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How can you pass a struct by reference in e?
The question is phrased in a tricky way because passing by reference is the default and only possible way to pass structs in e. In other words, each time you call a method with a struct parameter, the method gets the original copy, and any modifications it does will persist even after it returns. To pass a struct by value you can use deep_copy() to clone it. In C/C++ you could stop a calling function from modifying a parameter by explaining that function parameter as const. It is too bad that doesn't support const as well...
Write a main function that opens an ifstream on the input file, "person.dat". If the stream cannot be opened, output an error message and exit. The file format is as foll
CMOS circuits consume power ? Ans. As in CMOS one device is ON and one is Always OFF therefore power consumption is low or can say less than TTL.
Q. Show MPI functions? MPI comprises hundreds of functions which are a small subset of which is enough for most practical purposes. We will discuss some of them here. Int M
Web authoring tools CGI was considered excellent in the beginning since it was also open standard. The only drawback it suffered was that it was slow. Major software developers v
The main I/O used by micro controllers are the parallel ports , the 68HC11F1 has seven 8 bit ports namely Port A,B,C,D,E,F and G . The use of ports depends on the mode configurati
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The Concept of Program From a programmer's viewpoint, generally a program is a well-defined set of instructions written in a specific programming language, with predefined sets
Resource Dependence The parallelism among the instructions may also be affected because of the shared resources. If two instructions are using the related shared resource t
An operating system contains 3 user processes each requiring 2 units of resource R. The minimum number of units of R such that no deadlocks will ever arise is? Ans. The minimum
How can we send data to external programs? Using SPA/GPA parameters(SAP memory). Using EXPORT/IMPORT data (ABAP/4 memory)
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