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Medium 9781847770950

Strand, 1923

Neil Powell Carcanet Press Ltd. PDF
Medium 9780596004026

1.4. Language Syntax

Rasmus Lerdorf O'Reilly Media ePub
Medium 9780596808457

BUILD YOUR SOUND AND LIGHT MACHINE

Altman, Mitch Maker Media, Inc PDF

MAKE IT.

>>

start

BUILD YOUR SOUND

AND LIGHT MACHINE

Time: An Afternoon Complexity: Medium Easy

1. BUILD and test-PROGRAM THE PCB

The core of our electronics is the MiniPOV v3 kit. We’ll be referring to the kit’s website at ladyada.net/ make/minipov3.

1a. Follow the excellent instructions on the MiniPOV website to solder all the components to the included printed circuit board (PCB) except the following: LED1, LED2, LED3, LED4,

R5, R6. Go ahead and leave these

6 components out.

NOTE: In electronics-speak, soldering a component onto a PCB is called

“stuffing” it.

1b. Insert the 2 AA batteries into the battery holder and switch on. The microcontroller will run the MiniPOV firmware, and the 4 stuffed LEDs should light up.

1c. If the LEDs don’t light up, then debug. Are the batteries in correctly?

Check the power connections. Check for bad solder connections or solder bridges (shorts between 2 pads).

Check that all LEDs, and D1, D2, and

D3, are not stuffed backwards. Now we’ll change the MiniPOV’s firmware so you can learn how to use the development tools and see how easy it is.

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Medium 9781576750698

47. Schedule Periodic “How Goes It” Meetings

Debra Dinnocenzo Berrett-Koehler Publishers PDF

96

101 Tips for Telecommuters

When you’re ready to discuss shared office issues, first check to see if it’s a good time to interrupt your office/life partner. Schedule a meeting or a working lunch to discuss ways to more effectively work together. Think of one thing that you can suggest to improve the productivity of each of you.

T R A N S F E R

47

I T

P R O M P T L Y

T O

I M P R O V E

P E R F O R M A N C E

Schedule Periodic

“How Goes It” Meetings

Your commitment to work well with your family may include a number of focused efforts:

• Set clear expectations with family and friends (Tip 31)

• Reach agreements and resolve conflicts (Tip 42).

• Make necessary arrangements for family care (Tips 35, 39).

• Manage the logistics of your home and office (Tips 13, 33).

• Make time to celebrate milestones together (Tip 32).

In spite of these efforts, there may be just a few bumps in the road you take to telecommuting bliss. Why? Mostly because of two things: all of this involves people and change. Since few things stay constant and people need continual attention and nurturing, be prepared to review, revise, revisit, and renegotiate regularly. I suggest doing this during regularly schedule “how goes it” meetings with your family.

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Medium 9780596101992

20. Scripting HTTP

David Flanagan O'Reilly Media ePub

The Hypertext Transfer Protocol (HTTP) specifies how web browsers request documents from and post form contents to web servers, and how web servers respond to those requests and posts. Web browsers obviously handle a lot of HTTP. Usually, however, HTTP is not under the control of scripts and instead occurs when the user clicks on a link, submits a form, or types a URL. Usually, but not always: it is possible for JavaScript code to script HTTP.

HTTP requests can be initiated when a script sets the location property of a window object or calls the submit() method of a form object. In both cases, the browser loads a new page into the window, overwriting any script that was running there. This kind of trivial HTTP scripting can be useful in a multiframed web page but is not the subject of this chapter. Here we consider how JavaScript code can communicate with a web server without causing the web browser to reload the currently displayed page.

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