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http://redis.io/commands/lrange

Key: 'resque:queue:immediate' (list by KEYS *)

redis-cli LRANGE 'resque:queue:immediate' 0 -1 | grep 'InferFeedUrl' | wc -l

(grep ruby job's class defined at hash key.)

50kudos

Ruby will interprete variable inside "it block" before calling let.
So don't use the same varible name as let in the block.

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#161.246.34.191:-:161.246.34.195:-:sID.123456789012196:-:9999
!interval::1
!treshold::userCPU=51=89=180=180=300=999:-:usedMem=71=79=180=180=999=999:-:pUsedHdd=51=79=180=180=999=999:-:load5=1.50=1.79=180=180=200=999:-:load15=1.50=1.79=180=200=300=600
#treshold::key,threshold1,threshold2,t1(time to warning),t2(time to critical),t3(special time for migrate),t4(extra time for migrate) ,remark load5 t3 and t2 must be different 20+ 
$userCPU::sar -u 1 1 | sed -n 4,4p | awk '{print $4}'
$sysCPU::sar -u 1 1 | sed -n 4,4p | awk '{print $6}'
$load1::w | sed -n 1,1p |sed 's/.*: \(\)/\1/g' | cut -d, -f1
$load5::w | sed -n 1,1p |sed 's/.*: \(\)/\1/g' | cut -d, -f2 | sed s/' '//
$load15::w | sed -n 1,1p |sed 's/.*: \(\)/\1/g' | cut -d, -f3 | sed s/' '//
$pUsedHdd::df | grep '\/$' | awk '{if($1~/sda/)$4=$5};END{print $4}' | sed s/%//

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Arm yourself: The API wars are coming

Hypermedia API Steve Klabnik's

Hypermedia API' is more clear : Representional state transfer

Hypermedia APIs perspective

• Hypermedia APIs (cont 21)

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Allow root logon

1. Swap to console mode (ctrl+alt+F3)
2. Login as root
3. In /usr/share/config/kdm/kdmrc, change AllowRootlogon = false to true

Simplest list hidden files only

ls -ld .* OR ls -ld .??*

mkv to mp4

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;.MODEL	SMALL
IMAGESG		SEGMENT
	AREA	DB	0FFFFH DUP(99)	;BMP INTO
IMAGESG		ENDS

DATASG		SEGMENT
	IMG	DB	"N1.BMP",0	;PIC0
		DB	"N2.BMP",0	;PIC1
		DB	"N3.BMP",0	;PIC2
		DB	"N4.BMP",0	;PIC3

50kudos

#!/bin/bash

cat $(find app/assets/stylesheets/ -type f) |
grep -Eo '\.[a-z]+[a-z0-9_-]*' | sort | uniq | sed s/.// |

while read CSS; do
  if ! grep -Erqi "([^(remove|has)]?class[(:|=|[:space:]*=>[:space:]*)]*[[:space:]\W]*[(\"|')]*[-a-z0-9[:space:]]*$CSS|\\.$CSS\b)" app/views/ vendor/assets/ app/assets/javascripts/; then
    echo $CSS >> unused.scss;
  fi
done

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-module(third).
-export([maxThree/3,howManyEqual/3,eXOR/2]).

eXOR(X,Y) when is_boolean(X) andalso is_boolean(Y) ->
    case {X,Y} of
        {Y,X} -> false;
        _ -> true
    end.

maxThree(A,B,C) when is_integer(A) andalso is_integer(B) andalso is_integer(C) ->

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-module(four).
-export([fact/1,fib/1,pieces/1,tFib/1,perfect/1]).

fact(0) -> 1;
fact(N) when N>0 ->
    fact(N-1)*N.

fib(0) -> 0;
fib(1) -> 1;
fib(N) when N>1 ->

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-module(asm).
-export([perimeter/1, area/1, areaEnclose/1, perimeterEnclose/1, bits/1]).

%% Shapes
% I am so sure about the requirements, and assume:
%   1. By "smallest enclosing rectangle", means both[0]:
%      - Minimum-area enclosing rectangle
%      - Minimum-perimeter enclosing rectangle
%   2. It does not base on coordinate system.
%