The previous post using the yield statement gives us the following output which shows the ease of using blocks in programs which can be used to pass on parameters to the other parts of the same statement. The code from the previous post gives the output: Hi There Hi There Hi There The code between [...]
Category Archives: Basics
Using thw [] for conditional processing
The process shown below is and example of using the [] to have the program execute a condition that searches the contents of an array till a match is found. It goes from the top to the bottom to check each and every member of the array to look for a match doing the requested [...]
Getting Started and how to open Programs : Part 2
Save the text file with the following filename “first1.rb” and we now go into the syntax checking function and the facility provided to show the syntax check verbosely. The following code shows how code is checked for syntax correctness and returns the result of the said checking by typing the following code : $ ruby [...]
Getting Started and how to open Programs : Part 1
RubyonRails is similar to most programming languages where in one can use the command line in windows or a terminal in Unix based systems. All programs should be written and saves in plain text format for the compiler and interpreter to process it easily. The first program would give you a feel for the overall [...]
Database manipulation
The database has been initialized, so now we get down to business of defining the fields in that database and include a field that we would call a foreign key which allows the establishment of the one to many relationship between the tables. This part of the process requires quite a bit of background of [...]
Next step : Creating the database for the filename application
The next phase or step would be to create a database for the application to use. Make sure the MySql engine is running and in the command window type “mysql -u root -p” and press enter and another enter for the password when prompted for there has not been any defined password yet. You are [...]
RoR Application Directories in-depth
There are quite a number of directories locate in the apps folder we have just created so to de-mystify them here are some explanations which hopefully would help you out. The directory “app/controllers” is where Rails searches for the controller classes which controls the web request from the user. The next one is the, “app/views” [...]
Ruby On Rails Flexibility
As far as programming is concerned, compatibility and ease of use of the logic is what any programmer would certainly dream off. With the fast paced technology we live on today, more programming languages have made interface for people to understand how to get new means of programming logic to go by. Rails works with [...]
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