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Conditional Constructs - IF...ELSEIF..ELSE
This construct is used to evaluate some complex conditions and based on the results execute different set of statements.
The basic syntax is
IF <conditions> THEN
<op
Hello friends,
Today I am here to explain the control flow function of mysql. Some times you want to get the result with respect to some conditions then you can use these functions.
Here are 4 type of control flow function which are following-
Flow
It is an improved variant of the binary search.For this algorithm to apply data should be in sorted form.
There are scenarios where the target location is already known. For example, in case of telephone directory the word to be searched is
Protocols are powerful functionality provided by iOS. These are set of behavior that is expected from an object to behave/respond in a given situation.
Protocols are set of methods and properties. One can define protocol as:
@protocol protocolName
Filter in Rails
Filters are the methods, that run before, after or around a controller action. We can better understand it by taking an example. Suppose in a blogging site, there are groups and we want that a user can only read blogs of his group. S
CSV files are comma separated values file that stores the data values in tabular format, where each column values are separated by commas. They are the lightest way of storing data in tabular format that is why most of the bulk data are exported and
Active Record gives many predefined validation helpers which you can use directly in your class. These helpers provide us rules which can be commonly used as a validation rules. So if the validation fails, a error message is added to object error col
below are few techniques
Equivalence partitioning:
Dividing the data into a range of values and selecting one input data value from each range is called Equivalence Partitioning. This is a black box test designing technique used to calculate the qu
This particular post will give you a overview of Single Table Inheritance And where to use it in Rails.
Single Table Inheritance is, as the name suggested, it is a way to add inheritance to your models. STI lets you to save different models inherit
A news server is a set of software used to handle Usenet articles. It may also refer to a computer itself which is primarily or solely used for handling Usenet.
A reader server provides an interface to read and post articles, generally with
