iOS Support Matrix
With the new iPhone 5S and 5C, it is again a milestone in iOS devices.
My Dev Notes
Figuring out software, one rabbit hole at a time.
Archive
Page 16 of 19Where to store CoreData sqlite file - and avoid Apple App review rejection
I seems to be getting Apple app review rejection every time I sumbit an app update. This time, it is about my use of UIFileSharingEnabled.
How to pass a variable into a callback function in Node.js
Because Node.js works asynchronously, things might not work as you think, if you are still stuck in the synchronous world..
Simple HTTP GET/POST Request in Node.js
This is a simple tutorial using mikeal’s super-simple-to-use request library.
Getting started with node.js scripting
This is a very small getting started guide for myself, when once-in-a-while I will write some node scripts.
Auto-renewable Subscription will expire much quicker in sandbox environment
One mistake I had when implementing Auto-renewable Subscription (a kind of In-app purchase) is not understanding how the sandbox environment works.
iTunes File Sharing - Expose Documents Directory
iOS introduced a way for users to transfer files from an app to a computer via iTunes.
A Python Tool to extract email
Recently I was requested by my fiancee to help send bulk SMS to her students. Its an emergency relay.
WWDC 2013 - download sessions directly
Unlike in previous years (WWDC 2012 and earlier), the developer session videos can be subscribed in iTunes University, hence you can easily download all the videos and convenien...
iOS Data Storage Guidelines - and how to resolve iTunes Connect Reject
Since the introduction of iCloud Backup, developers have increasingly faced the following reason for rejected binary:
Crash when using ChartboostInterstitialCustomEvent in MoPub: unrecognized selector requestAdWithSize
While integrating Chartboost into MoPub for an iOS app, I encountered a crash every time there is a Chartboost ad loading.
Remember to enable iAd for new iOS apps after uploading binary
You can enable iAd network ONLY when your app is in an editable state. That is after uploading binary and before being approved.
Fix rake error: You have already activated rake x.x.x
I encountered the following error when I try to create a new post in Octopress:
Fix cocoapod error: the platform of the target pods is not compatible
While using Cocoapod and running pod install, I encountered the following error:
Mac Right Click using Keyboard Shortcut
If you to be more efficient with computers, you must use the keyboard more than the mouse.
Using OpenCV to match template multiple times
OpenCV has a matchTemplate function that let you seach for matches between an image and a given template.
armv7s build for tesseract and opencv2
Tesseract is the OCR engine that helps to recoginze text. Google now maintains the project.
Extract YouTube Video Links - Github Project
I have create youtube-parser, a small node.js app to extract youtube video links from Youtube.com.
Show hidden files in Finder for Mountain Lion
You can show hidden files in Finder on your Mountain Lion (or any Mac OS).
Find all .git in a directory
To find all the git repositories in a directory, you can run the following command (which search for the .git directories):
New Theme for Octopress
I have changed the classic Octopress theme to this cleaner greyshade theme by Shashank Mehta.
Where is global gitignore?
I made a commit to a git repos and broke the build.
Android use-feature element is case sensitive
In the previous post, I discussed about how to Google Play manage compatibility between your app and devices.
Why an Android app is not supported for a particular device?
This is what happend to my Android app.
What is the replacement for iOS UDID?
Apple has long announced uniqueIdentifier UDIDs would be deprecated. From 1st May 2013, Apple will reject apps that use the deprecated identifier.
Android Developement Refresher 2013
It has been nearly 3 years since I stopped Android development.
s3cmd broken pipe error (errno 32)
If you use s3cmd and encountered [Errno 32] Broken pipe as you try to put an object in a bucket, understand that this is a very very bad error message.
Migrate mongodb data from Dotcloud to MongoLab
Similar to how you transfer data away from Dotcloud, you can do the same for your mongodb database.
Transfer Away Dotcloud Data using FTP
If you have data on Dotcloud server that you want to transfer away via FTP directly, you can’t, because Dotcloud don’t provide FTP to the instances.