c_in_depth

q). Is Http binary protocol? *. No, in my sense Http is not a binary protocol. It does’t send traffic/data in a way of 0’s and 1’s. q).why do some guys call http as binary protocol? *.http often uses tcp protocol. tcp sends data over the network in 0’s and 1’s fashion. that might people…

q).what is :authority header?a)The :authority header is a HTTP header field that specifies the authority portion of the target URI (Uniform Resource Identifier). It is used in the HTTP/2 protocol, which is an update to the HTTP protocol used for communication on the World Wide Web. In HTTP/2, the :authority header is equivalent to the…

Zigbee(802.15.4) *.It is a technological standard created for control & sensor network. *.Zigbee is a wireless technology standard that defines a set of communication protocols for short range communications. *.Zigbee is built on top of the IEEE 802.15.4 physical layer and designed To meet the needs of low cost battery operated device *.ZigBee is a…

PING – Packet INternet Groper Utility q).Why devices are not in online? why we can’t reach network? How to troubleshooooot? *. Ping is an utility, which helps somehow to narrow down this.

Link: A Link is a network that allows a set of computers to communicate with each other. eg 1: if all computers in an office are wired together, the connection makes a link eg 2: If several computers belonging to a private company are connected via a satellite channel, the connection is a link. q).What…

In Linux, an instance we call it as a process. And The process might have multiple threads(0 or 1 or more). by default a process is a single threaded. q).process vs threads ? *.all threads are part of process. the main process is main thread. eg: if we have multiple threads, all threads are child’s…

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Valgrind is more in general memory debugger tool. Debuggers Specially used to figure out memory leaks in our system programming with the help of Valgrind. It’s a great tool where most focussed in memory profiling. Ufh! not like gdb. Valgrind was originally designed to be a free memory debugging tool for Linux on x86, but…

I love gdb. GDB is a tool, by which an engineer able to narrow down the issues with the help of features provided by GDB(The GNU Project Debugger). Most of engineers in triage the critical bugs, they must be used gdb. lot of features, various options helping the engineer in trival time. that’s why we…