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Rails: update_attribute vs update_attributes
...ils 4) update_attribute, update, update_column, update_columns etc. http://www.davidverhasselt.com/set-attributes-in-activerecord/. For example it differs in aspects such as running validations, touching object's updated_at or triggering callbacks.
As an answer to the OP's question update_attribute...
SVN checkout ignore folder
...folder for exclusion then delete the unwanted folder.
svn checkout http://www.example.com/project
cd project
svn update --set-depth=exclude docs
rm -fr docs
From now on any updates to the working copy won't repopulate the docs folder.
See http://blogs.collab.net/subversion/2009/03/sparse-directo...
How to go to a specific element on page? [duplicate]
... works in an IFrame on an iPhone.
Example of using getElementById:
http://www.w3schools.com/jsref/tryit.asp?filename=tryjsref_document_getelementbyid
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Redirecting from HTTP to HTTPS with PHP
...
You can always use
header('Location: https://www.domain.com/cart_save/');
to redirect to the save URL.
But I would recommend to do it by .htaccess and the Apache rewrite rules.
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How to write into a file in PHP?
...e
$select = "data what we trying to store in a file";
$file = fopen("/var/www/htdocs/folder/test.txt", "a");
fwrite($file , $select->__toString());
fclose($file );
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Replace transparency in PNG images with white background
....
-alpha remove -alpha off (not needed with JPG)
See documention: http://www.imagemagick.org/Usage/masking/#remove
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Can I load a UIImage from a URL?
...xample:
[cell.imageView setImageWithURL:[NSURL URLWithString:@"http://www.domain.com/path/to/image.jpg"] placeholderImage:[UIImage imageNamed:@"placeholder.png"]];
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How do I programmatically click a link with javascript?
... can do that by simply doing this in Javascript :
location.href = "http://www.example.com/test";
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T-SQL query to show table definition?
...
Visit http://www.stormrage.com/SQLStuff/sp_GetDDL_Latest.txt.
You will find the code of sp_getddl procedure for SQL Server.
The purpose of the procedure is script any table, temp table or object.
USAGE:
exec sp_GetDDL GMACT
or
exec ...
How to draw circle in html page?
...canvas> tag.
To draw circle in embedded SVG:
<svg xmlns="http://www.w3.org/2000/svg">
<circle cx="50" cy="50" r="50" fill="red" />
</svg>
Circle in <canvas>:
var canvas = document.getElementById("circlecanvas");
var context = canvas.getContext("2d");...