Tuan Anh

container nerd. k8s || GTFO

Pinboard tab sets

I didn’t know this feature exist until I install Pinboard’s official Chrome extension today. Basically, it will save all current open tabs as a tab set so you can reopen everything later. Very useful when you need to stop in the middle of doing research or stuff-alike.

Tabs in tab set will not be added to your bookmarks

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Nexus 5 and Android KitKat


Snip - another screenshot capture/annotation tool

Features: capture scrolling window (e.g. webpages), annotate screenshot, Retina-ready and a bunch of Chinese-users-oriented features.

Free on Mac App Store or direct download from QQ website.

Free OCR solution on OS X

Tesseract OCR is probably the best open source OCR engine available. It allows you to convert text from an image.

Install tesseract

I suppose you already have homebrew installed. If not, copy and paste this into Terminal.

ruby -e "$(curl -fsSL https://raw.github.com/mxcl/homebrew/go)"

Once you got homebrew, installing tesseract is as simple as brew install tesseract

Automate the process

tesseract accepts input as image. If you input is PDF, you will have to convert it to image first, perferably TIFF format. You probably will want to automate this process with Automator.

Fire up Automator and create a new application.

Search for the action “Render PDF Pages as Images” and drag it to the right. Change the format to TIFF and increase DPI to 300 (The higher, the better accuracy rate)

Search and drag action “Rename Finder Items” to the workflow on the right and change it as the following image. Remember to tick “Make all number 4 digits long” just to ensure the numbering is right if you got lots of pages in the PDF file.

Add action “Move Finder Items” to the workflow. Select your desired folder as you see fit.

Now, this is the part where where OCR begins. We will convert each image to text by passing each image to tesseract. We then will append the output to our output.txt file. Remember to change tesseract path according to your tesseract version number. (It’s 3.02.02 as of this post)

The last step in the script is removing the images and the buffered text files. It’s optional.

rm ~/Desktop/out.txt
for f in "[email protected]"
  /usr/local/Cellar/tesseract/3.02.02/bin/tesseract "$f" "$f"
  cat "$f.txt" >> ~/Desktop/out.txt
  rm "$f" "$f.txt"

The last step looks like this in Automator

Save this Automator workflow to Desktop or wherever you want.

Next time you need to OCR a PDF document, just drag and drop it over the application’s icon. The output text will be saved as output.txt on Desktop.

Flamingo for Mac

Beautiful, modern chat client for Mac from Indragie Karunaratne - creator of Sonora.

Flamingo supports Google Hangouts, Facebook and other XMPP services with many cool features such as: inline media, send file via Droplr/CloudApp and an unified contact lists.

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Amethyst - A tiling window manager for OS X

Tiling window manager for OS X similar to xmonad. Was originally written as an alternative to fjolnir’s awesome xnomad but written in pure Objective-C. It’s expanded to include some more features like Spaces support not reliant on fragile private APIs.

Simply the best tiling window manager for OS X I’ve found.

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Fixing Mac App Store error 100 when purchasing app

Follow the instructions above and I got it fixed. No idea why it happened in the first place.

To save you sometimes, just copy and paste those lines below in Terminal. Logout, login back and try purchasing an app again.

rm ~/Library/Caches/com.apple.appstore/Cache.db;
rm ~/Library/Preferences/com.apple.appstore.plist;
rm ~/Library/Preferences/com.apple.storeagent.plist;
rm ~/Library/Cookies/com.apple.appstore.plist
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An awesome Tumblr to follow.

Here’s one:


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An alternative to Yoink and DragonDrop. Yoink is still a better choice IMO; however Dropshelf has few cool features that are not available in Yoink such as multiple shelves; dragging to any edges.

Yoink has a great feature which I don’t know why none of the like-apps haven’t considered adding: “move window to mouse location where drag is initiated”. It helps a lot in reducing mouse cursor movement.

The last alternative, DragonDrop, on the other hand, is very buggy and use a rather ‘inconvinient’ method (shake the mouse cursor) for displaying the drop window. The last update of DragonDrop was almost a year ago (06 August 2012). I would not recommend you to buy this. Use Yoink or Dropshelf instead.

Direct Mac App Store link - $4.99.

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FileBot is the ultimate tool for organizing and renaming your movies, tv shows or anime, and music well as downloading subtitles and artwork. It’s smart and just works.

Require Java though.

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