Month: October 2022

[Solved] How to get value from void method? [closed]

by

You might set your Matrix properties based on the Dimension like class Matrix implements MatrixInterface { private Integer width; private Integer height; void GetSize(Dimension dim) { this.width = dim.width; this.height = dim.height; } } // Please note that this code isn’t clean. Or maybe the Getter is in fact a Setter. class Matrix implements MatrixInterface … Read more

[Solved] Codeigniter – Using codeigniter email library, how do i send the email to a database list?

by

There is no native mapping of db table to email, so you have to first select, then retrieve then send $query = $this->db->query(“SELECT emailAddress from table”); //select email addresses $sendTo=array(); foreach ($query->result() as $row) //loop to build array { $sendTo[]=$row->emailAddress; //add to array } $this->email->to($sendTo);//send email Of course I have had to guess you tables … Read more

[Solved] Min and Max in python? [closed]

by

Basically you are asking the user to input ask_user amount of integer numbers and then finding the max number and min number. Although it is not recommended to code as max=0 and min=999, what is happening here is whenever a number greater than the current max value is put in, it replaces the previous max … Read more

[Solved] Looking for explanation to argv[1][i] second array of pointers [duplicate]

by

If you call your executable, for instance, with one of these $ ./executable one foobar > program.exe one foobar You get argc == 3 argv[0] ==> “./executable” or “program.exe” argv[1] ==> “one” argv[2] ==> “foobar” argv[3] == NULL argv[2][0] == ‘f’ argv[2][1] == ‘o’ argv[2][2] == ‘o’ argv[2][3] == ‘b’ argv[2][4] == ‘a’ argv[2][5] == … Read more

[Solved] Ifelse to Compare the content of columns with dplyr

by

The best way to do this would be to use the glue package. This allows you to easily assign variable names based on strings: library(tidyverse) library(glue) > df <- data.frame( sample_id = c(‘SB013’, ‘SB014’, ‘SB013’, ‘SB014’, ‘SB015’, ‘SB016’, ‘SB016’), IN = c(1,2,3,4,5,6,7), OUT = c(rep(‘out’,7))) > df sample_id IN OUT 1 SB013 1 out 2 … Read more

[Solved] How to traverse the same table with nested cursors in oracle [closed]

by

Try something like this: begin for c in (select * from child_table) loop insert into table1 select * from parent_table where column_1 = c.column_10; insert into table2 select * from parent_table where column_1 = c.column_10; insert into table3 (column_1, column_2, column_3, column_4, column_5, column_6, column_7, column_8, column_9, column_10) values (c.column_1, c.column_2, c.column_3, c.column_4, c.column_5, c.column_6, … Read more

[Solved] Django websites not loading

by

The problem isn’t having multiple websites, using mod wsgi or even using Windows. The actual problem is the database. For some reason (no idea why) the default database becomes corrupt. The solution was for me to switch to MySQL from the default database. I’m not entirely sure why the default database becomes corrupt. This is … Read more

[Solved] Need a SQL Server query to eliminate the Highlighted Rows ( Returning Routes in Flight)

by

I have created a table named S65828793 with your provided data. First I have numbered the rows in ascending sequence of departure time. Then from that I have identified the flights that have been another flight within two consecutive days from opposite direction and marked those as returning flight. Then at last I have excluded … Read more

[Solved] Do amazon ec2 linux instances run on VMWare?

by

AWS’s EC2 service runs mostly on Linux servers, nearly a half-million of them according to the article below. They are running a modified version of the Xen hypervisor. http://www.zdnet.com/blog/open-source/amazon-ec2-cloud-is-made-up-of-almost-half-a-million-linux-servers/10620 1 solved Do amazon ec2 linux instances run on VMWare?