itarticle vagrant configuration install virtual box Config vagrant behind the proxy, http://www.netinstructions.com/running-vagrant-1-8-behind-a-proxy/ After proxy being setted, run to add a box vagrant box add hashicorp/precise64 Vagrant up to start the vm ================Exception of, 303c.768: Error (rc=-5673): 303c.768: NtAllocateVirtualMemory (0000000000400000 LB 0x1000) failed with rcNt=0xc0000018 allocating replacement memory for working around buggy protection software. See VBoxStartup.log for more details 303c.768: Error (rc=-5645): 303c.768: Too many virtual memory regions. 2021-01-30 0
itarticle algorithim-string De-duplication Substring -> strstr reversal replacement moving letters around(ABCD1234 => A1B2C3D4) permutation(use DFS) Decoding/Encoding Longest substring that contains unique chars Reg Matching 0
