self.tableView setDelegate: assigns a weak reference; if you don’t hold your own reference to this object, it will get collected. This is why you’re seeing the crash. The system has collected the memory that was assigned to your delegate, then reassigned the memory to an NSArray. Your table tries to call methods on the delegate … Read more
It Should be something like that: public class MyClass { public void setSerial(int ser) { serialNumber = ser; } public double computeArea() { return width*length; } } But that won’t work: public void displayBoxes(){ MyClass myClass = new MyClass(); DecimalFormat df = new DecimalFormat(“0.000”); System.out.println(toString()); System.out.println(“The rectangle with the serial number ” + myClass.setSerial(12345) + … Read more
C0 is an invalid start byte for a two-byte UTF-8 sequence, but if a bad UTF-8 decoder accepts it C0 B1 would be interpreted as ASCII 31h (the character 1). Quoting Wikipedia: …(C0 and C1) could only be used for an invalid “overlong encoding” of ASCII characters (i.e., trying to encode a 7-bit ASCII value … Read more
private String getContactNameFromNumber(String number) { Uri uri = Uri.withAppendedPath(PhoneLookup.CONTENT_FILTER_URI, Uri.encode(number)); Cursor cursor = context.getContentResolver().query(uri, new String[]{PhoneLookup.DISPLAY_NAME},null,null,null); if (cursor.moveToFirst()) { name = cursor.getString(cursor.getColumnIndex(PhoneLookup.DISPLAY_NAME)); } return name; } solved Get Contact Name Through Contact Number [duplicate]
This Solution work for me : This code will remove last item in adapter after performing deletion operation in firebase realtime database. mAcceptedList.removeAt(adapterPosition); mShortlistProfileAdapter.notifyDataSetChanged() override fun onItemClicked( adapterPosition: Int, mUserListProfile: ArrayList<UserProfile> ) { mShortlistedProfileVM?.deleteUserProfile(mUserListProfile.get(adapterPosition)) mAcceptedList.removeAt(adapterPosition); mShortlistProfileAdapter.notifyDataSetChanged() } } To Prevent item gets duplicated. Clear your list before adding data into list. mAcceptedList.clear() <—add this line … Read more
What you need is calculating rolling total. The fastest way in SQL Server 2005 / 2008 / 2008 R2 I know is described here: https://stackoverflow.com/a/13744550/1744834. You have to have unique secuential column inside each category to use this method, like this: create table #t (no int, category int, value int, id int, primary key (category, … Read more
An integer is a single number with no decimal part, e.g., 3, 28, -76, 154, etc. You have a string, “0/5”. “0/5” doesn’t represent a number (especially as you’ve said it’s not a fraction), so it can’t be converted to an integer because it’s not the same kind of data. You’ll need to change the … Read more
public int indexOf(Object o) { if (o == null) { for (int i = 0; i < size; i++) if (elementData[i]==null) return i; } else { for (int i = 0; i < size; i++) if (o.equals(elementData[i])) return i; } return -1; } This is actual method in Arraylist ,after reading i came to know … Read more
blur is what you are looking for. document.write(“<input type=”text”>”); var input = document.querySelector(‘input’); input.addEventListener(‘focus’,function(){ input.style.backgroundColor = “purple”; }) input.addEventListener(‘blur’,function(){ if(input.value != “”){ input.style.backgroundColor = “green”; } }) 0 solved How to change form background color on focus loss when text is entered?
You can make GET or POST requests to node.js, in fact your browser sends a GET request in order to retrieve any HTML whatsoever.. I’m surprised that you have been able to deliver any given that you do not seem to grasp the concept of a GET request. You can post data to node just … Read more
Func f();, it prints nothing, it should print Constructor That is not true whatsoever. Here is how you create a Func: Func f; When I try to use operator() f(2) it gives me compilation error. error C2660: ‘f’ : function does not take 1 arguments. Isn’t it strange behaviour or I am missing something? Yes, … Read more
“koediseps” i have written a demo for passing data for you, download it and check it. if you found any problem , ask me. here is the link for data passing with delegate demo some other useful link simple-delegate-tutorial-for-ios-development passing-data-using-delegates-between-viewcontrollers 0 solved can i use to pass a data with ‘navigation controller back button’ in … Read more
Just “phoneNo[‘phoneno’]” or ‘phoneNo[“phoneno”]’. solved angularjs , any idea how to include “” in ng-bind=””
For reversible AES encryption, you can use this code. But I see you are trying to encrypt password, which is considered to be a bad idea. If you need to store user passwords, use hashing algorithms – I highly suggest SHA-512 with PBKDF2 (50 000 derivations should be enough). 5 solved Algorithm mcrypt AES for … Read more
itertools.permutations does this for you. Otherwise, a simple method consist in finding the permutations recursively: you successively select the first element of the output, then ask your function to find all the permutations of the remaining elements. A slightly different, but similar solution can be found at https://stackoverflow.com/a/104436/42973. It finds all the permutations of the … Read more