Populate a field based on other field in web2py

We can fill a field based on another field, for example to calculate/compute a total value.

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PureBasic 5.20 LTS

PureBasic v5.20 LTS released on September 15, 2013.

This Rockstar release is an LTS. As the Team stated:

We would like to thanks again all the beta testers who found tons a issues and all the help we got from various people, especially on the doc side ! This a LTS (Long Term Support) release, so it will be bug fixed for 2 years until 17th September 2015, while the command-set and compiler functions won’t be modified.
Have fun coding, The Fantaisie Software Team.

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Novel Agatha Christie, The Under Dog and Other Stories

Hari Minggu lalu saya iseng-iseng ke TB Gunung Agung. Terakhir saya ke toko ini mungkin sepuluh tahun lalu, biasanya ke toko buku lain. Kali ini karena kami makan siang tepat di sebelahnya.

Ternyata, koleksi bukunya menarik, ada beberapa buku Gramedia yang tidak dapat saya temukan di TB Gramedia, dan beruntung sekali saya menemukan satu novel karya Agatha Christie berjudul The Under Dog and Other Stories dalam bahasa aslinya, bahasa Inggris. Dan harganya sangat bersahabat 😀

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Fix Posterous WordPress Export Data Backup can not be imported

Fix Posterous WordPress Export Data Backup can not be imported

Posterous will turn off on April 30, 2013. Users are urged to request and download their backup data, available for WordPress. Detail information can be found at Posterous blog blog.posterous.com/thanks-from-posterous

But seems there’s bug in Posterous WP exporting files, at least in some backup files I’ve found, that prevent us to import the file into WordPress self-hosted (I don’t try on WordPress.com)

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PowerSaving: Programmatically send monitors to power saving mode

PowerSaving: Programmatically send monitors to power saving mode

This PowerSaving’s purpose is to set monitor (and computer) to Power Saving Mode programmically via Task Scheduler or batch file.

It is easy to set Power Saving Mode for 2-3 computers, but quite a hassle if we have to control many computers, for example: turn off/sleep monitors at 10pm, then activate them at 06am; in this situation PowerSaving can help. Just create Task Scheduler item to set sleep time and to wake up the monitor of each PC. Then just watch it works.

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How to check compression type by reading header file not by extension

How to check compression type by reading header file not by extension

Without the compression tool itself, we can identify the type of compression file by its extension, whether it’s a ZIP, RAR, 7Z, etc.

And the other way is by reading some bytes of the top part of the file. Each compression tool’s type has its own signature, usually in the first some bytes, which we can see if we open the file in Hex View as image above.

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