Recently ordered one item through “Timtara.com”, they never delivered the product. Complaint calls are not picked up always, if logged complaint no further action taken. They are big time frauds, cheated 100′s of customer and still site is running, scam is going on. Cheated people reported this to police and various other agencies still this site [...]
Continue reading →When I wrote this post Check your PF account balance online I thought it would be helpful for people to know the PF balance easily. but I found that, since PF region codes are changed its difficult to get the correct details. So here is the information to know your new region/establishment code from old PF [...]
Continue reading →Every application or a task executing on windows is application which is represented by a program and in OS by process. A program is nothing but sequence of instructions to carry out a certain task. Ready to execute program is a compiled and linked code into a binary executable file. But this executable program itself doesn’t execute. By execute [...]
Continue reading →An application is represented as process by OS. Every application occupies some system memory to hold the program and data during its execution. Every application has one or more threads with its stack and number of heaps. Every application has some or other bugs. Difficult to track down errors are caused by memory corruption. In [...]
Continue reading →In general, Memory leak means a chunk of memory from the available memory to any application has lost the connection with the application. This chunk of memory cannot be reclaimed or utilize any further till the program execution stops. What does it can cause ? Memory is finite for any system and application, there might [...]
Continue reading →A computer is a calculator that can process numbers and text. Text means the alphanumeric characters and symbols, but essentially everything is number. by processing what does it mean, user of computer provides certain input (numbers, characters ) to get some output in some form ( print on paper, display monitor or other devices). User instructs computer to carry [...]
Continue reading →C++ Initialization List : A place in the constructor to initialize the member variables. In the constructor definition, coma separated list of member variables(with initialization values in the brackets) is placed after constructor name followed by ”:”
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MyClass::MyClass() : myVar1(someVal1), myVar(SomeVal2) {} |
Code Example : Initializer list
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class MyClass { MyString m_string; public: // Initializer list MyClass(MyString & string ) : m_string(string) { } }; |
Regular assignment in the constructor ( inside curly braces)
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class MyClass { MyString m_string; public: MyClass(MyString & string ) { m_string = string; // Assignment } }; |
So how initialization [...]
Continue reading →Kernel or Device Driver development will require every developer to debug the code at some point of time during product life cycle. For debugging Kernel or Device Drivers we need at least two machines, a host and target machine (where driver is installed). Kernel debugging may crash your system several times resulting into loss of [...]
Continue reading →As name suggest Device Driver is a peace of code that drives a particular hardware device. Any hardware designed has specific definitions(sometimes aligned with industry standards ). It defines how to input/Send data to device, how to receive data from device. What operations device supports. How to configure the device for carrying out the operations [...]
Continue reading →Since most of us have received the Form 16 for previous year and deadline just 2 weeks away get ready to file returns. Download the Template to calculate your Income tax returns or liability here You can put in your income details and will come to know if you will receive returns if access taxes [...]
Continue reading →There could 3 approach that I am aware of 1. Compare every character with every other character. This is highly inefficient, complexity would be N * N 2. Second method would be to have a bool array with size equal to number of unique character’s in that particular character set. for ex. 256 for ASCII [...]
Continue reading →Pranav Mukharjee has presented the budget today and mentioned that DTC will not be in effect this year but put the leg forward towards Tax slabs aligning to DTC. Please find below the new INCOME TAX SLAB for year 2012. This definitely a relief to salaried person to an extent. Upto 2,00,000 – No Tax [...]
Continue reading →One of the important operations on binary tree’s is visiting every node in the tree. The operation must be efficient, accurate and should avoid visiting same nodes repetitively. There are three ways ideally to visit the nodes and each of them has specific sequence to visit nodes. If you see carefully names itself are given [...]
Continue reading →Windows application can be installed on Windows using Windows Installer or 3rd Party installer. MSI is a database file used by Windows Installer which runs as Windows Service. MSI contains different components like files, registry data, shortcuts etc. The GUI that used during installation is also the part of MSI. It also contains information about [...]
Continue reading →Multi threaded application requires the synchronization of resources to avoid issues related to resource sharing. One of the problem which occurs while using Windows API’s for synchronization is that in between lock and unlock statements if some exception occurs. Resource may get locked forever. This can be avoided with simply wrapping up the synchronization object [...]
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