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Tactics for using PHP in a high-load site
...lize your schemas. This means that rather than to have multiple relational tables, you should instead opt to have one big table. In general, joins are a waste of precious DB resources because doing multiple prepares and collation burns disk I/O's. Avoid them when you can.
The trade-off here is ...
Create the perfect JPA entity [closed]
...to create entities I find myself struggling with issues as AccessType, immutable properties, equals/hashCode, ... .
So I decided to try and find out the general best practice for each issue and write this down for personal use.
I would not mind however for anyone to comment on it or to tell me w...
How can I remove the search bar and footer added by the jQuery DataTables plugin?
I am using jQuery DataTables .
18 Answers
18
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trying to align html button at the center of the my page [duplicate]
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I've really taken recently to display: table to give things a fixed size such as to enable margin: 0 auto to work. Has made my life a lot easier. You just need to get past the fact that 'table' display doesn't mean table html.
It's especially useful for responsiv...
Common MySQL fields and their appropriate data types
...e specific - and storage is not the only cost. Sorting data and temporary tables (memory engine) will use the fixed amount.
– Morgan Tocker
Sep 17 '10 at 15:34
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What is the use of the square brackets [] in sql statements?
... You may also define a column name called select but select select from mytable would throw an error so select [select] from mytable would make it a valid query. Whatever word becomes colourful in your SQL management studio, should be surrounded by brackets if you want to use them as column / table...
Convert INT to VARCHAR SQL
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Use the convert function.
SELECT CONVERT(varchar(10), field_name) FROM table_name
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Difference Between ViewData and TempData?
...ViewData["City"] = "surat";
return View();
}
try1.cshtm
<table>
<tr>
<th>Name</th>
<th>Twitter</th>
<th>Email</th>
<th>City</th>
<th>Mobile</th>
</tr>
<tr>
<td>@ViewData["...
What does && mean in void *p = &&abc;
... that address points to a instruction within the .text section of the executable. The .text section is the one which holds you program's (binary) code to be executed.
You can inspect this with:
objdump -x a.out
A practical example
As described in GCC, you can use this to initialize a jump table. S...
Validate uniqueness of multiple columns
...record is unique and not just a column? For example, a friendship model / table should not be able to have multiple identical records like:
...