Monthly Archives: August 2007

List of Available Perl Modules

I use a free hosting website for a domain of mine. I couldn’t find a webpage with all the available perl modules supported by the hosting company. So, I used the following script to figure out what modules are available.


#!/usr/bin/perl

print "Content-Type:text/plain\n\n";

map {
print "$_\n";
my $cmd = "find $_ -name '*.pm'";
system($cmd);
} @INC;

So, by accessing this page from the website, I could figure out all the modules available.

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Filed under Tech - Tips, web hosting

Should you trust LinkedIn recommendations?

Frankly, I don’t think so. The reason is, no one would ask reviews from people whom they think don’t have good opinion on them. Similarly, no one is going to give a public opinion telling the other person “hae, you suck big time, there is no way I am going to make the same mistake again, which is to hire you (as a manager) or to work with you (as a colleague)”. That is the very reason, you always see only very positive reviews and never any negative review.

So, to confirm my hypothesis, here is what I did. I looked at the reviews of some people that I worked with in the past and about whom I thought are not as competent and also know people who thought they are not competent enough. The reviews provided about these people by those who thought are not competent enough ended up giving good, if not great, reviews. Similarly, there were cases where people who hardly interacted with others within the company gave good reviews to some people.

Anyway, no one asked me to give recommendations so far nor did I try to get a recommendation. I think it’s meaningless. One co-relation I did observe though is, when people know they are going to get sacked, they try to increase their networking activity and recommendation seeking activity. And with reasonably good recos under their belt, they are well equipped to start interviewing with companies I guess. I am not sure how much weight employers are giving to LinkedIn recommendations. But, I wouldn’t certainly bother about them if I were recruiting. Just like I don’t give credit to some of the programming certifications that people obtain.

LinkedIn recommendations can never match the honest reviews provided for MBA application, for example, since in those recommendations, there is a way to waive the right to look at the recommendation. However, that model doesn’t work for LinkedIn because, the MBA application is a closed system accessible only to a specific school and a few individuals. However, LinkedIn’s recommendation system is sort of public.

This brings an important question. How honestly can the collaborative Web 2.0 solutions open for the public evolve? Perhaps in some areas they work fine. Some areas, they may not.

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CloudStore – Product Catalogs using Image Clouds

If you liked tag cloud / keyword cloud concept using text, think of what can be achieved using images instead of text! That is exactly what CloudStore – Online Shopping using Image Clouds from ToCloud does. The Digital SLR Cameras Image Cloud displays all the Digital SLR Cameras from Amazon as an Image Cloud. The cameras are ordered from left-to-right and top-to-bottom using Amazon’s SalesRank while the size of the Image is set to reflect the list price of the digital cameras. So, those digital SLR cameras that are more expensive are shown big while those that are cheap are shown small. Further, the images have a border rendered with different colors. Green indicates a “too low to display” price of Amazon, orange indicates that the sales price on Amazon is less than the list price while Yellow indicates that the list and sales prices are the same.

As far as I know, this is the first instance where a Web 2.0 concept of tag clouds has been implemented for Product Catalogs. What’s cool about this is the fact that it makes use of html image maps to be able to show the user additional information about each product and clicking on a particular product takes the user to the product details page on Amazon.

I have noticed an Image Cloud from chainofthoughts.com listed at wikipedia which seems to have multiple drawbacks. They are, 1) there is no semantics to the ordering of the images 2) each image in the Image Cloud is a separate which ends up requesting several http requests. But perhaps that website is the first to come up with the concept of Image Clouds while ToCloud is perhaps the first to use Image Clouds for Product Catalogs.

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Filed under Image Cloud, Procurement, Product Catalog, tag cloud, Web 2.0