Join David Powers for an in-depth discussion in this video Processing individual days, part of Code Clinic: PHP.
…Let's take a look at the data that's been inserted…in the database, by browsing the environmental data table in phpMyAdmin.…The air temp, bar press, and wind speed columns, have…now been populated with the data as comma separated strings.…But if we scroll down a little, we can see the days where the was no data.…We still have the date, but the value is null.…And if we go to the final record, we can see…that the last record is for the 26th of May 2010.…
After that date, we need to process individuals days.…So let's go to the Pend Oreille website…and remind ourselves of how the data is structured.…It's the deep moor weather data that we need.…And inside there we've got, folders for each year.…If we open 2014.…Inside are more folders, one for each day.…If we open one of those folders, inside there, are 11…files, one each for the different type of measurement that they're taking.…
We're interested, in just three, Air underscore…Temp, Barometric underscore Press, and Wind underscore Speed.…If we open one of those, we can see…
David introduces challenges and provides an overview of his solutions in PHP. Challenges include topics such as statistical analysis, searching directories for images, and accessing peripheral devices.
Visit other courses in the series to see how to solve the exact same challenges in languages like C#, C++, Java, Python, and Ruby.
Skill Level Intermediate
Q: I'm encountering script errors message with the prime_dates.php file used in the "Priming the date_record column" movie in this course. How can I resolve these errors?
A: To avoid script errors, use bindValue() instead of bindParam() in
Line 9 of the prime_dates.php file. You can also download the latest
copy of the exercise files, which corrects this issue for you. For a
more in-depth explanation of the difference between bindValue() and
bindParam(), check out the "Binding input and output values" video (http://www.lynda.com/PHP-
Q: Why can't I access the Lake Pend Orielle site (http://lpo.dt.navy.mil)?
A: The Lake Pend Orielle site is not accessible in some geographical areas. We have contacted the owner of the server to try to resolve this issue.
Q: I am unable to access the Lake Pend Oreille data from outside the U.S.
A: A static copy of this data is provided here for lynda.com members outside of the U.S
Problem One: Statistical Analysis
Problem Two: Image Analysis
Problem Three: Eight Queens
Problem Four: Accessing Peripherals
Problem Five: Recursion and Directories
Problem Six: Building the Web
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