[Solved] Null Pointer Exception on SimpleDateFormat parse [duplicate]

String dateStr = “04/05/2010”; SimpleDateFormat curFormater = new SimpleDateFormat(“dd/MM/yyyy”); try { dateObj = curFormater.parse(dateStr); } catch (ParseException e) { // TODO Auto-generated catch block e.printStackTrace(); } SimpleDateFormat postFormater = new SimpleDateFormat(“MMMM dd, yyyy”); String newDateStr = postFormater.format(dateObj); Toast.makeText(getApplicationContext(), newDateStr, 1).show(); 1 solved Null Pointer Exception on SimpleDateFormat parse [duplicate]

[Solved] Writing a method which select all the rows and columns of the table given using Entity Framework

Can you write this method on the DbContext class? Then you could write something like in a separate new class file (e.g. ActionContextExtensions.cs or something like that): public partial class ActionContext : DbContext { public IEnumerable<T> SelectAll<T>() where T: class { return this.Set<T>().AsEnumerable(); } } This returns the type as defined by the generic parameter … Read more

[Solved] How can i reduce the time complexity of this program?

Almost all that this code do is organizing input and output except only this line: count=Collections.frequency(list,x); This is the only line where real computations happen. Actually, it’s time and space complexity is determined by the standard java.util.Collections.frequency method which should have pretty good time and space characteristics for such a trivial case. 1 solved How … Read more

[Solved] Insert max numeric value in Postgres column

There are no built-in features to limit numeric values in the described manner. You can create and use a function to implement this behavior: create or replace function limited_numeric(val numeric, prec int, scale int) returns numeric language sql immutable as $$ select least(mx, val) from ( select format(‘%s.%s’, repeat(‘9’, prec- scale), repeat(‘9’, scale))::numeric as mx … Read more

[Solved] C#, How to make and call functions

First of all, your for loop at the end (the one which gave you an error). Contains a misspelled property. The integer_array.length should actually be integer_array.Length The ‘length’ property is ‘Length’ in C# And for making sure that your code is looped until any of the correct input keys have been pressed. You can encapsulate … Read more

[Solved] PHP insert Tag CSS in arrays [closed]

If I’ve got your question then you might be looking for the following thing $array = array(‘one’ => Array ( ‘count’ => 2 ), ‘two’ => Array ( ‘count’ => 2 ), ‘three’ => Array ( ‘count’ => 2 )); foreach($array as $key => $value){ echo “<span class=”red”> $key <em>({$value[‘count’]})</em></span><br/>”; } 2 solved PHP insert … Read more

[Solved] While Loop and if statement

This should do: import random num = random.randint(7, 14) print num message = “” prevnum = -1 for n in range(num): newnum = random.randint(100, 103) while newnum == prevnum: newnum = random.randint(100, 103) prevnum = newnum message += chr(newnum) You have made numerous mistakes in your code, you should review them. solved While Loop and … Read more

[Solved] Convert String to INT64 [closed]

When you say you accept 9 numbers and want to change it to be 10 numbers, I’m assuming that you mean that the number is 9 digits in length, and you want it to be 10 digits. The maximum size of a 32-bit integer is ~2.1 billion. You could use a long instead, which is … Read more

[Solved] (Java) Go thru array beginning at the last index [closed]

Use this: public void someMethod(int[] arr){ for(int i=arr.length-1; i >= 0; i–){ if(arr[i] <= 8){ arr[i]+=1; }else if(arr[i] ==9){ arr[i] = 0; } } } Refer https://docs.oracle.com/javase/tutorial/java/nutsandbolts/for.html for better undersatnding of for loop construct. solved (Java) Go thru array beginning at the last index [closed]