I would want to write the following code without switch, if else or the ternary operator. The code is shown below: switch (type){ case 'bed': function create{ return new Bed($customer, $price, $dimensions ); } break; case 'desk': function create{ return…
I have class for take values inside loop as this : $db_user->take_phone[1]; Inside loop I need take different values for the class $a=array("phone","name","street"); foreach($a as $aa) { echo $db_user->take_'$aa.'[1] } As you can see inside the loop I need to…
Question: I am learning c++, and i created a class to represent complex numbers. I created a copy constructor with the format complex(const complex &c); and the program worked fine. Then, i removed the const (so it became: complex( complex…
I`m trying to disabled 6 buttons when a condition is met. I have given the buttons the same class. Is there a simplest/shorter way to write ; var ButtonCollection = document.getElementsByClassName("button"); function PopUp() { x = L + Y; var…
I am trying to collect the elements by class and store them in a variable using document.getElementsByClassName('class'). When I do a console log of these elements it returns the elements correctly. but when I try to add a style.display =…
I am trying to navigate with React Navigate. When clicking on the image I get this error in console: Error: Invalid hook call. Hooks can only be called inside of the body of a function component. I have tried different…
TL;DR > echo (new ClassName())->propertyName; Will call the __destruct(), run its code and AFTER THAT successfully retrieve its "propertyName" property (which will be echoed normally). How can it be retrieving a property from a "destroyed" (or unset) object? < TL;DR…
Hey all I am having an issue fixing the following error: java.lang.RuntimeException: Unable to start activity ComponentInfo{com.xxxxxxxxxxxx/com.xxxxxxxxxxx.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String java.lang.reflect.Method.getName()' on a null object reference at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3270) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3409) at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:83) at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135) at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95)…
The way i am getting data is little bit complicated. I have "tweets" array where data is stored and each tweet is a card where i successfully change style when card is clicked(markTweet function), but there are also replies for…
I'd like to make an external dart file (let's call it color_palette.dart), that have some classes of colors. These classes would be able to be changed by a menu on another page of the app. These colors would be used…