Harry's Graffiti

Always Be Coding, Never Be Evil

Change Dark Blue on Directory While Ls

It is harmful to eyes seeing dark blue directory list

For some reason it is not a big issue in local terminal. However it happens in remote login through ssh and then do ‘ls’ command.

Power of Two Table

2^0     1
2^1     2
2^2     4
2^3     8
2^4     16
2^5     32
2^6     64
2^7     128
2^8     256
2^9     512
2^10    1024
2^11    2048
2^12    4096
2^13    8192
2^14    16384
2^15    32768
2^16    65536
2^17    131072
2^18    262144
2^19    524288
2^20    1048576
2^21    2097152
2^22    4194304
2^23    8388608
2^24    16777216
2^25    33554432
2^26    67108864
2^27    134217728
2^28    268435456
2^29    536870912
2^30    1073741824
2^31    2147483648
2^32    4294967296
2^33    8589934592
2^34    17179869184
2^35    34359738368
2^36    68719476736
2^37    137438953472
2^38    274877906944
2^39    549755813888
2^40    1099511627776
2^41    2199023255552
2^42    4398046511104
2^43    8796093022208
2^44    17592186044416
2^45    35184372088832
2^46    70368744177664
2^47    140737488355328
2^48    281474976710656
2^49    562949953421312
2^50    1125899906842624
2^51    2251799813685248
2^52    4503599627370496
2^53    9007199254740992
2^54    18014398509481984
2^55    36028797018963968
2^56    72057594037927936
2^57    144115188075855872
2^58    288230376151711744
2^59    576460752303423488
2^60    1152921504606846976
2^61    2305843009213693952
2^62    4611686018427387904
2^63    9223372036854775808
2^64    18446744073709551616

Realtek Rt8192cu Linux Driver

I got ASUS Wireless-N USB dongle couple months ago, thought it is supported in Linux, however I have no luck to enable it no matter on Ubuntu 12.04 nor 14.04 LTS.

Git FAQ

I write this FAQ list for git problems, usually you can google on stackoverflow or somewhere…