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This article talks about different ways of handling Abnormal Condtions or Errors that occur or Invalid Data receiving by an Application. These Errors are something, the programmer expect to occur in their Applications.
Depending on the specific circumstances, below are some tactics, using which we can handle errors. These techniques have to be handled both in Production and Development code as well. These techniques are used by the programmer to handle errors gracefully.
Background
Difference between Asserts and Error Handling Techniques:
Actually, this has been taken from my blog(www.sampctricks.blogspot.com) and I re-updated the article for Go4expert. I am myself newbie to programming but still I have included here what I myself practice. This is just a basic guide to prevent basic flaws in your PHP based web apps.
PHP is the most used web developing language and with the increased use of it, there have been increase in poorly programmed sites which have resulted in number of admin hacks and sometimes even worse, server rooting. So I am going to give you some ideas for writing secure codes for... [Read More]
This solution is to prevent the conversion of large numeric values in scientific notation while exporting to excel.
Background
This solution deals with the situation when there is a large numeric value, and while exporting to excel it gets converted to scientific notation. Here, we check if the value to be written in the excel cell is of Numeric type or not. If the value is of numeric type, we append " ' " before the data. This converts the data to be displayed in Excel sheet to be converted to string format. This conversion to string in turn prevents the values to be... [Read More]
Constructors are functions with the same name as the class. They are used to create the instance of a class. They are provided default by the compiler. But still user can have his/her own constructor declared. We can have a constrctor with a single parameter and use this kind of constructor for doing type conversion or implicit conversion.
