a pause and resume button
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