[Node.js] Module 'commander.js' for Easy Command Line Argument Handling

A quick pointer to commander.js, a handy Node.js module for CLI argument handling.

[Node.js] http.request with [Error: socket hang up] code: 'ECONNRESET'

Fixing Node.js's ECONNRESET socket hang up by switching from the http module to the https module for HTTPS requests.

[Parse.com] How to Send Push Notifications with REST API

curl commands for sending push notifications through the Parse.com REST API, grouped by use case.

[Android] IllegalStateException: Cannot add header view to list : setAdapter has already been called.

Call addHeaderView / addFooterView before setListAdapter to avoid IllegalStateException in ListFragment.

[Android] RuntimeException: Can't create handler inside thread that has not called Looper.prepare()

Fixing the Looper.prepare() crash caused by touching the UI inside AsyncTask#doInBackground — move UI work to onPostExecute.

[Android] Real-time Crash Report Auto-send Services Summary

A summary of real-time crash-reporting options for Android: Crittercism, BugSense, and ACRA.

[Android] RuntimeException on AsyncTask : NullPointerException on doInBackground

Wrap doInBackground in try/catch, return null on failure, and handle it in onPostExecute to stop AsyncTask crashes.

[Android] The Minimum API Level (OS Version) That an App Can Run On is Set with android:minSdkVersion

The lowest API level an Android app supports is configured via android:minSdkVersion.

[iOS] How to Create iPhone App's App Store Download Page URL Before Submission

Reference links for creating an iPhone app's App Store download page URL before submission.

[Android] About 'Marketing Opt-out' in Google Play Developer Console

What the 'Marketing Opt-out' option in the Google Play Developer Console means and when to use it.

[Android] Error Occurs During Twitter Authentication When Time is Not Set Correctly

A wrong device clock can break Android Twitter authentication with a null challenge error.

[Android] Facebook Authentication Error: com.facebook.FacebookOperationCanceledException: remote_app_id does not match stored id

Fixing the Facebook "remote_app_id does not match stored id" error by logging the correct Key Hash from the running Android app.

[Android] Command to Check the Contents of a Keystore File

A note on inspecting an Android keystore file's aliases and certificate fingerprints with the keytool command.

[Android] NoSuchMethodError with getActionBar()

To support Android 2.3, use ActionBarSherlock's getSupportActionBar() instead of getActionBar() to avoid NoSuchMethodError.

[Android] How to Remove/Unset Event Listeners

Clear an Android View's OnClickListener by calling setOnClickListener(null).

[Android] How to Play Videos in Official YouTube App with Explicit Intent

A working Intent for playing videos in the official YouTube Android app using the vnd.youtube: URI.

About JSONP Security

A memo on JSONP cross-domain security concerns with reference links.

[Android] How to Center TextView Text

Center TextView text horizontally with android:gravity="center_horizontal".

[iOS] Your Info.plist contains the UINewsstandIcon sub-property under CFBundleIcons, which is intended for use with Newstand feature. To include Newsstand features, the Info.plist must include the UINewstandApp=true Info.plist key.

How to resolve the UINewsstandIcon validation error when submitting an iPhone app via Xcode.

[iOS] Error "No application records were found."

Cause of Xcode's `No application records were found.` error when submitting an iOS app to the App Store.

[Android] How to Hide Action Bar

Hide the ActionBar in an Android Activity with a single getActionBar().hide() call.

[Android] Crouton - A Library for Easily Displaying Toast-like Notification Views

Introducing Crouton, an Android library for showing Toast-style notification views easily.

[Java] How to Cast ArrayList#toArray to String[]

A short snippet for casting ArrayList#toArray to String[] in Java.

[Android] How to Set Alert Dialog Title

Setting an AlertDialog title with AlertDialog.Builder.setTitle in Android.

[Android] How to Display Back Button in Action Bar to Return to Previous Activity

Reference links for adding an Up-navigation back button to the Android action bar.

[Git] Convenient Service gitignore.io for Easily Generating .gitignore Files

Generate project-ready .gitignore files by hitting the gitignore.io API with a simple curl command.

[Android] How to Implement Push Notification Feature Using Parse.com

Reference links for adding Parse.com-backed push notifications to an Android app.

[Android] Error "The project was not built due to incomplete build path."

Resolving Eclipse's "incomplete build path" error during Android development via Order and Export.

[Linux] Check Domain TXT Records with nslookup -q=txt Command

Use nslookup -q=txt to look up a domain's TXT records, including SPF.

[iOS] How to Disable NSLog Output in Release Builds

Disabling NSLog in iOS Release builds with a Prefix.pch macro guarded by the DEBUG flag.

[iOS] How to Disable/Prohibit Scrolling in UIScrollView and UITableView

Toggling UIScrollView and UITableView scrolling on and off with setScrollEnabled.

[iOS] Facebook Error: The Facebook server could not fulfill this access request: The app must ask for a basic read permission at install time.

Fixing the Facebook iOS SDK basic read permission error by requesting read permissions before publish.

[iOS] How to Set App Name

A reference link summarizing Info.plist keys for configuring iPhone/iPad app names.

[iOS] How to Embed External Fonts in Apps

How to embed external fonts in an iOS app, plus links for checking the default iOS fonts.

[Objective-C] Expected expression Error in switch Statement

Fixing an Expected expression error caused by declaring a variable inside an Objective-C case block.

[Xcode] How to Fix Archive Not Selectable Issue

Fixing a greyed-out Archive menu in Xcode 4 by switching the Scheme to iOS Device.

[Android][iOS] Push Notifications via REST API with Parse.com

A curl command example for pushing notifications to Android and iOS apps via the Parse.com REST API.

[iOS6] How to Limit Network Speed on iPhone Devices

Reference link for throttling network speed on an iOS6 iPhone device.

[Xcode][iOS] error: PCH file built from a different branch ((clang-425.0.27)) than the compiler ((clang-425.0.28))

Clearing the 'PCH file built from a different branch' Xcode error with a Clean and rebuild.

[Xcode] fatal error: file 'xxx' has been modified since the precompiled header was built 1 error generated.

Clearing the Xcode precompiled header error after replacing opencv2.framework with a Clean and rebuild.

[iOS][Twitter] About "via iOS" Display for Client App Names in Tweets Using Social.framework

How the "via iOS" label works with Social.framework tweets, versus tweeting via the Twitter API.

[iOS] Reachability - A Library for Checking Network Connection Status

A short intro to tonymillion/Reachability for checking network status in iOS apps.

[iOS] How to Fix Build Error After Editing Localizable.strings: "validation failed: The data couldn't be read because it has been corrupted."

The build error after editing Localizable.strings was caused by missing semicolons at end of lines.

[iOS] Survey of Libraries for Checking Network Connection Status

Comparing iOS reachability libraries surfaced by pod search Reachability.

[iOS] How to Display the Alert Dialog "Turn Off Airplane Mode or Use Wi-Fi to Access Data." / "データにアクセスするには、機内モードをオフにするか、Wi-Fiを使用して下さい。"

Add UIRequiresPersistentWiFi in Info.plist to show the Airplane Mode alert on iOS.

[iOS] How to Use TestFlight

A memo of reference articles I used for distributing iOS apps via TestFlight.

[iOS] How to Remove the Gloss Effect from App Icons

Set "Icon already includes gloss effects" to YES in Info.plist to remove the iPhone icon gloss.

[iOS] ISRefreshControl - A Library to Make UIRefreshControl Compatible with iOS5

Notes on ISRefreshControl, an iOS5 backport of UIRefreshControl.

[iOS] Setting maxConcurrentOperationCount for NSOperation to Limit Concurrent Threads

How to limit concurrent NSOperation threads by setting maxConcurrentOperationCount.

[Xcode] How to Set Copyright Notice Per Project

A pointer to a reference on setting the Xcode file header copyright notice per project.