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Articles by Samual Sam
Page 111 of 151
What is the difference between Serialization and Deserialization in Java?
Serialization Java provides a mechanism, called object serialization where an object can be represented as a sequence of bytes that includes the object's data as well as information about the object's type and the types of data stored in the object.Exampleimport java.io.*; public class SerializeDemo { public static void main(String [] args) { Employee e = new Employee(); e.name = "Reyan Ali"; e.address = "Phokka Kuan, Ambehta Peer"; e.SSN = 11122333; ...
Read MoreHow MySQL stored GENERATED COLUMNS can work with mathematical expressions?
It can be illustrated with the help of an example in which we are creating a stored generated column in the table named ‘triangle_stored’. As we know that stored generated column can be generated by using the keyword ‘stored’.Examplemysql> Create table triangle_stored(SideA DOUBLE, SideB DOUBLE, SideC DOUBLE AS (SQRT(SideA * SideB + SideB * SideB)) STORED); Query OK, 0 rows affected (0.47 sec) mysql> Describe triangle_stored; +-------+--------+------+-----+---------+------------------+ | Field | Type | Null | Key | Default | Extra | +-------+--------+------+-----+---------+------------------+ | SideA | double | ...
Read MoreGetting unauthorized exception in SAP ABAP
To fix this issue, you need to add try/catch response to the code. When you don’t include an authorization header, it results in an error 401 from the server.try { CatalogService.CatalogChangeClient service = new CatalogService.CatalogChangeClient(); service.ClientCredentials.UserName.UserName = "username"; service.ClientCredentials.UserName.Password = "password"; service.ClientCredentials.SupportInteractive = true; ProductUpdate[] products = new ProductUpdate[1]; products[0] = new ProductUpdate(); products[0].ProductCode = "00001"; products[0].ProductDescription = "TestProduct"; string result = service.UpdateProducts(products); } catch (Exception exception) { Console.WriteLine(exception.Message); }
Read MoreHow to check modules, functions, and tables in SAP ERP system.
For searching within RFC modules, you can use the transaction BAPI (Business Application Programming Interface) for searching modules. The advantage of this approach is that they are completely documented and available on SAP website with sample usage examples. Also, SAP provides support for the same and in case you are stuck somewhere, SAP support will be a good hand for guidance.Also, you can use transaction SE80, SE84 to query for modules, programs. Search using this supports the search for names, id, and descriptions.You can also use RS_ABAP_SOURCE_SCAN for searching across ABAP programs. It works fine with sub-system search but for ...
Read MoreWhat is different between constant and variable in C++?
Variable and constant are two commonly used mathematical concepts. Simply put, a variable is a value that is changing or that have the ability to change. A constant is a value which remains unchanged.For example, if you have a program that has a list of 10 radii and you want to calculate the area for all of these circles. To find the area of these circles, you'll write a program that will have a variable that will store the value of PI and this value will not change throughout the program. Such values can be declared as a constant.In the ...
Read MoreWhat is type inference in C++?
Type inference or deduction refers to the automatic detection of the data type of an expression in a programming language. It is a feature present in some strongly statically typed languages. In C++, the auto keyword(added in C++ 11) is used for automatic type deduction. For example, you want to create an iterator to iterate over a vector, you can simply use auto for that purpose. Example#include #include using namespace std; int main() { vector arr(10); for(auto it = arr.begin(); it != arr.end(); it ++) { cin >> *it; } return 0; }In the ...
Read MoreHow to Add Cinematic Effects On Selfies
Along with food, shelter and money internet and smart phone have become our basic necessities. Talking about smart phones along with all other criteria one unspoken necessity we all expect from our phone is front camera for selfies. A selfie for every mood, every moment happy, sad, angry or busy doing nothing.Earlier after taking a selfie limited editing options were available, but thanks to advancement in technology we can make our picture more beautiful or funny just as we want. A new app Lollicam helps us apply cinematic effects in selfies that makes picture more appealing. Pictures give you complete ...
Read MoreExam Guidance for CAT (Common Admission Test)
In a world obsessed with the word ‘Management’, MBA has become one of the most sought after degrees. Management and entrepreneurship often go hand-in-hand. Most of the startup CEOs and corporate honchos are MBA degree holders. CAT which stands for Common Admission Test is a much bandied about entrance exam especially when it comes to aspirants. To make a mark for themselves and subsequently join elite institutions such as Indian Institutes of Managements, Faculty of Management Studies etc., aspirants have to score a decent percentile in CAT. With the number of students taking CAT escalating to new heights, the sense ...
Read MoreFacebook introduces video as your profile pic!
Now you can upload a 7-second video as your profile pic. Isn’t that great? You can upload a fun-filled video or just a formal introduction in just that small little profile space describing you.Along with the profile video, you can now, highlight your bio-data with a 100-character bio field.And we have an updated mobile-centric design with centered profile photos. You want more? Facebook has Big sections for photos and friends, temporary profile pics, option to pin feature photos to the top of the profile! What more can you ask for?This helps you to highlight the most important things in your ...
Read MoreFrequently Used Examples of 'Fuser' Command in Linux
The fuser utility in Linux is a very smart Unix utility. As the name suggests, it offers knowledge about file user or the process that is currently utilizing the file or directory. This article explains about – Frequently used examples of ‘fuser’ Command in Linux.To get the more information about fuser, use the following command –$ fuserThe sample output should be like this –Usage: fuser [-fMuvw] [-a|-s] [-4|-6] [-c|-m|-n SPACE] [-k [-i] [-SIGNAL]] NAME... fuser -l fuser -V Show which processes use the named files, sockets, or filesystems. -a, --all display unused files ...
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