carfield.com.hk

duckdb.txt

2024-08-25T07:25:16Z

Operation Snippet
Pretty-printing floats SELECT (10 / 9)::DECIMAL(15, 3);
Copying the schema CREATE TABLE tbl AS FROM example LIMIT 0;
Shuffling data FROM example ORDER BY hash(rowid + 42);
Specifying types when reading CSVs FROM read_csv('example.csv', types = {'x': 'DECIMAL(15, 3)'});
Updating CSV files in-place COPY (SELECT s FROM 'example.csv') TO 'example.csv';

https://duckdb.org/2024/08/19/duckdb-tricks-part-1.html

docker.txt

2024-04-28T12:16:30Z

http://nordicapis.com/tools-built-on-top-of-the-docker-api/

让容器跑得更快：CPU Burst 技术实践 - https://www.infoq.cn/article/y2SeMvaJjgXJ9mBg9P00

https://levelup.gitconnected.com[..]-troubleshoot-docker-faster-8f9ab55dd419

kafka.txt

2023-11-04T12:00:33Z

A Practical Guide for Kafka Cost Reduction - https://leevs.dev/kafka-cost-reduction/ https://www.infoq.cn/article/zGb2m6e17hlmRDxViaNi

A new children's book / illustrated guide to Apache Kafka - http://www.gentlydownthe.stream/

socket.receive.buffer.bytes, with 100kB as the default - https://www.pepperdata.com[..]/kafka-optimization-four-best-practices/

How to create Kafka consumers and producers in Java - https://developers.redhat.com[..]reate-kafka-consumers-and-producers-java

Processing guarantees in Kafka - https://medium.com[..]cessing-guarantees-in-kafka-12dd2e30be0e

Apache Kafka Cheatsheet - https://www.javacodegeeks.com[..]-cheatsheet.html?utm_source=pocket_saves

markdown.txt

2022-05-28T13:30:24Z

Writing mathematical expressions - https://docs.github.com[..]matting/writing-mathematical-expressions https://www.infoq.cn/article/9ooV6u2HZbT0tYywoMMv

excel.txt

2022-05-04T07:47:50Z

Other than native excel library and CSV, look like we can just use tab (\t) to separate the columns: http://www.devx.com/Java/Article/31356/1954?pf=true

check cell value exist in another column - http://stackoverflow.com[..]olumn-and-then-get-the-value-of-the-next http://stackoverflow.com[..]in-column-a-contains-value-from-column-b

Remove duplication from Excel - https://www.freecodecamp.org[..]in-excel-delete-duplicate-rows-tutorial/

aws.txt

2022-04-15T13:47:41Z

s3 tutorial - https://www.javacodegeeks.com/2017/03/amazon-s3-tutorial.html

How to Create an AWS EC2 VM - https://mydeveloperplanet.com[..]m/2021/06/09/how-to-create-an-aws-ec2-vm

Sample of running "gem" to build:


sudo amazon-linux-extras install ruby2.6  // use sudo amazon-linux-extras list to check the exact name
sudo yum -y install ruby-devel
sudo yum -y groupinstall 'Development Tools'
gem install fluent-plugin-s3 --no-document

Infrastructure as Code - Full Course - https://www.freecodecamp.org/news/what-is-infrastructure-as-code/

Insane AWS Lambda Speed Up (Java) - https://codingcraftsman.wordpress.com[..]2/03/25/insane-aws-lambda-speed-up-java/

json.txt

2022-01-28T11:21:39Z

How can i remove the red background color from comments ? - https://www.reddit.com[..]n_i_remove_the_red_background_color_from

citrix.txt

2021-09-28T14:43:23Z

[WFClient]
CPMAllowed=Off
VSLAllowed=Off
UpdatesAllowed=Off
OutBufCountHost=118
OutBufCountHost2=118
OutBufCountClient=118
OutBufCountClient2=118
OutBufLength=512
PersistentCacheEnabled=On
MouseTimer=200
KeyboardTimer=50

[*APP*}
MaximumCompression=On
Compress=On
ZLMouseMode=1
ZLKeyBoardMode=1

http://www.vmwareinfo.com[..]ix-xendesktop-ica-optimizations-and.html

Dual monitor in mac os x - https://discussions.citrix.com[..]s-with-citrix-viewer-on-mac-os-catalina/

middleware.txt

2018-04-22T14:40:03Z

消息中间件选型时，要关注哪些问题？ - https://mp.weixin.qq.com[..]aec0633df928432ceed6438a724dd217624cd#rd

git.txt

2016-11-09T07:36:35Z

Solve "unable to get local issuer certificate”, git config --global http.sslVerify false - http://stackoverflow.com[..]-issuer-certificate-using-git-on-windows

webservice.txt

2016-10-26T10:57:16Z

Generating stub for .NET webservices from wsimport

java -Djavax.xml.accessExternalDTD=all -Djavax.xml.accessExternalSchema=all -Dhttp.proxyHost=proxyhost -Dhttp.proxyPort=8080 -Dhttp.nonProxyHosts="10.0.0.0|*.pc.internal.xxx.com" -classpath "c:\Program Files\Java\jdk1.8.0_102\lib\tools.jar" com.sun.tools.internal.ws.WsImport -b http://www.w3.org/2001/XMLSchema.xsd -b customization.xjb http://xxx.com/service?wsdl

hadoop.txt

2015-12-24T02:12:45Z

Typical Linux setup - http://www.michael-noll.com[..]oop_On_Ubuntu_Linux_(Multi-Node_Cluster) http://www.thegeekstuff.com[..]/2012/02/hadoop-standalone-installation/ http://hadoop.apache.org[..]utorial.html#MapReduce+-+User+Interfaces

SQL interface - https://www.ibm.com[..]orks/opensource/library/os-mapreducesql/

The components and their functions in the Hadoop ecosystem - http://nosql.mypopescu.com[..]d-their-functions-in-the-hadoop?ef125c00

How to due with small files - http://www.cloudera.com/blog/2009/02/02/the-small-files-problem/

HDFS Vs KFS - http://www.nabble.com/HDFS-Vs-KFS-tt19089077.html

RealTime - http://www.nabble.com/realtime-hadoop-tt18078957.html http://www.nabble.com[..]or-the-Masses--tt17581830.html#a17581830

Difference between joining and reducing - http://markmail.org/message/2hvv2ax6h7k5svxo

Multiple artifact sets and privacy - http://markmail.org/message/kklzfkfbh7jegpmp

Scaling Hadoop to 4000 nodes at Yahoo! - http://developer.yahoo.net[..]8/09/scaling_hadoop_to_4000_nodes_a.html

Basic - http://storageconference.org/2010/Papers/MSST/Shvachko.pdf http://mycloudresearch.wordpress.com[..]s.com/2012/03/14/simple-hadoop-overview/ http://www.javacodegeeks.com[..]reduce-questions-and-answers-part-1.html http://www.javacodegeeks.com[..]reduce-questions-and-answers-part-2.html

Using R - http://www.infoq.com[..]tributed-Data-Analysis-with-Hadoop-and-R http://www.slideshare.net[..]ting-started-with-r-hadoop-chug-20120815

Links to tutorials for a lot of difference frameworks - http://blog.matthewrathbone.com[..]ck-guide-to-hadoop-map-reduce-frameworks

http://hortonworks.com/blog/windows-explorer-experience-hdfs/

http://hadoopecosystemtable.github.io/

scala.txt

2015-11-13T16:19:54Z

Nice guide for sbt - http://grosdim.blogspot.hk/2013/01/quick-sbt-tutorial.html

ldap.txt

2013-03-27T06:50:14Z

Active directory common fields - http://www.kouti.com/tables/userattributes.htm http://technet.microsoft.com[..]/en-us/library/aa996205(v=exchg.65).aspx

Concept of LDAP - http://kenttongmo.blogspot.com.au[..]/2013/03/basic-concepts-of-openldap.html

opentsdb.txt

2012-05-20T08:44:32Z

http://assets.en.oreilly.com[..]Series%20Database%20Presentation%201.pdf

spaces.txt

2012-03-25T01:32:20Z

Compare of Oracle Coherence and GigaSpace XAP - http://www.theserverside.com[..]03&asrc=EM_NLN_7777299&uid=703565#310060

Best developer tool in the cloud - http://blog.codecentric.de[..]/01/best-development-tools-in-the-cloud/

putty.txt

2011-10-12T17:03:22Z

Use putty as library - http://marknelson.us/2011/10/11/automating-putty/

TibcoRv.txt

2011-05-06T00:20:40Z

Collection of tutorials - http://javarevisited.blogspot.com[..]11/05/tibco-tutorials-for-beginners.html

Blog about Tibrv architecture http://narencoolgeek.blogspot.com[..]t.com/2006/01/tibco-rv-vs-tibco-ems.html

Compare RV and EMS - http://eai.ittoolbox.com[..]when-to-chose-between-rv-and-ems-3206005

FAQ - http://arun-tibco.blogspot.com/2010/09/tibco-rv-faqs.html http://javarevisited.blogspot.com[..]tibco-rv-interview-question-as-part.html

http://javarevisited.blogspot.com[..]/01/tibco-tutorial-tibrv-errors-and.html

checking connection problem - http://javarevisited.blogspot.com[..]ix-protocol-tutorial-fix-session-is.html

Difference of rvrd and rvd, rvrd can route outside local network - http://eai.ittoolbox.com[..]al-functional/tibco-l/rvd-vs-rvrd-124808 http://javarevisited.blogspot.com[..]o-tutorial-rvd-rendezeous-daemon-vs.html

About RV dataloss scenerio - http://javarevisited.blogspot.com[..]taloss-advisory-in-tibco-rendezvous.html

kinect.txt

2011-01-15T02:10:13Z

Coding in Kinect - http://www.switchonthecode.com[..]om/tutorials/kinect-tutorial-hacking-101

as400.txt

2010-03-11T06:21:23Z

java toolbox FAQ - http://www-03.ibm.com/systems/i/software/toolbox/faq.html

bible of AS400 - http://www.redbooks.ibm.com[..]4r5/ic2924/index.htm?info/rzahgictoc.htm
CRTLIB - create library
CRTSRCPF - Create Source Physical File
WRKMBRPDM - work with members using PDM
STRACMS - SCM ( aldon lifecycle manager for iseries )
QSQLSRC - Source File for create table
WRKSPLF - check Job status
STRJRNPF - start Journal a change of a file to another - http://publib.boulder.ibm.com[..]r2/ic2928/index.htm?info/cl/strjrnpf.htm
DSPFFD, UFFD - check table schema, Display File Field Description (DSPFFD)
WRKOBJ - find object under a library, e.g. : wrkobj qgpl/rst* *file
CHGCURDIR - ction or command e.g. : CHGCURDIR dir('$DEVKW3')
DSPFD - show journal status of the file
SBMBENJOB - submit ben job
DSPSYSVAL SYSVAL(QTIME)
WRKJOB Q_JREIS
STRISDB - start debugger, e.g. : CALL PGM(*LIBL/CLRS_LST) PARM( '/HOME/ISCY1/' 'RSTLSTTAK' '1.6')
edtlibl - edit library list

common library for code - $PRDSRCBEN/QCSRC $PRDSRCBEN/H $PRDSRCBEN/QCBLLESRC $PRDSRCBEN/QCBLSRC $PRDSRCBEN/QDDSSRC
common library for sql - $PRDOBJBEN , $REFDTAREP
common library for script - $PRDSRCBEN/QTXTSRC

$PRDSRCBEN/QCSRC
COSOMSVAL

F23=more options (shift + F11 = F23)
F24=More keys
F4 = drop down kind of prompt

6:57:06 PM: Carfield W Yim/: hi... just get distracted by a call... now I created a member.... then I edit it and put the create table scripts there. However, it only allow me to put 18 lines, is that normal?
6:57:52 PM: Srikanth X Krishnaswamy/: type in the letter 'I' followed by 10 in the first column- inserts 10 lines
7:15:26 PM: Srikanth X Krishnaswamy/: Nope; I10 on the line that says 0018.00; start from the first 0

Global search

3:44:08 PM: Srikanth X Krishnaswamy/: wrkmbrpdm
3:44:29 PM: Srikanth X Krishnaswamy/: use the right source ($vvv/bbb) for example
3:44:57 PM: Srikanth X Krishnaswamy/: Option 25, hit F13 to replicate this option on all source members
3:47:36 PM: Carfield W Yim/: and how to run F13?
3:50:56 PM: Srikanth X Krishnaswamy/: shirt+F1

5:42:01 PM: Srikanth X Krishnaswamy/: Connection > Configure > 27x132 columns

visual studio.txt

2010-03-09T01:47:59Z

Type >of followed by a space, then begin the name of the file you are looking for. - http://www.alteridem.net[..]uickly-findopen-a-file-in-visual-studio/

virualbox.txt

2010-01-22T06:22:50Z

Use VBoxManage for all the tasks

$ /usr/bin/VBoxManage createvm --name Debian5 –register //The VM created is an XML file located in your home directory: ~/.VirtualBox/Machines/Debian5/Debian5.xml.

$ /usr/bin/VBoxManage createhd --filename Debian5.vdi --size 4000 --variant Fixed // created under ~/.VirtualBox/HardDisks/Debian.vdi 4GB (4,000MB) in size and with fixed size (non-expanding).

$ /usr/bin/VBoxManage storagectl Debian5 --name "IDE Controller" --add ide --controller PIIX4

$ /usr/bin/VBoxManage storageattach Debian5 --storagectl "IDE Controller" --port 0 --device 0 --type hdd --medium Debian5.vdi

$ /usr/bin/VBoxManage storageattach Debian5 --storagectl "IDE Controller" --port 0 --device 1 --type dvddrive --medium /ISO/debian-40r3-i386-netinst.iso

$ /usr/bin/VBoxManage modifyvm Debian5 --nic1 bridged --cableconnected1 on --bridgeadapter1 eth0

$ /usr/bin/VBoxManage startvm Debian5

http://www.linux-mag.com/id/7673

vlc.txt

2009-09-30T09:12:57Z

http://www.unixmen.com[..]s-you-didnt-know-vlc-media-player-can-do

oracle.txt

2009-09-24T14:10:08Z

ubuntu.txt

2009-07-05T18:18:18Z

Performance tuning - http://ubuntuforums.org/showthread.php?t=1152095

Speed up ext4 - http://blog.smartlogicsolutions.com[..]to-improve-ext4-file-system-performance/