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CodeIgniter: Create new helper?
...n(){
$ci=& get_instance();
$ci->load->database();
$sql = "select * from table";
$query = $ci->db->query($sql);
$row = $query->result();
}
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How to get next/previous record in MySQL?
...ng that a primary key colum is not meant as a column to sort by, because MySQL does not guarantee that higher, auto incremented, values are necessarily added at a later time.
If you don't care about this, and simply need the record with a higher (or lower) id then this will suffice. Just don't use ...
How to round an average to 2 decimal places in PostgreSQL?
I am using PostgreSQL via the Ruby gem 'sequel'.
8 Answers
8
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What is the best collation to use for MySQL with PHP? [closed]
I'm wondering if there is a "best" choice for collation in MySQL for a general website where you aren't 100% sure of what will be entered? I understand that all the encodings should be the same, such as MySQL, Apache, the HTML and anything inside PHP.
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Replace Line Breaks in a String C#
...actual newlines may not match. This happened to me why processing returned SQL. The new lines were \n, while Environment.NewLine was \r\n. The result was that nothing was matched so the new lines remained.
– Dono
Oct 2 '13 at 3:06
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Foreign Key to multiple tables
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I am really new to SQL so correct me if this is wrong, but this design seems to be an approach to use when you are extremely confident that you will only need two owner types of a ticket. Down the road if a third ticket owner type were introduc...
Fluent and Query Expression — Is there any benefit(s) of one over other?
...th worlds by mixing query and method syntax. This is often done in LINQ to SQL queries:
var query =
from c in db.Customers
let totalSpend = c.Purchases.Sum (p => p.Price) // Method syntax here
where totalSpend > 1000
from p in c.Purchases
select new { p.Description, totalSpend, c...
psql: FATAL: database “” does not exist
I'm using the PostgreSql app for mac ( http://postgresapp.com/ ). I've used it in the past on other machines but it's giving me some trouble when installing on my macbook. I've installed the application and I ran:
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Working with huge files in VIM
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I had the same problem, but it was a 300GB mysql dump and I wanted to get rid of the DROP and change CREATE TABLE to CREATE TABLE IF NOT EXISTS so didn't want to run two invocations of sed. I wrote this quick Ruby script to dupe the file with those changes:
#!/usr/bin...
Setting unique Constraint with fluent API?
... Unique Constraint. I was seeing old posts that suggested executing native SQL commands for this, but that seem to defeat the purpose. is this possible with EF6?
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