Know Your Technology

Samsung Wi-Fi PSM issue. Sometimes samsung mobile users experience issue with their wifi connectivity. The icon shows it’s connected to wifi but wifi won't work. This is because of the wifi power saver mode (PSM) is set to ON.    Wifi PSM (power saver mode) Wifi uses more power. So system is designed to turn off or disable the wifi when the user is not using the internet! Some times this prediction fails, machine thinks you are sleeping even though you are actively browsing the internet and hence it switches of the wifi! So you run out of internet connectivity! How to fix To fix this disable the power saver mode. Set it to off. Steps to disable wifi power saver mode.   Go to dial pad Dial *#0011# You will enter into the service mode screen Click the menu at the right corner Select Wifi You can see the Wifi Power Saver Mode button and it reads ON Click it and turn it OFF Exit the menu Try now - it should wor...

Windows Default Administrator account We have following 4 types of accounts in windows pc. Standard user Administrator User Guest User Build-In Administrator First three accounts we know and see it regular. Guest account is the one with very limited privileges for a guest session, usually we disable it. Default Administrator account is the built-in administrator account with very elevated privileges (i.e. Super User).   Usually and by default this is account is disabled and hidden.   Difference between Built in Administrator and Administrator User Administrator user – Is an un-elevated administrator account. This is controlled by UAC (User account control) by default. Though this account has complete access, any changes that require elevated admin rights will be prompted by UAC to do so. Built-in Administrator – This is an elevated administrator account, will not be monitored by UAC. This is hidden by default. This account...

HTTP Server Push HTTP server push  is a mechanism for sending data from a web server to a web browser. HTTP server push can be achieved through several mechanisms. Http Server push also known as HTTP streaming. Most web servers offer this feature by Non parsed Headers ("Server Push"). Another way of achieving server push is by using the special MIME type called multipart/x-mixed-replace   Server Pull and Push Usually browser asks for a page or image or an object from the server and the server sends the response to the browser. This is called 'Pull' method the most common method in webserver technology. At times the server itself can send data to the browser. Its required sometimes that the server has to push the data to its clients. For example consider the cricket score card or email web clients. These kinds of data change consistently, so server has to push the content to client to synchronize the client with the server data. Client side Refresh metho...