listview - Dismissible item on a list in Android -
do know, what's best practice implement dismissible item on recyclerview or listview? can see ui pattern e.g. in settings app close datasaver.
4x4 Matrix in Python -
im trying code 4x4 matrix in python random integers 1-4. thats easy enough problem want each row , each column 1 time uses of each digit 1-4 example 1 2 3 4 2 3 4 1 3 4 1 2 4 1 2 3 my code 33% of time in loop there happens somthing this 2 1 4 3 3 4 2 1 1 3 x <-------- because of programm cant contiune , end in infinity loop helb how can out? code below """ programm playing game skyline """ random import randrange row1 = [] row2 = [] row3 = [] row4 = [] allrows = [row1, row2, row3, row4] column1 = [] column2 = [] column3 = [] column4 = [] allcolumns = [column1, column2, column3, column4] def board(): in range(4): j = 0 while len(allrows[i]) != 4: x = randrange(1,5) print(i, j) if x not in allrows[i] , x not in allcolumns[j]: allrows[i].append(x) allcolumns[j].append(x) j += 1 else: continue boa...
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