Yunbo Lee yblee85
yblee85
/ increase_number_of_max_open_files
Created
May 27, 2015 16:50
Ubuntu, Increase number of max open files
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| edit /etc/security/limits.conf | |
| # non-root users | |
| * soft nofile 40000 | |
| * hard nofile 40000 | |
| # root users | |
| root soft nofile 40000 | |
| root hard nofile 40000 |
yblee85
/ GzipTest.java
Last active
January 11, 2024 12:50
java gzip convert string to gzip / gzip to string
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| package gzip; | |
| import java.io.BufferedReader; | |
| import java.io.ByteArrayInputStream; | |
| import java.io.ByteArrayOutputStream; | |
| import java.io.InputStreamReader; | |
| import java.util.zip.GZIPInputStream; | |
| import java.util.zip.GZIPOutputStream; | |
| public class GzipTest { |
yblee85
/ gist:fe57ed6e32c8d102d365
Last active
August 29, 2015 14:13
creating service in ubuntu 12.04
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| // origin : askubuntu.com (http://askubuntu.com/questions/351879/how-to-create-a-service-on-ubuntu-lts-12-04) | |
| // about upstart manual : http://upstart.ubuntu.com/cookbook | |
| Upstart scripts have to placed at /etc/init, ending with .conf. | |
| Basically they require 2 sessions: one to indicate when to start, and another with the command to exec. | |
| The easiest script to start with your sample is: | |
| # myprogram.conf |
yblee85
/ gist:832b82999a00768c28e7
Last active
March 16, 2016 20:37
Install CouchDB 1.6.1 on Ubuntu 14.04 (origin : pixelpark/ppnet)
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| # via http://wiki.apache.org/couchdb/Installing_on_Ubuntu | |
| sudo apt-get install --yes build-essential curl git | |
| sudo apt-get install --yes python-software-properties python g++ make | |
| sudo apt-get install -y erlang-dev erlang-manpages erlang-base-hipe erlang-eunit erlang-nox erlang-xmerl erlang-inets | |
| sudo apt-get install -y libmozjs185-dev libicu-dev libcurl4-gnutls-dev libtool | |
| # via http://ftp.fau.de/apache/couchdb/source/1.6.1/ | |
| cd /tmp |
yblee85
/ gist:0614f3021d21e2d47139
Created
January 8, 2015 23:24
FIx git error : object file is empty
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| error like this | |
| error: object file .git/objects/31/65329bb680e30595f242b7c4d8406ca63eeab0 is empty | |
| fatal: loose object 3165329bb680e30595f242b7c4d8406ca63eeab0 (stored in .git/objects/31/65329bb680e30595f242b7c4d8406ca63eeab0) is corrupt | |
| here you go. | |
| Step 1: Make a backup of .git (in fact I do this in between every step that changes something, but with a new copy-to name, e.g. .git-old-1, .git-old-2, etc.): |
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| { | |
| "analyzer": "class org.apache.lucene.analysis.standard.StandardAnalyzer", | |
| "etag": "136aa9854e3df", | |
| "fetch_duration": 0, | |
| "limit": 31, | |
| "plan": "BooleanQuery(TermQuery(desc_upc_cat_sup:koka,boost=1.0)+TermQuery(default:kola,boost=1.0)+TermQuery(locid:88c6b2ca7d76cc613907149e505c5eff,boost=1.0),boost=1.0)", | |
| "q": "desc_upc_cat_sup:koka +default:kola +locid:88c6b2ca7d76cc613907149e505c5eff", | |
| "rows": [], | |
| "search_duration": 0, | |
| "skip": 0, |
yblee85
/ gist:fb23b1867b0eea2f5d1a
Last active
August 29, 2015 14:01
JAVA multiline label html no border
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| // you can set border / cellpadding and other stuffs so that this content fits JTable or JLabel | |
| "<html><table width=\"115\"; border=\"0\"; cellpadding=\"0\"; cellspacing=\"0\"; margin-top=\"0\"; margin-bottom=\"0\"; padding=\"0\" \"><tr><td align=\"center\">" + work_hour + "</td></tr><tr><td align=\"center\"><font size=\"2\">" + startTimeAMPM + "~" + endTimeAMPM + "</font></td></tr></table></html>" |
yblee85
/ gist:de21b9530376048ae491
Created
May 8, 2014 16:10
JavaScript DateConvert AM PM to Military and Miltity to AM PM
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| function getDateObjectFromTimeOnlyPart(default_date, timeString) { | |
| // default_date : date object, timeString format "11:00" or "03:00 pm" | |
| var time = new Date(default_date); | |
| var hhmm = undefined; | |
| var ampm = undefined; | |
| if(_.str.contains(timeString.toLowerCase(), "m")) { | |
| // am/pm format ex) 04:00 am | |
| var timeStringArray = timeString.split(" "); | |
| hhmm = (timeStringArray[0]).split(':'); | |
| ampm = timeStringArray[1].toLowerCase(); |
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| /** GET TABLE COLUMN MODEL AND SET CELL RENDERER **/ | |
| Color LIGHT_BLUE = new Color(176, 196, 222); | |
| EmployeeDetailScheduleTableCellRenderer cellRenderer = new EmployeeDetailScheduleTableCellRenderer(LIGHT_BLUE); | |
| TableColumnModel tcm =tableListDetailSchedule.getColumnModel(); | |
| for(int i=2; i<=8; i++) { | |
| TableColumn tm = tcm.getColumn(i); | |
| tm.setCellRenderer(cellRenderer); | |
| } | |
| /** CREATE CELL RENDERER **/ |
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| //User Defined | |
| DateTimeZone dtz = DateTimeZone.forID("America/New_York"); | |
| //System Default TimeZone | |
| DateTimeZone dtzz = DateTimeZone.forID(TimeZone.getDefault().getID()); |