Category: Blog
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From array of numbers, find 3 numbers such that its Sum is Zero Problem solve using python
There are array of numbers from it we need to find 3 numbers whose sum should zero with minimum loops and minimum combinations. I did following code for it. Suggestions are most welcome. Note: For Analytical purpose if you want to add nodes(Graph Nodes or Items) whose price is more or less or equal like…
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Which correlation coefficient is resistant to outlier?
Spearman Rank correlation coefficient is resistant to outlier. Formula for it is as below: For example X=[x1,x2,x3,x4,x5,x6] and Y=[y1,y2,y3,y4,y5,y6] Now to find rx we need to order data of X in ascending order with marking its position in another arrray. Example X=[1,3,0,5,3,6]. Now lets sort X and mark sorted array position. Array is like X[1]=1,X[2]=3,X[3]=0,X[4]=5,X[5]=3,X[6]=6.…
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Does Correlation Coefficient can give non linear relationship between two data point?
Correlation coefficient provide relationship between two data point or two variable. But, this relationship is linear or non-linear. Correlation coefficient gives values between -1 and +1 which defines negative linear or positive linear relationship between two variable. If its zero then does not mean there is no relationship but it may be non-linear. Correlation coefficient…
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Why IP4/IPv6 Fragmentation require & What is Path MTU
This Blog post is explain what is IPv4/IPv6 Fragmentation and Path MTU process. Why IPv4/IPv6 Fragmentation Require When Frame/Packet travels in ethernet between wires its size should be according to Ethernet Card which is generaly 1500 bytes. Our TCP/UDP or any Transport layer and Network Layer IP packets are large to fit with Ethernet. so,…
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IPv6 Security Tip-1
IPv6 Security Issues and How to mitigate it? One of the major Problem with IPv6 is ICMPv6 message is Respond to undefine ICMPv6 packet type message and other message type which send ICMPv6 Parameter problem or other response. This can cause DDOS or DOS attack. ICMPv6 Message Types as below which are not allocated which…
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How Web or HTTP /1.1 or HTTP/2 Request works? What are HTTP Methods?
This blog is to share details about HTTP /1.1 /2 (HTTP /1.1 and HTTP/2 shares same methods but HTTP/2 is connection are use request response multiplexing) Methods which used to fetch or update data on web server. When you surf website and when you ask for perticular page on website that time, Web browser send…
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How Git works? Working directory, Staging area and Commit, a Git Workflow
This article teach How Git internally work with respect to working directory, staging area and commit, a Git workflow. As shown figure, Git has 3 component in its workflow.
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How Computers communicate in LAN/How IP Address Converted to Hardware Address of Computer in LAN to communicate with each other
This blog post describe that how IPv4 address converted to Hardware address of Computer in LAN (Local Area Network) for communications of computers to each other. Any computer in LAN require hardware or MAC address (which is address on Ethernet Network Card) to communicate each other. For Better management of computer communication, computer network uses…
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