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PDO's query vs execute
... to avoid the need to escape or quote the parameters. execute will also perform better if you are repeating a query multiple times. Example of prepared statements:
$sth = $dbh->prepare('SELECT name, colour, calories FROM fruit
WHERE calories < :calories AND colour = :colour');
$sth->bi...
Check if a div exists with jquery [duplicate]
...his has been asked a lot.
But, it confuses me, since the results on google for this search show different methods (listed below)
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Why is textarea filled with mysterious white spaces?
I have a simple text area in a form like this:
21 Answers
21
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SVG Positioning
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Everything in the g element is positioned relative to the current transform matrix.
To move the content, just put the transformation in the g element:
<g transform="translate(20,2.5) rotate(10)">
<rect x="0" y="0" width="60" height="10"/>
</g>
Links: Example from the SV...
Cannot drop database because it is currently in use
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For SQL server mgmt. studio: Right click database: Properties -> Options -> Restrict Access : Set to "Single User" and perform the drop afterwards.
– AceAlfred
Sep 27 '13 at 11:02
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Convert stdClass object to array in PHP
...t), true);
Or if you prefer, you can traverse the object manually, too:
foreach ($object as $value)
$array[] = $value->post_id;
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PreparedStatement IN clause alternatives?
What are the best workarounds for using a SQL IN clause with instances of java.sql.PreparedStatement , which is not supported for multiple values due to SQL injection attack security issues: One ? placeholder represents one value, rather than a list of values.
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What is the meaning and difference between subject, user and principal?
...ject is the thing acted on. In this sense the use has been around since before computers were invented. In a security context, a subject is anything that can make a request. As noted above, this need not be limited to IT security and so is a very broad classification. The interesting thing is th...
When to use self over $this?
...lf to refer to the
current class. In other words, use
$this->member for non-static members,
use self::$member for static members.
Full Answer
Here is an example of correct usage of $this and self for non-static and static member variables:
<?php
class X {
private $non_static_memb...
android: stretch image in imageview to fit screen
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I know this is what you wanted, but for images where you care about aspect ratio, this will stretch it out.
– Artem Russakovskii
Nov 15 '11 at 1:39
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