JOEL LIPMAN Systems / Automation / AI

Knowledge base / Since 1999

Scripts, systems & field notes.

Practical solutions and technical notes from CRM platforms, workflow automation, APIs, databases and the systems around them.

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SSRS Subscriptions cannot be created
SQL Server Reporting Services

SSRS Subscriptions cannot be created

This article describes solutions to the error: Subscriptions cannot be created because the credentials used to run the report are not stored, or if a linked report, the link is no longer valid. How?

Read note 35,638 hits
Call to a member function mark() on a non-object in Joomla CMS
Joomla

Call to a member function mark() on a non-object in Joomla CMS

This is a quick note on one reason you may get the above error in a Joomla CMS environment. Call to a member function mark() on a non-object in /public_html/index.php How? Not really a solution here because this is indicating that the system can't find the core framework files. Yes the bad news is you have lost your si...

Read note 40,811 hits
Problem creating SSRS report subscriptions
SQL Server Reporting Services

Problem creating SSRS report subscriptions

A quick article on if you are trying to create a new subscription to a SQL Server Reporting Server (SSRS) report and you are getting a warning message similar to the following: Message from webpage Subscriptions cannot be created because the credentials used to run the report are not stored, or if a linked report, the...

Read note 28,744 hits
Regular Expression Basic Usage Examples
Web-Development

Regular Expression Basic Usage Examples

A quick reminder on basic regular expressions. Match Any Character — Dot The dot operator '.' matches any single character in the current character set. For example, to find the sequence--'a', followed by any character, followed by 'c'--use the expression: a.c This expression matches all of the following sequences...

Read note 43,955 hits
SSIS Script: convert UPPERCASE to Mixed-Case using TitleCase
SQL Server Integration Services

SSIS Script: convert UPPERCASE to Mixed-Case using TitleCase

So like lots of people on the net, I've been given a datasource with names and addresses all in UPPERCASE. Initially, no one seemed bothered but now the request came through asking if this could be restored to a normal case, a mixture of mostly lowercase and some UPPERCASE.

Read note 112,463 hits
Compare two databases using T-SQL
Transact-SQL

Compare two databases using T-SQL

A quick article on how to compare two Microsoft databases using the tools provided with SQL Server and without having to download any third-party products.

Read note 34,212 hits
MySQL: Find all non-alphanumeric rows
MySQL

MySQL: Find all non-alphanumeric rows

Quick note on how to do this. I was tasked with cleaning up an english database by replacing all special alphabets (ë to e) and non-alphanumeric symbols with URL friendly characters. How? -- return all records that contain non-alphanumeric characters SELECT * FROM myTable WHERE myColumn NOT REGEXP '^[A-Za-z0-9]+$'...

Read note 21,880 hits

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