Enable Airdrop Between iPhone and Mac

There used to be no easy way to transfer files from your iPhone to your Mac unless you email yourself the file or otherwise connect your iPhone to your Mac.

As of recently, however, AirDrop supports connectivity from your Mac to your iPhone.

To enable AirDrop from your Mac to your iPhone simply follow these instructions.

  1. Click on Finder and click on AirDrop under Favorites
  2. Click on “Allow me to be discovered by: Everyone”enable airdrop between iphone and mac

You must now do the same on your iPhone.

  1. Swipe up from the bottom of the screen
  2. Click on the AirDrop icon to enable it

    enable airdrop between mac and iphone

Now you should be able to select photos from the Photos app and share it via AirDrop by clicking the sharing icon.

Additionally, if you want to send photos from your Mac to your iPhone you can do it via AirDrop in Finder under Favorites.


How To Disable Trackpad On Mac

Hidden in the Mac’s accessibility preferences there is an option to disable the Mac’s internal trackpad when you have another trackpad plugged in.

If you have a third party trackpad this feature can come in useful in order to prevent your cursor from moving if you mistakenly press the internal trackpad while typing.

To disable the trackpad on your Mac

  1. Open up system preferences
  2. Select the section titled “Accessibility”
  3. Scroll down to the Mouse & Trackpad section
  4. In the Mouse & Trackpad section toggle the checkbox titled “ignore built-in trackpad when mouse or wireless trackpad is present”

how to disable mac trackpad

The change will take place immediately. Simply plugin or connect your external trackpad and the internal one will be turned off.

Best External Hard drives For Mac

Seagate Backup Plus Slim 1TB Portable External Drive

The Seagate Backup Plus Slim is an excellent choice for an external hard drive for your Mac. As the name implies, the drive is pretty slim which makes it easy to carry anywhere. The price is also pretty slim sitting under $100 if you shop around online. Seagate also offers 2 years of 200 GB of cloud storage on OneDrive if you would like to have your files accessible from anywhere.

LaCie Porsche Design P’9233 External Drive

If you have a large amount of data to backup then the LaCie Porsche Design P’9233 offers a large amount of storage at a cheap price. For under $200 you get 5 TB of space for your files. It also supports USB 3.0 which means having to wait less of your files to finish syncing. You should have Mac OS X 10.5 or later according to the manufacturers specifications.

Toshiba Canvio Slim II 1TB Portable External Hard Drive

Also pretty cheap going for around $60 on Amazon.com, the Toshiba Canvio Slim II offers 1 TB of local storage and a lifetime of 10 GB of free cloud storage. That’s a pretty sweet deal considering most cloud storage providers charge monthly. Another interesting feature is that it supports both Mac and Windows without having to reformat the drive between platforms. It also lets you backup items from your mobile devices via their mobile application.

Mac OS X Spotlight Search Shortcut

This shortcut is sure to boost your productivity on your Mac. If you constantly search for files using Spotlight then clicking the corner icon can take a few seconds. These few seconds repeated every few hours every day can add up to a big chunk of time

spotlight search shortcut

To open up Spotlight search in an instant simply press
command-space bar together

mac spotlight shortcut

Flush DNS Cache in Mac OS X

If you are a system admin and are having problems with DNS records being outdated locally, you might need to flush your DNS cache for domain changes to take effect.

The steps to flush your DNS cache are as follows:

  1. Open up terminal
  2. Type in:
    sudo dscacheutil -flushcache; sudo killall -HUP mDNSResponder; say cache flushed

flush dns cache mac os x

Your DNS cache will now be flushed.

What Is Keychain Access

Keychain Access is where Safari and other applications within the Mac store your passwords and other credentials securely. Storing user credentials poses a risk as malware would be able to access and read your passwords if they were stored as plain text.

In order to counter this risk, Apple created Keychain Access as an intermediary between applications and your passwords. Keychain Access stores all passwords in encrypted form. When an application wishes to access one of your passwords to pre-fill it for your convenience (such as is the case with Safari) it must ask Keychain Access for the value of the given field.

Overall, Keychain Access is simply a gatekeeper / password manager inside your Mac. You should be careful when you delete entries from it as you could potentially delete passwords that you no longer remember.

keychain access

How To Delete iMessage History On A Mac

In order to clear your iMessage chat history in Mac OS X you will need to get a little clever with the Terminal app.

As of this date the iMessage app does not natively have an option to clear all of your chat logs unless you go through and delete each one manually. However, with some clever terminal commands you can still clear the whole iMessage history at once.

  1. Press command-space bar and type in Terminalopen terminal spotlight
  2. Open Terminalopen terminal
  3. Type in:
    rm -r ~/Library/Messages/chat.*clear iMessage chat history
  4. Quit and reopen iChat and your chat history should now be clearedmessages app cleared


Mac Shortcuts Cheat Sheet

The Basic Shortcuts

Save Shortcut


Copy Shortcut


Undo Shortcut


Quit App Shortcut


Minimize Window Shortcut

or to minimize all of the current app’s windows:

Sportlight Search Shortcut

command-space mar


The Writer Shortcuts

Select All Text Shortcut


Print Document Shortcut


Move Cursor To Next Word Shortcut

option-right arrow

Move Cursor To Previous Word Shortcut

option-left arrow
For more see Apple’s Shortcut Reference



Macbook Pro vs Macbook Air For College

Macbook Pro

  1. Heavier than Macbook Air
  2. Thicker than Macbook Air
  3. Comes with retina display
  4. Faster processor than Macbook Air
  5. More expensive than Macbook Air
  6. HDMI port for external displays


macbook pro


Macbook Air

  1. Lighter and more portable than Macbook Pro
  2. Thinner
  3. Does not come with retina display (as of November 2015)
  4. Decent processor for college tasks
  5. Cheaper for students on a budget
  6. Longer battery life for those long classes


macbook air




Macbook Pro Without Retina vs. With Retina

Having used both a retina and a non-retina Mac, I can testify as to the pros and cons of each. The following is a writeup explaining the difference between each screen type.


Retina Screen

  1. Graphics look much sharper
  2. Great for design work aimed at high resolution devices such as the new iPhone with retina display
  3. Better for gamers who want high resolution graphics
  1. Apps consume more hard drive space since the images are larger
  2. Some websites appear pixelated due to the fact that a web standard has not yet been defined for dealing with multiple resolution displays
  3. Websites that do deal with the retina issue might load slower as bigger graphics must be downloaded to account for the high resolution display
  4. Higher power consumption and less battery life


Non-retina Screen

  1. Graphics look okay
  2. More energy efficient
  3. Smaller apps
  1. Harder to design for retina screens
  2. Graphics will not render as sharp as on a retina display


While graphics do look a lot better in a retina display, most websites and even some apps have still not updated their graphics to work well with retina displays. For example, Microsoft Word looks pretty horrible on a retina display currently. In the case of word, I would much prefer to use it on a non-retina Macbook Pro than on a retina Macbook Pro.