Dedetok: My Experience Notes

My Experience Notes These pages contain my experiences using technology. All of the works are working properly at the time when they wrote. You may use them for any purposes.

Friday, February 13, 2026

java: comparison between database api in java android and jdbc in java standard edition

Here is comparison between database api in java android and jdbc in java standard edition Operation Java Android Java SE (JDBC) INSERT Ret...

Android java: notification pattern code

add permission in project AndroidManifest.xml <manifest ...> <uses-permission android:name="android.permission.POST_NO...

Thursday, February 12, 2026

Android java: fragment pattern code

Fragment use just portrait for phone and w600 for tablet (bigger screen) for portrait (phone) <?xml version="1.0" encoding...

Saturday, February 7, 2026

Debian 13: removing kernel left over after kernel upgrade

wifi and some device require compile in debian depend on kernel version. this documentation is intended as a small guide to tidy up your sys...

Saturday, January 31, 2026

Debian 13: using unbound as DNS over https resolver in conjuction with NetworkManager and Systemd Resolved

Assume: NetworkManager and Systemd-Resolved already work Install unbound # apt-get install unbound Edit /etc/systemd/resolved.conf and ...

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