An element declaration employing the #PCDATA content model shown in the accompanying figure does not allow for child elements.
Answer the following statement true (T) or false (F)
True
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Answer the following statements true (T) or false (F)
1. An istream object is already an ifstream object with some extra, added features. 2. When you write ifstream inStream; inStream.open(”infile.dat”); the file, infile.dat must be located in the directory where the program is being run. 3. When you use the open member function to tie a file name to a file stream, the file name is called the external file name, and the program refers to the file by the stream name. 4. A file is automatically closed when a program terminates, so there is never a need to close a file. 5. The flush member function copies the file buffer to the file on the file medium (disk, tape, etc).
A(n) ________ printer works either by melting wax-based ink onto ordinary paper or by burning dots onto specially coated paper
Fill in the blank(s) with correct word
Match each of the following touchscreen actions to its task
I. Click an item II. Swipe to select III. Slide to rearrange IV. Press and hold for a few seconds V. Slide to right A. Similar to dragging with a mouse B. Bring up commands C. Similar to right-click D. Scrolls left E. Tap it
Consider the following schema:
Broker(Id, Name) Account(Acct#, BrokerId, Gain)Write the following query in relational algebra and in SQL: Find the names of all brokers who have made money in all accounts assigned to them (i.e., Gain > 0).