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Articles on Trending Technologies
Technical articles with clear explanations and examples
Tesla: Changing the Fossil Fuel Economy for a Cleaner Planet
To provide energy for nearly 7.2 billion people on earth itself is a huge task, and most of the energy needs today is met through the use of fossil fuels. The International energy agency estimated that in 2012, the world energy consumption was 13, 371 Mtoe , or 5.6 × 1020 joules. Oil is still the primary source of energy. However, during the period of 2000–2012, coal was the source of energy with the largest growth in terms of usage. The use of other fossil fuels and electricity followed that trend.We can see the disadvantages of using too much fossil ...
Read MoreHow to Avoid Spyware during Online Browsing?
Spyware is an unwanted program that gets installed in user’s system without his/her permission and tracks all the activities like important log-in information, valuable data, internet interactions etc. In addition to that, it hampers the performance of systems and even redirects web browser searches.Its rank on vulnerability is high because detection is very difficult. Before some spyware will be installed on your system, you have to open or click on some programs. The usual sources of these are spam folders of your mail, free downloaded software, misleading pop-ups and corrupt websites. Unless you are not sharp enough to judge these ...
Read MoreDifference between readObject and readResolve method in serialization
Serialization is the process of converting object to stream byte and storing byte stream in database or memory. Class which implements java.io.Serializable interface can be serialized. Class which is implementing this interface gives the responsibility to JVM for serialize or persist java object As per the oracle docs −readObject method − Each subclass of a serializable object may define its own readObject method. If a class does not implement the method, the default serialization provided by defaultReadObject will be used. When implemented, the class is only responsible for restoring its own fields, not those of its supertypes or subtypes.The readObject ...
Read MoreHow to Add Disk Storage to Oracle Virtual Box on Linux
This article is for those who are looking to install software on your Virtual Box but running low disk space issue. At the same time, you might also feel the need to add disk storage to Oracle VirtualBox by creating a new and larger drive to build the existing drive. Below are the steps to allocate more space by adding a virtual drive to a Virtual Box, The Guest VirtualBox is running the Red Hat Linux 6.7.Adding the Virtual DriveOpen Oracle VM Virtual Box Manager, select the Virtual Box for which you want to add the new disk and click ...
Read MoreTechniques To Resolve Workplace Conflicts
Have you ever faced such situations where two of your subordinates indulged in infighting on most of the matter? Whether taking the work or discussing any important stuff, they always pointed out each other’s mistakes and do not hesitate to complain you on every occasions. And when those resources are vital to the project then those situations can double your worries, isn’t it?Workplace conflicts are common and inevitable as each employee has their own attitude, ideas, and style of working. So while working together often their differences clashes and when that goes beyond the tolerance limit the conflict erupts.Conflicts may ...
Read MoreDifference between save() and persist() in Hibernate
Save() and persist() both methods are used for saving object in the database. As per docs −Save() − Persist the given transient instance, first assigning a generated identifier. (Or using the current value of the identifier property if the assigned generator is used.) This operation cascades to associated instances if the association is mapped with cascade="save-update".As per docs −persist() − Make a transient instance persistent. This operation cascades to associated instances if the association is mapped with cascade="persist". The semantics of this method are defined by JSR-220. Sr. No.Keysave()persist()1Basic It stores object in databaseIt also stores object ...
Read MoreHow to Add a New Disk Drive to a Linux Machine
This article helps you to configure and add a new disk to the Linux box. This is one of the most common problems encountered by system administrators these days since the servers are tending to run out of disk space to store excess data. Fortunately, disk space is now one of the cheapest. We shall look at the steps necessary to configure on Red Hat Enterprise Linux 6. x to add more space by installing the disk.ContentsMounted Filesystems or Logical VolumesGetting StartedFinding the New Hard Drive in RHEL 6Creating Linux PartitionsCreating a Filesystem on an RHEL 6 Disk PartitionMounting a ...
Read MoreHow Technology has Changed the Face Of Education
Assignments, projects, homework, exams, in my day, I don’t remember having a wizard or a complete encyclopedia that could give me all answers and suggestions in a second, or even correct my mistakes for meHow has technology changed education today? This has me wondering if I can still enroll in a college and study all over again just to get the feel of how easy it is today.Although I do realize how it isn’t easy per se, but I don’t find the kids today, determined by only what is taught in schools and books, alternative methods of teaching and learning ...
Read MoreDifference Between get() and load() in Hibernate
In hibernate, get() and load() are two methods which is used to fetch data for the given identifier. They both belong to Hibernate session class. Get() method return null, If no row is available in the session cache or the database for the given identifier whereas load() method throws object not found exception. Sr. No.KeyGet()Load()1Basic It is used to fetch data from the database for the given identifier It is also used to fetch data from the database for the given identifier 2Null Object It object not found for the given identifier then it will return null ...
Read MoreHow Technology can Boost your Career
We never think about the complexities involved in the basic things we use daily. However the luxuries we enjoy are just because of the advancement in technologies, and it’s a beautiful thought to try and understand how to use these everyday tech apps to improve your career goals and plans.Adopting and learning new technologies is no more limited to techies, as it has today become a basic necessity for individuals in each and every field. Beginners also realize now that they need to learn and practice new concepts so that they can prove their worth to the recruiting world.Sometimes a ...
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