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Please advise to make code more efficient to execute


By : user2174633
Date : October 17 2020, 08:10 PM
this will help I'm currently working on a file where data in certain cells are copied and pasted onto another sheet in a table. , Try following sub.
code :
Sub CopyPaste()
Dim sht1, sht2 As Worksheet

Set sht1 = Worksheets("Sheet1")
Set sht2 = Worksheets("Table")

    sht1.Range("K10").Copy sht2.Cells(Rows.Count, 1).End(xlUp).Offset(1, 0)
    sht1.Range("G15").Copy sht2.Cells(Rows.Count, 2).End(xlUp).Offset(1, 0)

End Sub


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How do I advise py-execute-buffer in emacs to run py-shell before the function?


By : squidjam
Date : March 29 2020, 07:55 AM
wish help you to fix your issue I'd like to be editing a buffer or file, hit C-c C-c and have the file sent to an IPython session. I can accomplish this now if I first run M-x py-shell before running py-execute-buffer via C-c C-c. But if I try to advise the function via , I think I found some solution:
code :
(defun my-py-execute-buffer ()
  (interactive)
  (set 'code-buffer (current-buffer))
  (unless (get-buffer "*Python*")
    (py-shell)
    (set-buffer code-buffer)
    (sleep-for 0.2))
  (py-execute-buffer))

If I measure the time it takes to execute a piece of code means I know how efficient the code is? JAVA


By : Glenn Ypil
Date : March 29 2020, 07:55 AM
I wish this helpful for you The first piece is probably slower because dividing is more expensive than comparing values.

how to make join table update efficient in sql (it's efficient from my ruby code!!)


By : Ted Yang
Date : March 29 2020, 07:55 AM
Hope this helps EXPLAIN
As @ruakh already explained, you probably misunderstood what EXPLAIN is telling you. If you want actual times in seconds, use EXPLAIN ANALYZE.
code :
BEGIN;
EXPLAIN ANALYZE ...;
ROLLBACK;
UPDATE movies m
SET    votes = i.value::int
FROM   infos i
WHERE  m.id = i.movie_id
AND    i.info_type = 100
AND    m.votes IS DISTINCT FROM i.value::int;
WHERE  m.id = i.movie_id

What is the most efficient way to execute this code?


By : Sushil Havaldar
Date : March 29 2020, 07:55 AM
I think the issue was by ths following , My teacher asked us to make a program in the most efficient way possible and to use a switch case for this. , Well, you can check it by yourself :
code :
class Program
{
    static void MyMethod1(int[] array, string choice)
    {            
        switch (choice.ToLower())
        {
            case "a":
                Array.Sort(array);
                break;
            case "z":
                Array.Sort(array);
                Array.Reverse(array);
                break;
            case "r":
                Array.Reverse(array);
                break;
        }
    }

    static void MyMethod2(int[] array, string choice)
    {            
        if (choice.ToLower() == "a" || choice.ToLower() == "z")
        {
            Array.Sort(array);
        }

        if (choice.ToLower() == "r" || choice.ToLower() == "z")
        {
            Array.Reverse(array);
        }
    }

    static int[][] CreateRandomArrays(int num, int length)
    {
        Random rand = new Random();
        int[][] arrays = new int[num][];

        for (int i = 0; i < arrays.Length; i++)
        {
            arrays[i] = new int[length];
            for (int i2 = 0; i2 < length; i2++)
                arrays[i][i2] = rand.Next();
        }

        return arrays;
    }

    static void Main(string[] args)
    {
        int[][] test1 = CreateRandomArrays(50, 200000);
        int[][] test2 = CreateRandomArrays(50, 200000);

        Stopwatch s = new Stopwatch();

        s.Start();

        for (int i = 0; i < test1.Length; i++) MyMethod1(test1[i], "z");

        s.Stop();
        Console.WriteLine(s.ElapsedMilliseconds);

        s.Restart();            

        for (int i = 0; i < test2.Length; i++) MyMethod2(test2[i], "z");

        s.Stop();

        Console.WriteLine(s.ElapsedMilliseconds);
    }
}
1010 ms    vs    1008 ms

Efficient ways to execute code based on multiple optional criteria (Excel VBA)


By : pankaj singh
Date : March 29 2020, 07:55 AM
wish helps you Having 6 separate criteria, each of which can independently be either true or false, is like having a six bit binary number:
code :
000000
000001
000010
000011
000100
000101
000110
000111
001000
...
etc.
Application.Run "Macro" & N
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