A home to software testing, electronics circuits & projects, tips and tricks and digital diary.
A home to software testing, electronics circuits & projects, tips and tricks and digital diary.
Here is a very simple example of a low-cost battery charger for 12 v 7Ah lead-acid batteries. As shown in the figure, diodes 1N4001 (D1) and 1N4001 (D2) form a full-wave rectifier. The rectified voltage appears across SCR1 and the…
Resistance colour codes Below is the table containing resistance colour codes. Each color band represents a number and the order of the color band will represent a number value. The first 2 color bands indicate a number. The 3rd color…
What is test estimation? Test estimation is a prediction based on probabilistic assignment and is a continuous process, which should be followed and used throughout the project life-cycle. Wiki definition of Estimate: Estimation is the process of finding an estimate,…
The command prompt is still an indispensable part of windows OS.There are few things which can be done only through the command prompt. Also for some people like me command prompt is a faster way to accomplish things. Few commands like ping,…
Google as online timer Do you need a simple timer to remind you of upcoming tasks like calling your spouse, making that phone call to your client etc. There are lot of web apps, that let you create countdown timers…
To Locate UI elements in Selenium each of the language bindings expose a “Find Element” and “Find Elements” method. The first returns a WebElement object otherwise it throws an exception. The latter returns a list of WebElements, it can return…
Difference between “AndWait” and the “waitFor” Commands The difference between a command and its AndWait alternative is that the regular command (e.g. click) will do the action and continue with the following command as fast as it can, while the AndWait alternative (e.g. clickAndWait) tells Selenium…
What is Raspberry Pi? The Raspberry Pi is a credit-card sized computer that plugs into your TV and a keyboard. It is a capable little PC which can be used for many of the things that your desktop PC does,…
Sanity testing and Smoke testing. What is the difference? For last 10 years I have answered this question justifying the answer which I read in book. This is also one of my question in interviews. It is such a question which…
To add the KDE desktop environment to Linux Mint 15 1. Open a terminal window. 2. Type in the following commands then hit Enter after each. KDE Standard sudo apt-get install kde-standard KDE Full Package sudo apt-get install kde-full KDE…