Along the way, Box covers the four corners of COM interfaces, classes, apartments, and security-all explained in developer's detail. If there's a book that will help you get a handle on the COM phenomenon, Essential COM is it.Įndorsed by object-orientation guru Grady Booch and Microsoft COM expert Charlie Kindel, Box's book takes the reader from an elucidating discussion of why a demand exists for COM and how it fits into the progression of C++ technology to a cool exhibition of some COM programs he's written. COM is the tool of choice for creating distributed and concurrent systems for modern Microsoft operating systems. Nonetheless, if you're a C++ programmer and you want your skills to continue to be relevant in a PC market dominated by Windows 95 and Windows NT, you need to get going down the path toward your own COM enlightenment. Don Box, the author of Essential COM concedes that it took him six months of reading documentation, writing programs, and experiencing general puzzlement before he had his personal COM epiphany. "The Component Object Model (COM) is deep and extremely difficult, making it impossible to grasp the ideas behind this specification quickly or easily. This is a PDF e-book of the Essential COM book, written by Don Box and published in 1998.
Connect your Hub to the Chromebook using the USB cable supplied with the SPIKE Essential Set Run the online updater. Install (if necessary) and open a Chrome Browser on the device and run the online updater at /HubOS.Connect your Hub to the device using the USB cable supplied with the SPIKE Essential Set. Find a Windows, macOS or Chromebook device. Hub updates are not currently possible using an iPad. Note: If you connect the Hub to your computer via Bluetooth, you will be prompted to reconnect it using the USB cable in order to complete the update. Using the USB cable supplied with the SPIKE Essential Set, connect the Hub to your computer. If you don’t have the app installed, use the online Note that all updates require a USB cable and the process differs depending on the device you are using. To update your hubs, simply follow the in-app guidelines that will appear when an update is needed.īelow, you can see how to perform hub updates on different devices. To avoid class-time disruption, we highly recommend that app and hub updates are done at the same time and before class. Hub updates are critical to maintaining your SPIKE Essential hardware and ensuring that your students benefit from the latest SPIKE Essential features, improvements, and fixes. After updating the LEGO ® Education SPIKE App, you might be asked to update your Hub.
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