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Jeroen W. Pluimers on .NET, C#, Delphi, databases, and personal interests

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Archive for the ‘Mac’ Category

How to start up your Mac in Internet Recovery Mode

Posted by jpluimers on 2019/09/13

When all else fails: [WayBackHow to start up your Mac in Internet Recovery Mode.

Command-Option-R is one of the plethora of keyboard tricks you can use during boot:

Some Mac features are available by holding down certain keys during startup.

[WayBackStartup key combinations for Mac – Apple Support

 

Hold during startup Description
Shift ⇧ Start up in Safe Mode.
Option ⌥ Start up to Startup Manager.
C Start up from a bootable CD, DVD, or USB thumb drive (such as OS X install media).
D Start up to either Apple Hardware Test or Apple Diagnostics, depending on which Mac you’re using.
Option-D Start up to either Apple Hardware Test or Apple Diagnostics over the Internet.
N Start up from a compatible NetBoot server.
Option-N Start up from a NetBoot server using the default boot image.
Command (⌘)-R Start up from OS X Recovery.
Command-Option-R Start up from OS X Recovery over the Internet.
Command-Option-P-R Reset NVRAM. Release the keys after you hear the startup sound again.
Command-S Start up in single-user mode.
T Start up in target disk mode.
X Start up from an OS X startup volume when the Mac would otherwise start up from a non-OS X startup volume.
Command-V Start up in verbose mode.
Eject (⏏), F12, mouse button, or trackpad button Eject removable media, such as an optical disc.

Read the rest of this entry »

Posted in Apple, Mac, Mac OS X / OS X / MacOS, MacBook, MacBook Retina, MacBook-Pro, OS X 10.11 El Capitan, OS X 10.9 Mavericks, Power User | Leave a Comment »

Signal messaging downloads

Posted by jpluimers on 2019/08/23

I forgot about the announcement that Signal had also become available on the Desktop, but it is via [WayBack] https://signal.org/download/:

  • Mac
  • Windows
  • Debian based x64 Linux:

$ curl -s https://updates.signal.org/desktop/apt/keys.asc | sudo apt-key add -
$ echo "deb [arch=amd64] https://updates.signal.org/desktop/apt xenial main" | sudo tee -a /etc/apt/sources.list.d/signal-xenial.list
$ sudo apt update && sudo apt install signal-desktop

I like the mix of echo and tee to update the [WayBack] /etc/apt/sources.list.d folder with the signal-xenial.list file.

These links will always give you the latest download filename:

The files you get there will be relative to the path https://updates.signal.org/desktop/ so will be similar to:

You can get the sources at https://github.com/WhisperSystems/Signal-Desktop/releases

Via:

–jeroen

Posted in *nix, Android Devices, Apple, Debian, iMac, iOS, iPhone, Linux, Mac, Mac OS X / OS X / MacOS, MacBook, MacBook Retina, MacBook-Air, MacBook-Pro, MacMini, macOS 10.12 Sierra, Power User, Windows | Leave a Comment »

Inactive GUI applications: click once or twice to perform an action within the application

Posted by jpluimers on 2019/08/07

When an application is inactive, you have to click it at least once to activate it, but sometimes click twice to actually perform an action.

In the past, there were more applications requiring it, even User Interface or Human Interface guidelines explaining the difference.

Nowadays, most of these guidelines have become hard to find, but luckily some of them have been archived in the WayBack machine.

They all come down to this:

An action in an application can be disruptive, especially when there is no confirmation step for it.

Clicking an application over the area that invokes such a disruptive action, without the user realising it can have adverse consequences.

Some links for further reading:

 

Enabling Click-Through

An item that provides click-through is one that a user can activate with one click, even though the item is in an inactive window. (To activate an item that does not support click-through, the user must first make the containing window active and then click the item.) Although click-through can make some user tasks easier, it can also confuse users if they click items unintentionally.

Click-through is not a property of a class of controls; any control, including toolbar items, can support click-through. This also means that you can support click-through for any subset of items; you don’t have to choose between supporting click-through for all items in a window or none. Follow the guidelines in this section so that you can support click-through when it’s appropriate.

Avoid providing click-through for an item or action whose result might be dangerous or undesirable. Specifically, avoid enabling click-through for an item that:

  • Performs a potentially harmful action that users can’t cancel (for example, the Delete button in Mail)
  • Performs an action that is difficult or impossible to cancel (such as the Send button in Mail)
  • Dismisses a dialog without telling the user what action was taken (for example, the Save button in a Save dialog that overwrites an existing file and automatically dismisses the dialog)
  • Removes the user from the current context (for example, selecting a new item in a Finder column that changes the target of the Finder window)

Clicking in any one of these situations should cause the window that contains the item to be brought forward, but no other action to be taken.

In general, it’s safe to provide click-through for an item that asks the user for confirmation before executing, even if the command ultimately results in destruction of data. For example, you can provide click-through for a delete button if you also make sure to give users the opportunity to cancel or confirm the action before it proceeds.

Think twice before supporting click-through for items that don’t provide confirmation feedback. Specifically, consider how dangerous the action might be, and determine how difficult it will be for the user to undo the action after it’s performed. For example, the Mail Delete button does not provide click-through because it deletes a message without asking for confirmation, which is a potentially harmful action that can be difficult to undo. On the other hand, click-through for the New button in Mail is fine because its resulting action is not harmful and is easy to undo.

Ensure that items that don’t support click-through appear disabled when their window is inactive. The disabled appearance helps users understand that these controls are unavailable. For example, the Delete and Mark as Junk buttons in the inactive Mail window shown below don’t support click-through.

An inactive window with controls that support click-through

–jeroen

Posted in Apple, Classic Macintosh, Development, Mac, Mac OS X / OS X / MacOS, Power User, Software Development, Usability, User Experience (ux), Windows | Leave a Comment »

Reminder to self: MacOS prints to HP printers using IPP on port 631

Posted by jpluimers on 2019/07/12

At a site, something in the network filtering changed, so printing from a Mac failed.

In the end this was about port 631, which is for the IPP protocol a Mac uses.

jeroen

Posted in Apple, Mac, Power User | Leave a Comment »

ms office – Keyboard shortcut to select all text in a cell in Excel – Ask Different

Posted by jpluimers on 2019/06/10

Via [WayBack] ms office – Keyboard shortcut to select all text in a cell in Excel – Ask Different a few keyboard tips.

Lets start with the shortest one:

  1. Put the focus on the cell (click, use arrow keys, etc)
  2. Press space
  3. Press CommandZ or ControlZ to undo the change

This probably is unintended, but works great: all text is now selected, so you can copy/cut with Command-C/CommandX.

Now the “official” way:

  1. Put the focus on the cell (click, use arrow keys, etc)
  2. Press ControlU or F2 to edit the cell (the cursor is now at the end)
  3. Press ShiftAltHome or ShiftControlHome (to select all text)
    note: Home can also be FnLeft.

Other selections you can make while the cell is in edit mode:

  • Press ShiftAltEnd or ShiftControlEnd (to select to the end of the cell)
    note: End can also be FnRight.
  • Press ShiftAltRight or ShiftControlRight (to select one word to the right)
  • Press ShiftAltLeft or ShiftControlLeft (to select one word to the left)
  • Press ShiftAltDown or ShiftControlDown (to select to the same position on the line below)
  • Press ShiftAltUp or ShiftControlUp (to select to the same position on the line up)

Keyboard symbols (more at [WayBackCommand, Option, & Shift Symbols in Unicode):

  • Shift
  • ^Control
  •  – Alt which is the same as Option
  •  – Command
  • Fn – Function

–jeroen

Posted in Apple, Excel, Mac, Mac OS X / OS X / MacOS, MacBook, MacBook Retina, MacBook-Air, MacBook-Pro, MacMini, macOS 10.12 Sierra, Office, Office 2011 for Mac, Power User | Leave a Comment »

 
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