Category Archives: Tech Tips

Resizing Images for Slide Show Programs

Resizing Images for a Slide Show Program After you get a slide show program for your blog, you need to populate the slide show with images. The quality and formatting of the images you use will make a big difference in the quality of your website. This is why everyone who markets slide show software uses sharp, well composed images to demonstrate their software. Picture Size All slide show software allows you to specify a size in pixels of the images you are using for…

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Buying a Computer

What I’m Looking For Reliability – I’m not looking for a computer that never breaks. All computers break. I’m looking for a computer that I can fix quickly if it breaks. Modularity – the two parts of a computer most likely to break are its hard drive and its keyboard. Its good if you can replace them easily. Standard – I don’t want to spend a lot of time learning the charming eccentricities of my particular computer. As a computer consultant I have to run…

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A Comment on Comments

I write programs for a living, so I get to read a lot of comments. Since I teach I get to read a lot of programming textbooks. For reasons unknown to me, textbook authors all maintain that comments are important while writing uninformative or misleading comments in their own programming examples. Some pointers: What not to do: The self explanatory comment: j = j + 1; // add 1 to j If your comment simply says what the code says, why bother? A possible exception…

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Wireless Access Points

Empirical Observations About Wireless Access Points Overview Some observations based on nothing but experience on installing wireless networks: Which Access Point to Buy Access points are most commonly built into routers. I favor stand alone routers connected to stand alone access points. Both routers and access points are non-trivial devices capable of interacting with networks in subtle and mysterious ways. Keeping the devices separated tends to ease debugging. Also, dedicated access points tend to have more wireless options. I use Linksys WAP11 access points with…

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