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Fastest Way of Inserting in Entity Framework
...ouple of times while researching this, but it seems to be more oriented to table-to-table inserts, saddly i was not expecting easy solutions, but rather performance tips, like for example managing the State of the connection manually, insted of letting EF do it for you
– Bongo ...
What do 'real', 'user' and 'sys' mean in the output of time(1)?
...nning in kernel mode and runs code from a specific location held in a jump table. For security reasons, you cannot switch to kernel mode and execute arbitrary code - the traps are managed through a table of addresses that cannot be written to unless the CPU is running in supervisor mode. You trap ...
View's SELECT contains a subquery in the FROM clause
I have two tables and I need to create a view. The tables are:
4 Answers
4
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How to retrieve inserted id after inserting row in SQLite using Python?
...to retrieve inserted id after inserting row in SQLite using Python? I have table like this:
2 Answers
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Storing Images in PostgreSQL
...ommend:
use blob (Binary Large OBject): for original image store, at your table. See Ivan's answer (no problem with backing up blobs!), PostgreSQL additional supplied modules, How-tos etc.
use a separate database with DBlink: for original image store, at another (unified/specialized) database. I...
MySQL select with CONCAT condition
I'm trying to compile this in my mind.. i have a table with firstname and lastname fields
and i have a string like "Bob Jones" or "Bob Michael Jones" and several others.
...
How can I see the specific value of the sql_mode?
...-----+
| PIPES_AS_CONCAT,ANSI_QUOTES,IGNORE_SPACE,ORACLE,NO_KEY_OPTIONS,NO_TABLE_OPTIONS,NO_FIELD_OPTIONS,NO_AUTO_CREATE_USER |
+----------------------------------------------------------------------------------------------------------------------+
1 row in set (0.00 sec)
...
What is the size of column of int(11) in mysql in bytes?
...prefixed with 0s.
The best way to see all the nuances is to run:
CREATE TABLE `mytable` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`int1` int(10) NOT NULL,
`int2` int(3) NOT NULL,
`zf1` int(10) ZEROFILL NOT NULL,
`zf2` int(3) ZEROFILL NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=Inn...
Numpy where function multiple conditions
...u even asking it to get logical AND of, because in the operator precedence table if you see, & is given precedence over < or > operators. Here's the table from from lowest precedence to highest precedence.
It's not even performing the < and > operation and being asked to perform a...
How to set the width of a cell in a UITableView in grouped style
...
A better and cleaner way to achieve this is subclassing UITableViewCell and overriding its -setFrame: method like this:
- (void)setFrame:(CGRect)frame {
frame.origin.x += inset;
frame.size.width -= 2 * inset;
[super setFrame:frame];
}
Why is it better? Because the oth...