Bonjour la communaute,
voila pour etre franc, une boite me demande de repondre a ces questions en moins de 48 heures et quelques soient les moyens utilises, je dois repondre correctement a toutes ces questions, meme si les reponses ne viennent pas de moi.
Si au moins l'un d'entre vous pouvez repondre a ces questions pour que je compare avec ce que je vais repondre de mon cote, ca serait super sympa ... j'ai besoin de reponses des plus professionnels d'entre-vous, car moi je suis seulement intermediaire.
Merci d'avance pour votre temps.
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Please be sure to mention MEMORY MANAGEMENT AND MEMORY ALLOCATION, specifically, in your answers.
Skill Assessment Sheet
Line
Contains
50
char *b, q, *r;
200
b = getbuf ();
201
q = *b;
212
R = anotherfunction (b);
213-2003
/* we want to use 'q' and 'r' here */
2000
char * getbuf ()
2001
{
2002
char buff [8];
2003-2050
/* unspecified buff defined here */
2051
return (char*) buff;
2052
}
1. What will be in variable 'q' after line 201 is executed? Under what conditions might this not be so?
2. Is there an alternative, but equivalent, way to write line 2000? If so, what is it?
3. Is getbuf() a reasonable function?
4. Will getbuf() execute at all?
5. Please comment on line 2051.
6. Is getbuf() good practice, and why?
7. What line not given should be provided for compilation?
8. How, exactly, could one get a second 'char*' to use back from this function? Be specific in terms of the exact syntax needed. (That is, provide code.) Another way to state this question is how can this function be modified to return a 'char*' (that is, it maintains the same return type) from the function, and an additional 'char *' value in one function call. Please make sure that your answer will work even if the size of the char * desired is not known in the outside calling function. Avoid (do no use) C++ syntax. Include statement in called and calling functions. Use food programming practice.
9. For those candidates who know SQL: There is a table with gene_ids ('gid') and clone_ids ('cid'). Each gene only resides on a single clone and each clone may contain multiple genes. How do would you find how many genes are on each and every clone? Please provide the SQL.
10. What's the difference between system calls and library functions?
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