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12 Posted Topics
 | Hello everyone. I am to program a simple shell in C for my project. So far my shell can execute simple commands and now I want to implement enviroment variables. I looked up on how to use the getenv, setenv, putenv. So far so good i've tried to use the … |
| | Hello everyone. I have a problem using strtok in C. I get a user input from the command line and I want to tokenize it with pipe ("|") as the delimeter and put the result in a double pointer variable. Here's my code: [CODE]char** argv; char *token; token = strtok(userInput, … |
| | I have a problem using the oci_execute function in php. I start by initialising my query then oci_parse it and then oci_execute it. Everything works fine. And data are being inserted or modified in my database. The problem is that these data are inserted randomly. If I have a query … |
| | I have a problem making a select tag in php code dynamic. I'm creating a website (homework) using php and connecting to an oracle database which has all the info needed. Each agency has a list of vehicules. I created a select option tag for agencies and for vehicules. I … |
| | Hello everyone. I'm trying to code the cd shell command in c. I used chdir function to code it but the problem is that when I execute the program on the terminal it doesn't change the directory. I kept a series printfs and conditions to test if it changes, though … |
| | Hello everyone. Let's say i have 2 scripts called "fill_cup.sh" and "empty_cup.sh" and i create a 3rd script "cup.sh". How can i run/execute the scripts "fill_cup.sh" and "empty_cup.sh" in the script "cup.sh". I tried with sh fill_cup.sh and ./fill_cup.sh but it doesn't work. for example Script cup.sh #!/bin/sh [CODE]echo enter … |
| | Hello everyone. I have some problems in implementing some stuffs about genetics in java. Here's the scenario. A human cell contains 23 pairs of chromosomes. Each chromosome in each pair has thousands of genes. Each copy of a gene is called an allele. These alleles determine the different traits of … |
| | Hello everyone, I'm programming genetic processes in java for my project and I want simulate the mitosis of a human cell. A human cell contains 23 pairs of chromosome. Mitosis is basically a cell division, or reproduction, in which a cell gives rise to two genetically identical daughter cells. You … |
| | Hello everyone. I have an error in my makefile. When i execute it on the terminal in linux, it gives me the following errors [CODE]mkab@mkab-ThinkPad-SL400:~/Desktop/TP 5/src$ make test gcc -c prog2.c gcc *.o -o test prog2.o: In function `tester_supprimer': prog2.c:(.text+0x1c): undefined reference to `ajouter' prog2.c:(.text+0x32): undefined reference to `ajouter' prog2.c:(.text+0x48): …  |
| | You badly initialized your 2 dimensional array that's all. You should initialize it as gerard4143 did. Though for some reasons your program worked, try not too run outside the boundary of an array becuase you will get weird numbers in some cases. So compare like this [CODE]if(val<arr[i][j]) { val=arr[i][j]; } … |
| | First of all, your code has syntax problems.. i don't think it'd even compile. You put a semi-colon after instructions and not after loops or methods. Semi-colon means the end of an instruction. Line 22,24 and 27 of your code have semi-colons and they shouldn't be there. Secondly, you need … |
| | Hello everyone. I need some help on a java project. I'm to develop a human genetic(family) tree. This is the subject: Each human cell contains 23 pairs of chromosomes numbered from 1 to 22,and a pair of sex chromosomes: XX in females and XY in man. During fertilization, the 22 … |
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