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How do I use LINQ Contains(string[]) instead of Contains(string)
...ids = arrayofuids.Select(id => int.Parse(id)).ToList();
var selected = table.Where(t => uids.Contains(t.uid));
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What's the difference between VARCHAR and CHAR?
...: when Anon. says "your content is a fixed size" it means the rows of your table must contain all fixed size fields. You get no performance improvement if you use CHAR against VARCHAR in one field, but the table contains other fields that are VARCHAR.
– Marco Demaio
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Query for array elements inside JSON type
... json type in PostgreSQL 9.3.
I have a json column called data in a table called reports . The JSON looks something like this:
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Swipe to Delete and the “More” button (like in Mail app on iOS 7)
How to create a "more" button when user swipe a cell in table view (like mail app in ios 7)
20 Answers
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What MySQL data type should be used for Latitude/Longitude with 8 decimal places?
...types and Point is a single-value type which can be used. Example:
CREATE TABLE `buildings` (
`coordinate` POINT NOT NULL,
/* Even from v5.7.5 you can define an index for it */
SPATIAL INDEX `SPATIAL` (`coordinate`)
) ENGINE=InnoDB;
/* then for insertion you can */
INSERT INTO `buildings`
(...
Command line CSV viewer? [closed]
...ropriate width of each column, and displays the text as a nicely formatted table.
Note: whenever you have empty fields, you need to put some kind of placeholder in it, otherwise the column gets merged with following columns. The following example demonstrates how to use sed to insert a placeholder:...
Add a custom attribute to a Laravel / Eloquent model on load?
...s any accessors which do not directly relate to a column in the underlying table.
As Taylor Otwell mentioned here, "This is intentional and for performance reasons." However there is an easy way to achieve this:
class EventSession extends Eloquent {
protected $table = 'sessions';
protecte...
Deprecated: mysql_connect()
...tical with the old way:
<?php
// Old way
mysql_query('CREATE TEMPORARY TABLE `table`', $connection);
// New way
mysqli_query($connection, 'CREATE TEMPORARY TABLE `table`');
Turn off all deprecated warnings including them from mysql_*:
<?php
error_reporting(E_ALL ^ E_DEPRECATED);
The Exac...
How can I send an inner to the bottom of its parent ?
...ircumstances, a better solution is to make the grandparent element display:table; and the parent element display:table-cell;vertical-align:bottom;. After doing this, you should be able to give the the child elements display:inline-block; and they will automagically flow towards the bottom of the pa...
SQL how to increase or decrease one for a int column in one command
I have an Orders table which has a Quantity column. During check in or check out, we need to update that Quantity column by one. Is there a way to do this in one action or we have to get the existing value and then add or minus one on top of it?
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