Danny Kwok

There’s no box

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  • Sanity Test 101

    Sanity testing is a simple test to check run through the system to ensure that the feature is deployed properly. The aim of sanity test is to probe for key known failure points from an activity such as migration, system upgrade or new enhancement deployment. The question is how should sanity test be conducted and… Continue reading

  • Upgrading Dilemma

    During upgrading of system, you will be face with dilemma. This is mostly due to outdated support of system components or architectural changes. How should you handle the dilemma faced? Will this be showstopper to your upgrading project? Continue reading

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  • Geothermal in Singapore?

    There is an interesting news in Singapore lately on geothermal energy for sustainable energy. Looking at our geographic location, this sounds pretty far fetched. After all, Singapore only have a small “hot spring” at Sembawang. Moreover, there are no volcanic activities or hot spots underground. Is this a realistic choice of sustainable energy? Continue reading

  • Upgrade or Migrate to Cloud

    With strategic change of many software companies to cloud, organisations have two options for their aging applications. One, you have to upgrade to the latest version to extend their support life. Two, you migrate your application to cloud version. What will be your rational for these options? Continue reading

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  • Cloud Gateway 101

    Cloud gateway is going to be a standard cloud architecture design for secure applications. There are many flavors of gateways but we will seek to understand some of the basic ones and why we need it for a secure and resilient architecture. Continue reading

  • APEX REST Data Synchronisation to Local Table

    APEX has an interesting feature to let you synchronise your external REST API to local database. This helps in caching and logic processing in your APEX. You can easily enable this feature without coding. Continue reading

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  • Plan for Security Review

    Security review is a common process for new application. It can be time consuming and when security and application cannot align focus on a common ground. These are some tips where application team can preempt and prepare for security review. Continue reading

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  • Geolocation API

    Geolocation API is becoming a standard default feature for many applications. This is due to the proliferation of mobile devices. Browsers also comes embedded with geolocation capabilities on laptop. There are still user considerations if you want to implement geolocation API for your application. Continue reading

  • Upgrading 123

    Upgrading remains a major project for many on premise and legacy applications. It is really quite a pain and this is one reason why I favor Cloud platforms. In the meantime, I hope that I can do upgrading for the last time. These are some tips that the future may not be using for upgrading… Continue reading

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  • ORDS REST POST Insert

    ORDS (Oracle REST Data Services) REST is using POST for its INSERT SQL commands. You can setup ORDS POST insert quickly with these default settings. Continue reading