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Negative weights using Dijkstra's Algorithm
...rithm you have suggested will indeed find the shortest path in this graph, but not all graphs in general. For example, consider this graph:
Assume the edges are directed from left to right as in your example,
Your algorithm will work as follows:
First, you set d(A) to zero and the other dista...
Reusable library to get human readable version of file size?
There are various snippets on the web that would give you a function to return human readable size from bytes size:
22 Answ...
How to initialize const member variable in a class?
When I am trying to initialize the const member variable t with 100. But it's giving me the following error:
11 Answers
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How to create a self-signed certificate with OpenSSL
I'm adding HTTPS support to an embedded Linux device. I have tried to generate a self-signed certificate with these steps:
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What's the fastest way to loop through an array in JavaScript?
I learned from books that you should write for loop like this：
22 Answers
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#pragma pack effect
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#pragma pack instructs the compiler to pack structure members with particular alignment. Most compilers, when you declare a struct, will insert padding between members to ensure that they are aligned to appropriate addresses in memory (usually a multiple of the type's size). This...
mmap() vs. reading blocks
I'm working on a program that will be processing files that could potentially be 100GB or more in size. The files contain sets of variable length records. I've got a first implementation up and running and am now looking towards improving performance, particularly at doing I/O more efficiently since...
What are all the common undefined behaviours that a C++ programmer should know about? [closed]
What are all the common undefined behaviours that a C++ programmer should know about?
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ArithmeticException: “Non-terminating decimal expansion; no exact representable decimal result”
Why does the following code raise the exception shown below?
8 Answers
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How can you find out which process is listening on a port on Windows?
...er, powershell
Get-Process -Id (Get-NetTCPConnection -LocalPort YourPortNumberHere).OwningProcess
Old answer, cmd
C:\> netstat -a -b
(Add -n to stop it trying to resolve hostnames, which will make it a lot faster.)
Note Dane's recommendation for TCPView. It looks very useful!
-a Displays all ...