Abc Engine

Posted on | September 9, 2009 | Comments Off

Abc Engine

Do so-called "Hypermileage" drivers mess up traffic flow and light timing?

I think it's great if you want to get better mileage out of your vehicle but there is a group playing a game with it called "Hypermileage". By taking off very slowly, driving 5-10 mph below speed limits, leaving long distances between other drivers, shutting off their engines past the 10 second idle point (on ABC News story) and making very slow stops these game players are wreaking havoc with the manual timing of lights and traffic flow/turn sensors that time lights.

Well actually it may help - provided the "hypermiler" is aware and knows the routes. For example in our downtown the lights are all timed to about 15mph, though the official speed limit is 25mph.

So if you just sorta creep along - you never have to stop at all! I do this a lot and it's fun to cruise by the "jackrabbit" start-stop guy who's just convinced he's "working it" and getting ahead... and then completely dumbfounded when I go rolling past him perfectly timed with the light!

What I despise - taking the Zen approach to driving - is when I'm rolling up on a red light and the guy behind me is so freaked he has to race around me and slam his breaks to stop... then the light turns green... and there I am...

Some people can't seem to drive ahead and realize that they're not really going to get anywhere... even on the freeway some drivers seem oblivious to the fact that the car in front of them is going slow because there are 8MILLION OTHER CARS in front of them.

Go figure.

Now all that said - it does depend what type of road your on-- a single lane with someone going 5-10 under? Dang - that's like being stuck behind a motor home! No that's not cool.

As for the manual timers on lights - I thought they were becoming more rare? All of ours are either timed or pedestrian/cyclist triggered. The left turn lights are sensored though. Yeah slow stops could have an impact there.

There shouldn't be anything wrong with shutting off the engine if they can anticipate the green... no worse than trying to put a manual transmission in gear.

Totally... do this in the fast food drive up line!!! But watch out for people that can't stand to have more than half a car length between you and the car in front of you! Some people are just jerks.

Hey and dig this - if everyone - and I mean everyone - obeyed the basic rules of the freeway including courtesy like following distance, speed, merging, etc... they are designed such that we'd NEVER have a traffic jam.

It's rude behavior, following too close (causing harder stops) and constant lane changing that actually create the worst jams!

35 Feet Long....Rear Engine....ABC MotorCoach

PHP is a powerful server side language that offers greater scalability, dynamism and ease of use than static HTML pages. However, PHP can be a hard nut to crack when it comes to search engine optimization. PHP developers encounter a lot of technical issues while creating PHP scripts based on SEO guidelines.

Here are some issues that may affect optimization of PHP pages. Also given are guidelines on how to overcome them without technical hiccups:

Latency of PHP scripts: The execution time of a PHP code counts a lot in determining the SEO friendliness of the script. If a search engine spider crawls your PHP page and follows a link, but is forced to wait long for the server to execute the PHP code behind the page, then, it may neglect your page or move on without crawling the rest the page. To optimize the loop code and avoid slowdowns, reduce the number of SELECT * calls you use. Using SELECT on a table that contains 10 fields when you want to select only one is like inviting a slowdown of your script. Instead, name all the columns you want to retrieve. If you are using MySQL, test your queries using EXPLAIN statement. Further, to make loops more search engine friendly, use duplicated code that will not be repeated many times and static values such as count values.

Session ID issue: If the “enable-trans-sid” option is turned on, it creates links with session ID numbers. Not only do your links grow nonsensically-lengthy, but they also present spiders with different URLs to the same content, which in turn may cause problems in the indexing of pages. To avoid session ID in your URLs, you need to disable the 'trans-id' feature in php.ini by setting “session.use_trans_sid” to false. Else, you can disable session ID feature by adding php_flag session.use_trans_sid off to the .htaccess file in the root directory.

Search Engine friendly URLs: To optimize your PHP pages to look like static pages to search engines, you can use either of the two ways - you can use Apache to fake such static page-like URLs or keep your GET variables to a minimum. URL cleanliness is a crucial issue in dynamic PHP pages. Since such pages are created with GET variables, the URLs look clumsy and almost unreadable to search spiders. Use less number of GET variables to avoid URLs like “Page.php?var=abc&var1=def&var2=ghi” Instead, you can also make GET variables relevant by using keyword rich titles and terms. If the page requires more variables, you can combine the variables by delimiting them with a hyphen or an unused character and then, splitting them in the target page.

Mod_rewrite: Rewriting your URLs should be done after a lot of thinking since you cannot be changing your links over and over again. First decide on how you want to rewrite your URLs, then go ahead and implement it in your .htaccess file. For instance, a sample mod_rewrite rule would be like this RewriteEngine On RewriteRule ^(.*)/(.*)/(.*).html /index.php?act=$1&id=$2&page=$3 The first line starts the mod_rewrite engine, while the second line does the URL modification work. The second line dictates how to modify your actual URL like the one mentioned in part 2 of the RewriteRule.

Author Bio:

Dot Com Infoway is one of the leading IT company specializing in application development and web applications .To know more about the company's PHP development visit PHP web developement

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Article Source: ArticlesBase.com - How to create search engine friendly PHP pages without technical hiccups

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