mongodb – How use update function of mongo-go-driver using struct

Exception or error: The update function of mongo-go-driver can be called like this. filter := bson.D{“username”, username} update := bson.D{{“$set”, bson.D{ {“name”, person.Name}, }, }} result, err := collection.UpdateOne(ctx, filter, update) type Person struct { ID primitive.ObjectID `json:”_id,omitempty” bson:”_id,omitempty”` Username string `json:”username,omitempty” bson:”username,omitempty”` Name string `json:”name,omitempty” bson:”name,omitempty”` } But, I need to call the update …

postgresql – Why null string values do not work on UPDATE?

Exception or error: I’m using sqlboiler to generated Go models from SQL and I’ve came across the following problem. When specifying ON CONFLICT via sqlboiler code: dev := models.Device{ ID: deviceID, Type: null.StringFrom(“device”), // Name: null.StringFrom(“”), // Alias: null.StringFrom(“”), } err = dev.Upsert(context.Background(), db, true, []string{“id”}, boil.Whitelist(“name”, “alias”, “type”), boil.Whitelist(“id”, “name”, “alias”, “type”), ) I …

How to validate decimal variables with php?

exception or error: I have a product in my sql table. From this product, the minimum order quantity is 19.2 If i want to add 19, the program allows it. $product_id = intval($_POST[‘product_id’]); $quantity = $_POST[‘quantity’]; $color = intval($_POST[‘szin’]); $MinimumOrder = $_POST[‘MinimumOrder’]; if($quantity%$MinimumOrder == 0 ) { $cart->add($product_id, $quantity, array ( “price” => $price, “color” …

php – Two date range return

exception or error: How to return the two date combine string like below. Start Date : 11/2/2020 End Date : 26/2/2020 Then Output should be like this : 11 to 26 feb 2020 Start Date : 26/2/2020 End Date : 5/3/2020 Then Output should be like this : 26 feb to 5 march 2020 Start …