$_SERVER['http_referer'] returns blank in Internet Explorerhttps://www.joellipman.com/articles/microsoft/serverhttpreferer-returns-blank-in-internet-explorer.html

19 October 2009 Thought I'd put a note about this as I spent ages rewriting an entire system. The HTTP_REFERER environment variable can be changed by the user anyway but I was using it as an additional validation check. The only solution is to not use it for...

• Type: Article
• Author: Joel Lipman
• Category: Microsoft
• Language: en-GB

How to put MediaWiki into Debug modehttps://www.joellipman.com/articles/cms/mediawiki/how-to-put-mediawiki-into-debug-mode.html

22 October 2009 be able to log everything that WikiMedia does: $wgDebugLogFile = '/home/username/public_html/wikidir/logfile'; IMPORTANT NOTE: The path above should be the exact full path to the wiki directory under your account.

• Type: Article
• Author: Joel Lipman
• Category: MediaWiki
• Language: en-GB

How to make your Joomla site use SEO friendly urlshttps://www.joellipman.com/articles/cms/joomla/how-to-make-your-joomla-site-use-seo-friendly-urls.html

02 April 2010 Basically so that you can set all those SEO settings in the global configuration tab to YES. Note: you need the permissions to rename the file ("htaccess.txt" to ".htaccess" in your website root folder). You'll need ftp access or a file manager with...

• Type: Article
• Author: Joel Lipman
• Category: Joomla
• Language: en-GB

AutoHotkey Ternary Operatorhttps://www.joellipman.com/articles/automation/autohotkey/autohotkey-ternary-operator.html

27 April 2010 Just a quick note for the moment on how to use ternary operators in AutoHotkey. A ternary operator for those who are unfamiliar with this is an "If...Then...Else..." statement written in a small amount of code, usually on one line, and exists in most...

• Type: Article
• Author: Joel Lipman
• Category: AutoHotkey
• Language: en-GB

If Then Else in Report Builder 2.0 Expressionshttps://www.joellipman.com/articles/microsoft/ssrs/if-then-else-in-report-builder-20-expressions.html

06 May 2010 well don't laugh, I could not find this on the WWW so I was obviously not using Google properly. Anyway here's just a quick note on how to do if else statements in Report Builder 2.0 I'm looking at the following if statement: If (MyFieldName = 0) Then...

• Type: Article
• Author: Joel Lipman
• Category: SQL Server Reporting Services
• Language: en-GB

Change Regional Settings for your Reporthttps://www.joellipman.com/articles/microsoft/ssrs/change-regional-settings-for-your-report.html

17 May 2010 on either the server or the client machine. Realised that this was actually specified in the report. Here's a quick note on how to set Dates and Times used in parameter fields to UK format (dd/MM/yyyy). You can override this in the report by: Go to...

• Type: Article
• Author: Joel Lipman
• Category: SQL Server Reporting Services
• Language: en-GB

Added a Launcher and Unduplicaterhttps://www.joellipman.com/component/content/article/added-a-launcher-and-unduplicater.html?catid=87

19 May 2010 Just a note to say that I've added two more programs which I regularly use to my download section on this website. As always, these are free to download and include the source codes under the GNU/GPL License v3. If you have autohotkey installed, you...

• Type: Article
• Author: Joel Lipman
• Category: Products
• Language: *

Yesterday's time in PHPhttps://www.joellipman.com/articles/web-development/php/yesterdays-time-in-php.html

30 September 2010 tip or note to self: How to get yesterday's date irrespective of date format or daylight savings time. $today=date("Y-m-d"); $yesterday = date('Y-m-d', mktime(0, 0, 0, date("m") , date("d") - 1, date("Y")));

• Type: Article
• Author: Joel Lipman
• Category: Personal Home Page
• Language: en-GB

MySQL Commands to display all columnshttps://www.joellipman.com/articles/database/mysql/mysql-commands-to-display-all-columns.html

28 October 2010 value FROM information_schema.COLUMNS WHERE DATA_TYPE='text' AND TABLE_SCHEMA='sample_db' ORDER BY TABLE_NAME, COLUMN_NAME Note that the user launching this SQL query would need the SELECT privilege as a minimum on "information_schema" (arguable).

• Type: Article
• Author: Joel Lipman
• Category: MySQL
• Language: en-GB

Border settings not saving in SSRShttps://www.joellipman.com/articles/microsoft/ssrs/border-settings-not-saving-in-ssrs.html

24 March 2011 may sound silly to some but I've written a note because I spent time googling and still didn't find an answer. My situation is that I wanted to put an expression to format the border (empty cells have a border and non-empty don't). This was so that a...

• Type: Article
• Author: Joel Lipman
• Category: SQL Server Reporting Services
• Language: en-GB

Format Numbers in AutoHotkey with Commashttps://www.joellipman.com/articles/automation/autohotkey/format-numbers-in-autohotkey-with-commas.html

20 September 2011 a quick note as I use this function in various scripts. This adds the 1000th separator comma: FormatAddCommas(val) { Result:=val StringLen, OutputVar, Result NumLoop := (OutputVar // 3) DNum = 3 Loop, % (NumLoop+1) { StringRight,Digit,Result,%DNum%...

• Type: Article
• Author: Joel Lipman
• Category: AutoHotkey
• Language: en-GB

First and Last Entry on a Page using Modulus Remainderhttps://www.joellipman.com/articles/web-development/php/first-and-last-entry-on-a-page-using-modulus-remainder.html

26 September 2011 just do a primary school mathematics table and it all makes sense (see my 10 mod table below). This article is a quick note (so I never spend as long again) in PHP on how to determine when looping through a loop, which entry was first and which was...

• Type: Article
• Author: Joel Lipman
• Category: Personal Home Page
• Language: *

MySQL Group_concat equivalent in T-SQL and Oraclehttps://www.joellipman.com/articles/database/mysql-groupconcat-equivalent-in-t-sql-and-oracle.html

28 November 2011 1 Me 2 Myself 3 I -- to be returned as RowID my_field_name --------- -------------------------- 1 Me,Myself,I Note that the following queries include the nested version because I find myself needing to group concatenate more often from another table...

• Type: Article
• Author: Joel Lipman
• Category: Databases
• Language: en-GB

Strip HTML in MySQLhttps://www.joellipman.com/articles/database/mysql/strip-html-in-mysql.html

06 December 2011 putting a note as I have spent ages looking for a solution and getting it to work in my environment. What? Need to be able to omit HTML tags in certain fields of a mySQL database. Why? We are preparing to migrate old content to a new system. From a...

• Type: Article
• Author: Joel Lipman
• Category: MySQL
• Language: en-GB

MediaWiki: MySQL to extract path to imageshttps://www.joellipman.com/articles/cms/mediawiki/mediawiki-mysql-to-extract-path-to-images.html

06 December 2011 AS img_path_with_file from wikimedia_image -- where -- SUBSTRING(img_timestamp, 1, 8)>=20110922 ORDER BY img_timestamp DESC Note that I've commented out the lines which specify images modified since the 22nd of September 2011. I've left it in there for...

• Type: Article
• Author: Joel Lipman
• Category: MediaWiki
• Language: en-GB

Drop If Object Existshttps://www.joellipman.com/articles/database/t-sql/drop-if-object-exists.html

03 August 2012 place. So here you go, I hope it's of some use. If it's wrong then just post a comment at the bottom of this page. Go go go Note that in the following examples, I'm checking under the [Common] schema, this might be [dbo] for you or a more specific one....

• Type: Article
• Author: Joel Lipman
• Category: Transact-SQL
• Language: *

Mootools - How to contain a menu sidebar between header and footerhttps://www.joellipman.com/articles/web-development/mootools/mootools-how-to-contain-a-menu-sidebar-between-header-and-footer.html

10 August 2012 This has taken me too long to figure out and I hope I don't lose this note again. The only website that was titled similarly kept slowing down my computer too much so I decided to work out my own. The complexity is due to content also being dynamically...

• Type: Article
• Author: Joel Lipman
• Category: MooTools Framework
• Language: en-GB

The greatest invention in IThttps://www.joellipman.com/hardware/the-greatest-invention-in-it.html

13 September 2012 a useful note and more of a personal opinion then factual, but beyond the inventors of the Internet or any hardware has to be the following notion from IBM: a 1976 research report by Lance A. Miller and John C. Thomas of IBM, noted that "It would be...

• Type: Article
• Author: Joel Lipman
• Category: IT Support
• Language: *

Php convert filesizes to bytes kb mb gbhttps://www.joellipman.com/articles/web-development/php/php-convert-filesizes-to-bytes-kb-mb-gb.html

03 January 2013 Just a quick note on how to format a given filesize and to reduce the display output to a small string, eg: 196 bytes : displays as => "196 bytes" 12945 bytes : displays as => "12 Kb" 1478515 bytes : displays as => "1 Mb" 8798745455 bytes : displays as...

• Type: Article
• Author: Joel Lipman
• Category: Personal Home Page
• Language: en-GB

Live WebCam feed of Bournemouthhttps://www.joellipman.com/articles/web-development/live-webcam-feed-of-bournemouth.html

30 January 2013 I have lost my view of the sea. Oh well, this is where technology has come to the rescue and returned my calming view... Note: I think this is running in British Summer Time (BST) rather than GMT or it's clock is seriously off. Otherwise it's a picture...

• Type: Article
• Author: Joel Lipman
• Category: Web-Development
• Language: *