Daniel J. Choi

Office 2007 MIME Types

Dev

Here’s a list of MIME Types for Office 2007 files (those pesky files extensions that end with an x). Useful for file type checking in web applications and the like.

  • .docm – application/vnd.ms-word.document.macroEnabled.12
  • .docx – application/vnd.openxmlformats-officedocument.wordprocessingml.document
  • .dotm – application/vnd.ms-word.template.macroEnabled.12
  • .dotx – application/vnd.openxmlformats-officedocument.wordprocessingml.template
  • .potm – application/vnd.ms-powerpoint.template.macroEnabled.12
  • .potx – application/vnd.openxmlformats-officedocument.presentationml.template
  • .ppam – application/vnd.ms-powerpoint.addin.macroEnabled.12
  • .ppsm – application/vnd.ms-powerpoint.slideshow.macroEnabled.12
  • .ppsx – application/vnd.openxmlformats-officedocument.presentationml.slideshow
  • .pptm – application/vnd.ms-powerpoint.presentation.macroEnabled.12
  • .pptx – application/vnd.openxmlformats-officedocument.presentationml.presentation
  • .xlam – application/vnd.ms-excel.addin.macroEnabled.12
  • .xlsb – application/vnd.ms-excel.sheet.binary.macroEnabled.12
  • .xlsm – application/vnd.ms-excel.sheet.macroEnabled.12
  • .xlsx – application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
  • .xltm – application/vnd.ms-excel.template.macroEnabled.12
  • .xltx – application/vnd.openxmlformats-officedocument.spreadsheetml.template

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How to Remove the Top Border from Drupal Tables

Dev

I’ve been very busy developing a couple projects over the past couple days, but here is a quick little trick to get around one of Drupal’s quirks. If you’re unfamiliar with Drupal, it’s a fantastic CMS (content management system) built on PHP and MySQL. For those blog-savvy among us, it is to general websites what WordPress is to blogs. I use Drupal to get sites up quickly and with great functionality, and I highly recommend it to anyone who is looking to build powerful, custom websites without “re-inventing the wheel.”

Anyway, Drupal has this strange quirk in its source that creates a small grey border on the top of tables inserted in a page’s content.  A quick trip to my inspector revealed how to remove the top border from Drupal tables.  Simply add the following line to your CSS.

body tbody { border-top: none; }

All there is to it. 🙂

PHP Sessions with AWS DynamoDB (SDK v3)

Dev

Lately, I’ve been undertaking a large-scale, back-office project to support our growing operations teams at Plastiq. The application started experiencing some hanging, which ended up being caused by native PHP session handling. I was able to fix the issue by swapping in AWS’s DynamoDB for session management and storage, and I thought it’d be helpful to document the steps I took.

More after the jump.

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How to install the PHP MongoDB driver on Amazon EC2

Dev

I recently found myself with the need to connect to a Mongo DB instance from a PHP application running on Amazon EC2.  The PHP docs led me to this MongoDB extension, which seemed to be a good fit for my needs.  Still, the matter of installation was a little bit less clear, considering that the EC2 instance was pretty barebones and lacked a fair number of the “standard” libraries that would enable this single line installation to work.

After a bit of finagling, I got everything to work via the steps I’ve outlined below.

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How to Wrap Text in a jQuery Mobile List

Dev

I’ve been doing some development in jQuery Mobile, and though it’s still in Alpha, it’s a great library. That said, there are still some serious bugs in it and some other less than ideal things happening. In any case, working with jQuery Mobile has certainly helped my debugging skills along.  🙂  One of the toughest issues that almost had me pulling out my hair was figuring out how to wrap text in a jQuery Mobile list.  Read on for the fix.

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© 2026 Daniel J. Choi

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My friends call me Dan.

Currently, building Recca.

Previously, co-founder @ Plastiq.

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