Is it pratical or logicall to have a model in which the transport layer is unreliable but the network layer is reliable?

Assuming the transport layer gives unreliable services to the application layer and the network layer gives reliable services to the transport layer. I think this model will fail. An example is the buffers at the transport layer. Assume there is a buffer overflow and packets are dropped. No one will retransmit these lost packets. If…

Details

HOW to append pg_restore restoration log to file

I have tried multiple way to append log but not able to get. for example. pg_restore -U postgres -p5333 -d demodb < db_bkp_01_10_2019.dump >db_bkp_01_10_2019.log pg_restore -U postgres -p5333 -d demodb < db_bkp_01_10_2019.dump 2>db_bkp_01_10_2019.log pg_restore -U postgres -p5333 -d demodb < db_bkp_01_10_2019.dump 2&>db_bkp_01_10_2019.log I want log related to restoration like what command executed on db while…

Details

Django column does not exist error when created a mixed-case or upper-case column name

class uretimkaynaklari(models.Model): tarih = models.DateField() malzemeNo = models.CharField(max_length=30) operasyonKodu = models.CharField(max_length=30) isyeri = models.CharField(max_length=30) vardiya = models.CharField(max_length=30) sicil = models.CharField(max_length=30) uretimMiktari = models.FloatField() uretimSuresiMakina = models.FloatField() uretimSuresiIscilik = models.FloatField() def __str__(self): return self.sicil def operatoranalizi_func(request): cursor = connection.cursor() cursor.execute(“””SELECT id as id, tarih as tarih, sicil as sicil, uretimSuresiMakina as uretimSuresiMakina FROM operatoranalizi_uretimkaynaklari “””) rows…

Details

force redirection from https://example.com to https://www.example.com

I know this is a question that is asked several time. I tried several rules but redirection of https://example.com to https://www.example.com is not working. My current redirection rule in the apache vhost of non ssl is pasted below RewriteEngine on RewriteCond %{HTTPS} off [OR] RewriteCond %{HTTP_HOST} !^www\. [NC] RewriteRule ^ https://www.example.com%{REQUEST_URI} [R=301,L,NE The above rule…

Details