SQL server 2005, syntax error
This line do not work: (the problem is in the last line) SELECT Book_Name FROM Books WHERE (Year, Faculty) = (SELECT Year, Faculty FROM Books WHERE Book_Id = 1112); How can I fix it? ...
homework
How can I get the sizes of various types in c?
I'm looking for the following information to be printed out: sizeof(int) = ? sizeof(float) = ? sizeof(double) = ? sizeof(char) = ? sizeof (167) = ? sizeof(3.1415926) = ? sizeof(‘$’) = ? ...
F# exercise help - Beginner
I hope you can help me with these exercises I have been stuck with. I am not in particular looking for the answers. Tips that help me solve them myself are just as good :) 1. Write a function implode : char list -> string so that implode s returns the characters concatenated into a string: let implode (cArray:char list) = List.foldBack...
Storing multiple discarded datas in a single variable using a string accumulator
For an assignment for my intro to python course, we are to write a program that generates 100 sets of x,y coordinates. X must be a float between -100.0 and 100.0 inclusive, but not 0. Y is Y = ((1/x) * 3070) but if the absolute value of Y is greater than 100, both numbers must be discarded (BUT STORED) and another set generated. The re...
Very difficult SQL query
For the following table definitions: Name Null? Type Comments ------------------------------- -------- ---- ------------------------------------ ENUM NOT NULL NUMBER(4) ENUM should not exceed a length of 4. ENAME CHAR(15...
Write a function in c that includes the following sequence of statements [Wont Compile]
There is a question in my programming languages textbook that is as follows: Write a C function that includes the following sequence of statements: x = 21; int x; x = 42; Run the program and explain the results. Rewrite the same code in C++ and Java and compare the results. I have written code, and played with i...
How do I use implicit and explicit casts?
int a = 2, b = 3; float f = 2.5; double d = -1.2; int int_result; float real_result; real_result = a * f; real_result = (float) a * b; d = a + b / a * f; d = f * b / a + a; ...
working with negative numbers in python
hello everyone. Thank you for your help in advance. I am a student in a concepts of programming class. The lab is run by a TA and today in lab he gave us a real simple little program to build. It was one where it would multiply by addition. Anyway, he had us use absolute to avoid breaking the prog with negatives. I whipped it up real qui...
How to determine if CNF formula is satisfiable in Scheme?
Program a SCHEME function sat that takes one argument, a CNF formula represented as above. If we had evaluated (define cnf '((a (not b) c) (a (not b) (not d)) (b d))) then evaluating (sat cnf) would return #t, whereas (sat '((a) (not a))) would return (). You should have following two functions to work: (define comp (lambda (lit) ; ...
question about pcap
hi, i have to do a sniffer as an assignment for the security course. i am using c and the pcap library. i got everything working well (since i got a code from the internet and changed it). but i have some questions about the code. u_int ip_len = (ih->ver_ihl & 0xf) * 4; ih is of type ip_header, and its currently pointing the to...
Organizing Python objects for retrieval
I have a Club class and a Player Class. The player class has an attribute Fav.clubs which will have unique club values. So the user is supposed to enter various club names. Based on the club names I must retrieve those club objects and establish the relationship that this particular player has this Fav.clubs. The attribute Fav.clubs in ...
number of search accesses
How do you calculate number of accesses for a sequential search if record is present, not present, or sometimes present? What about for binary search? ...
Formatting a barcode with hyphens in between - Assignment question
Hi, The assignment at my first year uni computing course says my program should read a barcode number, and then display the same 13 digit barcode number separated by hyphens. For example, 9300675016902 should look like 930-067501-690-1. The restrictions say I can't use the following: No arrays No strings No functions. Any direction...
Find the closest palindrome number C#
I am trying to create a console application that reads number from a file all underneath each other like so: 101 9 and then outputs into another file the closest palindrome number. So far what I have is not quite right; i.e. I don't think I can put the class inside a method which is a bit more Java I was wondering if anyone could help...
Java method help
Ok, so I'm working on a project for a class I'm taking.. simple music library. Now I'm having some issues, the main issue is I'm getting "non-static method cannot be referenced from a static context" Here is a function I have public void addSong() { Scanner scan = new Scanner(System.in); Song temp = new Song(); int index ...
How do I declare a pipe in a header file? (In C)
I have an assignment in which I need to declare a pipe in a header file. I really have no idea how to do this. It might be a really stupid question and I might be missing something obvious. If you could point me in the right direction I would greatly appreciate it. Thanks for your time. EDIT: Sorry about the question being so vague. M...
Help Me Make My Pascal Program Display Multiple Names Which Were Entered Plz.
Hey,Guys I'm having trouble displaying names using arrays in my Pascal program. But first heres the question I'm writing the program to answer : And here's what I've done so far(It's a bit messy): ...
jQuery Map Highlight - works fine at DOM ready but failed when loaded by AJAX
Hi all: This is uni assignment and I have already done some stuff. Please go to the password protected directory on : my server Enter username "uts" and password "10479475", both without quotes, into the prompt and you shall be able to see the webpage. Basically, if you hover your mouse on top of the contents in worldmap to the upperl...
how to write a program in c
how to write a program that reads in a list of integers from a text file, print them out to another file in a formatted fashion? ...
Random point on VideoDisplay isn't accurate enough
For a schoolassigment me and some buddies of mine are creating an application that is showing many similarities with the C-Mon & Kypski musicvideo on www.oneframeoffame.com. The application is being developed in Flex. We want to get a random point of a clip, let it pause so a user can mimic the pose and make a snapshot out of it. What ...