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- How do I... Add items to an Access combo box on the fly?
- List controls in Microsoft Access, such as the combo box and list box, offer choices to the user. From their point of view, they don't have to enter anything -- they simply select an item. From the application developer's perspective, the database is protected from typos and other erroneous data....
- Blog posts 2008-02-07
- How do I... Reject alpha characters in a SQL Server character column?
- Enforcing your data's integrity is probably the single most important issue you face when designing a database. Validating user input is one way of keeping bad data from making its way into your analyses and reports. It takes only one piece of bad data to throw everything off. It's...
- Blog posts 2008-01-25
- How do I... Display multiple values in an Access value list control?
- The title's a mouthful, but don't get too hung up on the terminology. The technique is simple, although not commonly implemented. You can populate a Microsoft Access list control with an explicit list of values and generally that list consists of one column, although you can display more. Creating a...
- Blog posts 2008-01-23
- How do I... Pass data over a network using disconnected recordsets?
- Retrieving data across a busy network can put a real cramp in your networking performance. Displaying the right data isn't enough -- you must display it promptly and on demand. Dragging only the data you actually need and only when you need it is the key to working efficiently across...
- Blog posts 2008-01-17
- How do I... Transfer data from a Word form to an Access database?
- Although Access forms are powerful interface objects, your users might not be familiar with them. In some cases, Access might not be installed on every users system, or you might prefer users not have access to your database. Here is how to use a Word form to...
- Blog posts 2008-01-03
- Don't be fooled by a company's benefit come-ons
- Have you ever interviewed at a company that offered you a low salary but tried to woo you with a great benefits program? In other words, they offer a salary that is actually below-poverty level, but they claim the benefits actually equal out to an extra 700 bazillion dollars. ...
- Blog posts 2008-01-03
- Dell offers new products, but needs more to complete its turnaround
- Michael Dell has made a number of changes to his company since he returned to the company he founded. He broke open the direct sales model to introduce Dell computers to retail sales outlets like Wal-Mart and soon Best Buy and reduced his workforce by 10 percent, both moves that...
- Blog posts 2007-12-11
- Use MD5 hashes to verify software downloads
- Professor Ronald Rivest of MIT created the MD5 cryptographic hash function in 1991 to replace the earlier MD4 algorithm. It employs a 128-bit hash value, typically expressed as a 32-character hexadecimal number. For instance, an MD5 hash generated from an OpenOffice.org download (v2.3.0 for Win32, English language) looks...
- Blog posts 2007-12-05
- The politics of phishing
- In early October of this year, Indiana University graduate student Christopher Soghoian gave a presentation in Washington, DC about the potential risks of online political contributions. While I wasn't able to attend the presentation (I was about 1,500 miles away from DC at the time), the subject is an...
- Blog posts 2007-11-23
- Ensure your Web site displays properly with character encoding
- I was recently teaching a class, and a student asked about the character encoding used in a Web page. This led to a good discussion of the topic, and it got me thinking about the myriad options available to Web developers. This column examines why developers use character encoding for...
- Blog posts 2007-09-24
- Online worlds may help develop artificial intelligence
- Artificial intelligence AI, when referring to the computing world, is most often about realizing what activities are not intelligent rather than developing machines that mimicked true intelligence. Now, however, the San Francisco-based AI company, Novamente, is developing "virtual pets" that will learn from their virtual world environments. ...
- Blog posts 2007-09-15
- The Geek's Guide to New TV Shows (updated)
- Here's your friendly neighborhood Trivia Geek's rundown of TV shows debuting this fall that should appeal to the sci-fi/fantasy/horror geek audience -- now with premiere dates! Links to video previews and IMDB listings abound, so let the bandwidth hogging begin! Chuck [Monday, September 24, 8 P.M., NBC]...
- Blog posts 2007-08-01
- Barracuda ups the ante with zero-day threat protection
- Barracuda Networks, the creator of the famed Barracuda anti-spam hardware appliance, is adding real-time malware protection to its line of products. Called Barracuda Real-Time Protection, the technology leverages on the strength of the company's installed base of 40,000 spam firewall appliances to monitor for malware breakouts. ...
- Blog posts 2007-07-10
- IBM contributes STEM to open source: Tool for disease mapping
- IBM has made open source a research project that will augment the mapping of the spread of diseases on a global scale. Abbreviated as STEM Spatiotemporal Epidemiological Modeler, the tool can be used to create epidemiological models based on different regions, species, diseases, and several other factors to simulate the...
- Blog posts 2007-06-12
- Men are Horizontal, Women are Vertical?
- Ok, right off, I know what your smutty mind is thinking... but you're wrong. PopCap games is running a Mothers Day "Free For Moms" special for Bejeweled; basically, if you are a mother, you can "purchase" the Classic Bejeweled for free by entering a specific code at checkout. I'm not...
- Blog posts 2007-05-11
- What Microsoft's Expression line offers Web designers
- The Microsoft Expression product line encompasses all facets of user interface design for both Windows and Web clients. Find out why designers are focusing their attention on Expression Web. The plethora of options available to Web designers can be a bit overwhelming. This ranges from various freeware products...
- Technical articles 2007-03-26
- Control presentation with ASP.NET 2.0's FormView control
- A survey of the new ASP.NET 2.0 data controls continues this week with the FormView control. A key feature of the control is customization, as developers may utilize user-defined templates to determine the presentation of data. ASP.NET 2.0's FormView control resembles the DetailsView control in that it facilitates...
- Technical articles 2007-03-19
- Change automatic reference marks for Word endnotes
- If you don't like the way your Word endnote numbers look, change them! Mary Ann Richardson explains that you can change the reference marks from Roman numerals to a different format by making one simple format change. By default, Word uses small Roman numerals for endnote reference marks....
- Technical articles 2007-03-06
- Write PIVOT queries in SQL Server 2005
- SQL Server 2005's PIVOT operator allows you to rotate row level data into tabular data without the use of the CASE statement. Tim Chapman describes why this new operator has a place in the TSQL developers' toolbelt. New to SQL Server 2005 is the PIVOT operator, which gives...
- Technical articles 2006-12-18
- Project managers need to understand lifecycle work
- Tom Mochal explains the difference between project management and the project lifecycle. Some people are confused on the difference between project management and the project lifecycle. It takes both types of work to complete a project successfully. The general difference is that project management is used ...
- Technical articles 2006-11-28
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