Online Data Entry Jobs
This section presents new words (for some readers) in a context that explains the terms well enough to get you started with the Ubuntu desktop. If you would like exact definitions as you read this section, refer to GNOME Desktop Terminology on page 105 and to the Glossary. The Glossary also describes the data entry widgets (page 1068), such as the combo box (page 1029), drop-down list (page 1035), list box (page 1045), and text box (page 1064).
This section presents new words (for some readers) in a context that explains the terms well enough to get you started with the Linux desktop. If you would like exact definitions as you read this section, refer to GNOME Desktop Terminology on page 110 and to the Glossary. The Glossary also describes the data entry widgets (page 1115), such as the combo box (page 1075), drop-down list (page 1080), list box (page 1091), and text box (page 1110).
Most methods of Linux installation require you to make decisions during the process. You may need to tell the system how to partition your hard disk, what your network settings are, and so on. To handle such interactions, distribution maintainers have developed three methods of data entry GUI-based, text-based, and scripted. The first two are most suitable for customized individual installations, while scripts are best used when you are configuring large numbers of nearly identical systems.
Each field in the table can be of various types, including several different integer and text types, as well as binary and Boolean values. Forms can contain a variety of controls, ranging from simple text boxes to radio buttons and scrolling lists, all of which can make data entry easier. Reports can feature a variety of text formatting and can also rely on queries to manipulate the data. The queries themselves can feature a variety of functions and filters in order to sort data down to the finest detail.
In the 2.5.x and later GUI tool, a check mark stands for a Y response, a solid dot stands for an M, and an empty square or circle stands for N. Some options enable you to select between one of several possibilities when you click one option, the others in the class are deselected. If you double-click an entry that supports numeric data entry, you can type a number to enter it.
It was always known that this would be one of the most technically difficult phases of the project. Although no more cash was required at this stage, it would prove to be costly in personnel resources. Almost all the staff of the hospital's small Information Technology and Management Department was involved either in porting the application, or testing the hundreds of data entry screens and reports after Infostat had been transferred.
The System V UNIX releases continued curses' march along the feature trail, adding support for forms, menus, and panels. Forms enable the programmer to create easy-to-use data entry and display windows, simplifying what is usually a difficult and application-specific coding task. Panels extend curses' ability to deal with overlapping and stacked windows. Menus provide, well, menus, again with a simpler, generalized interface. Due to space limitations, unfortunately, we will not cover these elements of the ncurses package.
To edit an existing ACL, simply click on the highlighted name. You will then be presented with a screen containing all relevant information about the ACL. Depending on the type of the ACL, you will be shown different data entry fields. The operation of each type is very similar, so for this example, you'll step through editing of the localhost ACL. Clicking the localhost button presents the page that's shown in Figure 12.14.
For most simple programs you may write while you're getting your bearings in assembly, you'll be entering simple integers, and scanf() is very good at that. Using it is simple Pass scanf() the name of a numeric variable in which to store the entered value, and a formatting code indicating what form that value will take on data entry. The scanf() function takes the characters typed by the user and converts them to the integer value that the characters represent. For example, scanf() will take the two ASCII characters ''4'' and ''2'' entered In practical terms, the only string used by scanf() is a string containing the formatting codes. If you want a prompt, you must display the prompt before calling scanf(), using printf(). To keep the prompt and the data entry on the same line, make sure you don't have an EOL character at the end of your prompt string. The scanf() function automatically takes character input from standard input. There's no need to pass it the file handle stdin, as...
By default, output to a terminal emulator window enters at the left end of the bottom line, and previously displayed lines scroll up with the addition of each new line at the bottom. This is perfectly useful, but it's not pretty and certainly doesn't qualify as a ''user interface'' in any honest sense. There were plenty of ''full screen'' applications written for the Unix operating system in ancient times, and they wrote their data entry fields and prompts all over the screen. When color display terminals became available, text could be displayed in
The widget KDialogBase is sort of a dialog kit. Most dialogs take the same basic form a collection of data-entry widgets with a row of buttons across the bottom. With that in mind, the KDialogBase widget was designed with a built-in row of buttons. The following example program displays the default configuration of a
Linux mounts the filesystems in the order they are given in etc fstab. Note in the preceding sample file that the entry that mounts usr data follows the entry that mounts usr. If the usr data entry came before the usr entry, the mount wouldn't work because the usr directory wouldn't yet exist. If one mount fails, Linux ignores it and executes the rest of the entries. If a mount of a directory that is used further down the file fails, the dependent mounts fail too. For example, if the mount of usr fails for some reason, the mount of usr data fails too, as usr doesn't exist.
The size of the dialog is determined by the size of the widgets it contains. It will appear as tall and wide as it needs to be for the largest widgets and the smaller widgets are centered, both vertically and horizontally. Popping up dialogs that use tabs to switch from one widget to another is becoming increasingly popular. It shows the user all the available options without also displaying a confusing page filled with data entry options.
These terminals did not display the graphical desktops that have been mainstream since 1995 so. They were text-only devices, typically presenting 25 lines of 80 characters each, without icons or windows. Some applications used the full screen, presenting numbered menus and fill-in fields for data entry. The bulk of the Unix software tools, especially those used by programmers, were controlled from the command line, and sent back scroll-up-from-the-bottom output.
A PTR record is used to perform reverse mapping from an IP address to a host. PTR records are used in the reverse mapping files. The name entry holds a reversed IP address, and the data entry holds the name of the host. The following example maps the IP address 192.168.0.1 to turtle.mytrek.com
The main page shows a listing of the current records in the table (which is now empty) and a link to create a new record. Click the New Person link, and a data entry form appears, shown in Figure 29-3. Figure 29-3 The new person data entry form web page. Figure 29-3 The new person data entry form web page.
A Yubikey is a small plastic rectangle that basically consists of a USB connector and a button. It resembles a tiny USB Flash drive, and as it measures only 18x45x2mm and weighs only 2 grams, it easily can be carried on a key-chain or in a wallet (Figures 1 and 2). When you plug it in to your machine's USB port, it identifies itself as a keyboard, implying that the Yubikey is platform-independent as long as the host device supports data entry via the USB Human Interface Device (HID) specifications. It draws power from the host device and, thus, does not have to depend on an internal battery. The whole device is quite compact and can be attached to an actual key ring using the small hole near the top of the device. The gold surface connectors are quite robust and are expected to last the lifetime of the device. According to a Yubico representative, Yubikeys still were usable after running them through a washing machine's cycle.
The above step is repeated, but this time a search is made for a data entry with the name bin so that the inode can be identified by its inode number. The name sought in its data entry is emacs. Again, this returns the number of an inode which, in this case, represents a file and not a directory. Figure 8-2 shows the situation at the end of the lookup process (the path taken is indicated by pointers between the objects).
Data Entry Direct Official Download Page
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