[Solved] I have these 5 panels in my tabbed pane..I want that when the input in my combo box i 2 ..all panels except panel 8 should b disabled [closed]

its not disabling the tabs Why do you think making a panel invisible will disable a tab? If you want to disable a tab then take a look at the JTabbedPane API. Look at all the “setter” methods. You will find a method that allows you to disable individual tabs. solved I have these 5 … Read more

[Solved] How do I count the number of collisions in a HashTable from a set of values? [closed]

Calculate the hash values of your number values in your set and count the number of duplicate hash values. A simple implementation of this may be: List<Integer> yourValues = /* Your set of numbers */; Map<Integer, Set<Integer>> map = new HashMap<>(); // Insert all elements into buckets based on their hash value yourValues.forEach(value -> { … Read more

[Solved] Shorthand for if(true){doStuff()}?

Just about the only one you’ve left off is the braces-free if: if (isTireFlat) fixTire(); Please note that this isn’t intended as advocating doing it. Just pointing out the option that you didn’t already have covered. 3 solved Shorthand for if(true){doStuff()}?

[Solved] My program keeps getting an error called ‘inconsistent use of tabs and spaces’ when I add an else or elif statement [duplicate]

you have an indentation problem : if (input(“”).lower() == “yes”): gender_set() elif name.lower()==”dev mode”: print(“dev mode activated”) gender_set() else: name_set() solved My program keeps getting an error called ‘inconsistent use of tabs and spaces’ when I add an else or elif statement [duplicate]

[Solved] Retrieving location every 5 seconds

In a nutshell: LocationRequest locationrequest = LocationRequest.create(); locationrequest.setInterval(5000); // 5 seconds LocationClient locationclient = new LocationClient(this, this, this); locationclient.requestLocationUpdates(locationrequest, this); https://developer.android.com/training/location/index.html In this link, it is suggested that you use the new Google Play services location APIs. But they have the same idea. solved Retrieving location every 5 seconds

[Solved] Grouping and summarizing [closed]

Editing from previous wrong answer and borrowing from @akron for the use of rle, you can do this: assuming that your data is in a data.frame named “df” and your “frame classes” are in a column named “frame_class”, as in the code below, this should work: df = data.frame(n_frame = seq(1:13), frame_type = “frame_type”, frame_class … Read more

[Solved] Difference between in class and constructor initialisation [closed]

Under the C++11 standard, we can supply an in-class initializer for a data member. When we create objects, the in-class initializers will be used to initialize the data members. Members without an initializer are default initialized. Your first example uses an in-class initializer, while your second example only initializes a within the default constructor. Say … Read more

[Solved] Iteration In Arraylist in Java

Use a hashMap and check if this key already exists then update the double value by adding existing double value then put in the map. public static void main(String[] args) { List<MyObject> list = new ArrayList<MyObject>(); list.add(new MyObject(“a”,”b”,”c”,new BigDecimal(10.23))); list.add(new MyObject(“a”,”b”,”e”,new BigDecimal(10.23))); list.add(new MyObject(“a”,”b”,”c”,new BigDecimal(10.23))); list.add(new MyObject(“a”,”b”,”d”,new BigDecimal(10.23))); Map<MyObject,MyObject> map = new HashMap<MyObject,MyObject>(){ @Override public … Read more