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16. Scripting CSS

Slice ePub May 27, 2014

Cascading Style Sheets (CSS) is a standard for specifying the visual presentation of HTML documents. CSS is intended for use by graphic designers: it allows a designer to precisely specify fonts, colors, margins, indentation, borders, and even the position of document elements. But CSS is also of interest to client-side JavaScript programmers because CSS styles can be scripted. Scripted CSS enables a variety of interesting visual effects: you can create animated transitions where document content slides in from the right, for example, or create an expanding and collapsing outline list in which the user can control the amount of information that is displayed. When first introduced, scripted visual effects like these were revolutionary. The JavaScript and CSS techniques that produced them were loosely referred to as Dynamic HTML or DHTML, a term that has since fallen out of favor.

CSS is a complex standard that, at the time of this writing, is undergoing active development. CSS is a book-length topic of its own and complete coverage is well beyond the scope of this book.[36] In order to understand CSS scripting, however, it is necessary to be familiar with CSS basics and with the most commonly scripted styles, so this chapter begins with a concise overview of CSS, followed by an explanation of key styles that are most amenable to scripting. After these two introductory sections, the chapter moves on to explain how to script CSS. Scripting Inline Styles explains the most common and important technique: altering the styles that apply to individual document elements using the HTML style attribute. Although an elements style attribute can be used to set styles, it is not useful for querying an elements style. Querying Computed Styles explains how to query the computed style of any element. Scripting CSS Classes explains how to alter many styles at once by altering the style attribute of an element. It is also possible, though less common, to script stylesheets directly, and Scripting Stylesheets shows how to enable and disable stylesheets, alter the rules of existing stylesheets, and add new stylesheets.

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Medium 9781449345372

A. Installing a Fresh Operating System Image

Slice ePub August 16, 2014

The BeagleBone comes pre-installed with Debian, but if you want to reset your board with a clean install (or install Debian on a BeagleBone that originally came with Ångström), sometimes your best bet is to download a new image. On the original BeagleBone, you’ll be writing a bit-for-bit copy of an .img file to a MicroSD card that you boot off of when it’s inserted into the board. You can do the same on the BeagleBone Black, but you also have the option of writing the disk image to the on-board flash memory, or eMMC, so that you can later boot without a MicroSD card inserted.

Go to the BeagleBoard latest-images page and download the most recent Debian image, which will be an .xz file.

The MicroSD card should now appear as new device on the list of disks. In my case, it’s /dev/disk1. Unmount that disk by typing

Type in your computer’s administrator password when sudo asks for it.

Navigate to the folder where you downloaded the image .xz file. For example:

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Medium 9780596157074

3. Website Essentials

Source: SEO Warrior
Slice ePub May 27, 2014

Keyword-rich domain names are an important ranking factor, especially for small sites that are just starting out. Website owners should take advantage of owning multiple domains. Choosing domain names includes more than just deciding among .com, .net, and .org. Owning multiple domain names is the norm today to protect and enhance your brand.

This chapter starts by exploring the various domain name extensions. Well cover generic top-level domains (gTLDs) and country code top-level domains (ccTLDs) in detail. In the process well discuss the entire domain governance model.

If you are looking for a single-word English domain, you are likely to be disappointed unless you are willing to spend money to buy a domain from a domain seller. Single-word domain names can sell for millions of dollars. If you are like most of us, you will start to explore two- and three-word combinations as your potential domain names. If you are creative, you might go for a nonsensical domain name. If you are still struggling, at some point you might want to use a domain name broker to get you a domain that you like. Finally, you can also buy domain name misspellings to capture any lost traffic.

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Medium 9780819845443

CHAPTER SIX The Second Surge of the Fountain: Blessed Are the Meek

Slice ePub May 27, 2014

The Second Surge of the Fountain:
Blessed Are the Meek

In the second surge of the fountain, the gift of Piety leads the believer to internalize the virtue of justice and to further internalize temperance. Justice heals the wounds of envy and greed so that Christians may be strengthened to become meek and humble.

The poverty of spirit given us by the first surge of the fountain may take years to reach the surface and purify an individual’s actions. The Holy Spirit works diligently and persistently to remove the layers of sediment deposited by sin, which often cover and obstruct our hearts. He continually displaces old attitudes and creates new paths that lead from his depths to our hearts, and then from our hearts to our actions. The process often proceeds very slowly, for many things distract us.

Once the gift of the Fear of the Lord has begun to flow freely in the believer, the Holy Spirit bestows his gift of Piety. This gift does not refer to outward postures of prayer or a devout external demeanor. Rather, through Piety, the Holy Spirit transforms our hearts, enabling us to realize that just as we are children of God, other persons are also children of God.1 And if we are all children of God, then we are brothers and sisters to one another. In loving God we are also directed to love one another: the virtue of justice is central to life in Christ.2 The teaching of Jesus on the love of God and love of neighbor begins to stand in bold relief for us (cf. Mt 5:21–22; 22:36–40). The call to love God and neighbor is not split in two, as if once we have started to love God, then we must begin to love others. The love of neighbor is not added as a secondary duty that the Christian must perform after loving God. The internal form of love of God is love of neighbor. Similarly, the internal form of love of neighbor is love of God. Our love for God can therefore never be isolated from our love for neighbor.

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Medium 9781576337387

Angles: CLEP Precalculus

Slice ePub July 02, 2014

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