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Franz Wong

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Hong Kong Joined on Jan 10, 2020

Franz Wong

Sep 23

Using Java Native Access (JNA) to call MacOS API

#jna #macos #java

2 min read

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Franz Wong

Aug 24

Install pip offline

#python #pip

1 min read

Franz Wong

Aug 5

Fix "Cannot find a valid baseurl for repo" in CentOS

#centos

2 min read

Franz Wong

Jul 14

Mount share folder in QEMU with same permission as host

#qemu #9p

2 min read

Franz Wong

Apr 9

Lots of debug log is written after commons-logging is upgraded to 1.3.0

#log4j #logging #java

1 min read

Franz Wong

Sep 23 '23

Create and delete Digital Ocean droplet with curl

#digitalocean

2 min read

Franz Wong

Mar 31 '23

Add a Context Menu Item to Chrome Extension

#chrome #javascript

1 min read

Franz Wong

Feb 9 '23

ZonedDateTime and toLocalDate / toLocalTime

#java #time

1 min read

Franz Wong

Dec 24 '22

Runtime check on borrowing rule with RefCell

#rust #refcell

2 min read

Franz Wong

Aug 7 '22

Mock S3 for integration test

#java #aws #s3 #testing

2 min read

Franz Wong

Jun 11 '22

Outline text in GIMP

#gimp #tutorial

2 min read

Franz Wong

Jun 5 '22

Writing csv file with OpenCsv without capitalized headers and follows declaration order

#opencsv #java

2 min read

Franz Wong

Feb 18 '22

sed cookbook

#sed #tutorial #cookbook

5 min read

Franz Wong

Feb 12 '22

Set MacOS finder folder icon with Python

#python #cocoa #macos

1 min read

Franz Wong

Feb 10 '22

Add Hongkong Post Root CA certificate to Java keystore

#java #tls #keystore #security

1 min read

Franz Wong

Feb 1 '22

Monitor Java application with prometheus

#prometheus #java #tutorial

2 min read

Franz Wong

Oct 1 '21

Time change in daylight saving

#timezone #utc #daylightsaving

2 min read

Franz Wong

Jun 7 '21

Set different email address for multiple git repositories

#git

1 min read

Franz Wong

Jun 5 '21

Wait for completion of all tasks with Java Phaser

#java #concurrency

1 min read

Franz Wong

Dec 27 '20

Stupid but common security vulnerability in web app

#api #rest #security

2 min read

Franz Wong

Nov 23 '20

Process large json with limited memory

#json #gson #java

2 min read

Franz Wong

Nov 22 '20

Basic regular expression in different languages

#regex #regularexpression

1 min read

Franz Wong

Oct 31 '20

Replace method with JavaParser library

#java #javaparser

3 min read

Franz Wong

Oct 4 '20

Excel tips - lock column and row in formula

#excel

1 min read

Franz Wong

Sep 19 '20

View last change of a file in git without knowing the hash

#git #diff #tutorial

2 min read

Franz Wong

Sep 5 '20

Storing phone number

#softwaredesign #phonenumber #libphonenumber

1 min read

Franz Wong

Sep 5 '20

Access host's docker from container

#docker #tutorial

1 min read

Franz Wong

Aug 4 '20

KDB cookbook

#kdb

2 min read

Franz Wong

May 22 '20

Fix "cannot 'squash' without a previous commit" for Git

#git

1 min read

Franz Wong

May 17 '20

HowTo: Implement user sign up and login with AWS Cognito

#aws #cognito #userpool

3 min read

Franz Wong

May 17 '20

Support API versioning with Lambda function and API gateway

#aws #lambda #apigateway

2 min read

Franz Wong

May 4 '20

Setup kdb+tick with Java feed handler

#kdb #q #feedhandler

3 min read

Franz Wong

Jan 28 '20

Validate Javascript project with Typescript

#javascript #typescript

1 min read

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