182 Solved Topics
Remove Filter  | I just went in to edit /boot/grub/grub.cfg and the first thing I seen in the file was this: # # DO NOT EDIT THIS FILE # # It is automatically generated by grub-mkconfig using templates # from /etc/grub.d and settings from /etc/default/grub # How am I to make changes if … |
| | I'M trying to output a message if the PHP query on the MySQL database come back empty. But when I uncomment this line `//echo "No result found for entry";` not only does it fail to output this message when there is no match but it also fails to load the …  |
| | What's gvfs and why can't root access it? Emphasized Text Heremint-desktop ~ # du -sh /home/garrett du: cannot access `/home/garrett/.gvfs': Permission denied 73G /home/garrett |
| | Note that this is on a Linux machine. I'M just starting to learn PHP and MySQL. I wrote the following php program that executes from an html form. Note that at this point the date from the html form is not being used to query the MySQL database. At this …  |
| | I've been having a problem with my php, apache, mysql. I can't find the problem so I'M gong to uninstall all of them and re-install them using tasksel. But when I type sudo apt-get remove mysql, it returns the following: garrett@mint-desktop ~ $ sudo apt-get remove mysql Reading package lists... …  |
| | The following code block is producing and endless loop and I can't figure out why. Note that charv is just he second command line argument in the main function. int testNumber = 1; while(argv != '\0') { std::cout << testNumber; argv++; testNumber++; } I wrote this piece of code just …  |
| | In the following html/php page why is my "select" tag not showing all the options? <html> <head> <title>Learning PHP & HTML</title> </head> <body> <form action="somefile.php" method="post"> <form> <table width="25%"> <tr> <td>First Name:</td> <td align="right"> <input type="text" name="fName"></td></tr> <tr> <td>Last Name:</td> <td align="right"> <input type="text" name="lName"></td></tr> <tr> <td>Phone Number:</td> <td align="right"> … |
| | Is there a way I an compress a file in Linux for Windows? I recently sent a compressed folder to a Windows recipient and I don't think they were able to open the file. |
| | I have been told that in C++ the concept of a string does not exist. A string is just an array of type char. So in the following code, is message an array because it doesn't really look like one? char *message = "I am having trouble understanding pointers"; std::cout … |
| | In the following program how or the two while statements working, `while(szTarget[targetIndex])` & `while(szTarget[targetIndex])` since the their first element is initialized to zero? Zero is false and one is true so how are they getting even one iteration? The book I'M reading also made a point of saying this: "It …  |
| | I'M reading "C++ FOR DUMMIES" 4th edition by Stephen Randy Davis and the chapter on arrays as just introduced this line -> `cout.width(3);` with absolutly no explanation to waht width is. I would like any of you guys to help me wout here but in addition to telling what .width … |
| | Does anyone know how I can add "0" to the left side of a string? If I get "1234" I'd like to make it "012345", if I get "1234" I'd like to make it "001234". Any suggestions?  |
| | Just got a 16 GB PNY flash drive from Wal-Mart and formatted it to ext4. Any idea how I could put access security on the drive? I would prefer security to protect against other OSs as well. Thanks. |
| | Can anyone tell me whay the following funtion that should be returning true if the year is leap year and false if it is not, is givign me unexpected results? when I entered 1985 I got true? when I entered 2012 I got false. When I entered 2000 I got … |
| | In code like int `main(int argc, char **argv)`, I'M trying to understand command line arguments a little better. And what would be the difference between `char ** argv` & `char * arg[]`? Thanks. |
| | I'M getting a "DateValidation.cpp:10:2: error: ‘numberOfDigits’ was not declared in this scope" error. Here is my call to the function: numberOfDigits = getNrDigits( int date ); The function is declared in the file functions.h and I have #include "functions.h" at the top of my page. Any ideas?  |
| | In the program below I need to get month to hold the first two digits of date, day two hold the digits 3 & 4, & year to hold the last four digits. Any idea on how I can accomplish that? #include <iostream> #include <string> #include "functions.h" int main() { … |
| | In the following program, when I enter a number I'M getting strange output back. When I enter 5 I get 0x6011a85 back on the cout << "you entered" line. #include <iostream> //#include "functions.h" int main() { std::cout << "Please enter a number. " << std::endl; int date = 0; std::cin … |
| | I need to store the number of digits from a number into a variable. e.g. 538, i need to store 3. How can I accomplish this is C++? Thanks. |
| | In the following script I can't get the variable STARTPOINT to increment by 3 each time through the loop. I con't get it because the variable NUMBEROFGROUPS is incrementing by -1 each time and both increment lines look identical to me. #!/bin/bash set -x leading_zeros() { local NUM=${1} local NUMBEROFDIGITS=${2} …  |
| | The following line of code should result in GROUPS holding a number from 1 to probably 4 or 5. I need the next line to simply add 1 to whatever this lines results to. I've tried a lot of tings in bash but I can't make it happen. Any ideas? …  |
| | I've got an array CALENDER=(31 28 31 30 31 30 31 31 30 31 30 31) I have two if statements that Need to get an index from the array above but when I feed a value into the brackets e.g. ${CALENDER[${SECONDDIGIT}]} or ${CALENDER[${FIRSTDIGIT}]} it seems to only be getting … |
| | I wrote the following script to try and get validate if a date was valid or not. I think I've about got the script done but I'M having some trouble getting the values from the array. When I input 11291985 into the program I'M getting "29 is invalid" I can't … |
| | I'M trying to test a function that would be able to determine if it was or was not leap year. I believe my problem lies in the if statement but due to my lack of knowledge concerning shell I don't know what else to do here. #! /bin/bash read -p … |
| | I'M trying to write a small program that will validate weather or not a string is valid. Assuming that the date will always be 8 digits (12/21/2012) I need a function that will count the number of digits in a string. What I've got below is only returning "'is not … |
| | garrett@mint-desktop ~ $ c++ -v Using built-in specs. COLLECT_GCC=c++ COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/4.6/lto-wrapper Target: x86_64-linux-gnu Configured with: ../src/configure -v --with-pkgversion='Ubuntu/Linaro 4.6.3-1ubuntu5' --with-bugurl=file:///usr/share/doc/gcc-4.6/README.Bugs --enable-languages=c,c++,fortran,objc,obj-c++ --prefix=/usr --program-suffix=-4.6 --enable-shared --enable-linker-build-id --with-system-zlib --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --with-gxx-include-dir=/usr/include/c++/4.6 --libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-gnu-unique-object --enable-plugin --enable-objc-gc --disable-werror --with-arch-32=i686 --with-tune=generic --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu Thread model: posix gcc version … |
| | ( make 2>&1 | tee make.log && exit $PIPESTATUS ) && Could someone give me a detailed explanation of the above line? I know that tee is creating a text file while also allawing the output to come to the screen but need a better understanding of $PIPESTATUS. Is "exit" …  |
| | I need to view a text file that located somewhere in a file.tar.bz2 file. Anyway I can explor a tar.bz2 file and view a text document there in?  |
| | I've set up a small php file called phpinfo.php the script is below. <!DOCTYPE html PUBLIC "_//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/ xhtml-transitional.dtd"> <html xmlns="http://www.w3.org/1999/ xhtml" xml:lang="en" lang="en"> <head> <meta http-equiv="content-type" content="text/tml; charset=utf-8" /> <title>First PHP Script</title> </head> <body> <?php phpinfo(); ?> </body> </html> I've already installed both php5 and apache2, … |
| | I just got a new Netgear N router. I didn't use the install CD because there is no computer besider our router and DSL modem. I just plugged it up and at all the Windows computers in the house seem to be able to connect just fine but my Linux …  |
| | I'M having a bit of a problem with audio books on Linux. I buy my books from audible.com but since they don't support Linux it's just one more thing keeping me from fully leaving Windows. There audio formats are in .aax. Their books play fine in iTunes and on my … |
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| | data = open('sketch.txt') for each_line in data: try: (role, line_spoken) = each_line.split(':', 1) print(role, end='') print(' said: ', end='') print(line_spoken, end='') except: pass data.close() I'M gettin the following error when I run this code but it looks exactly like what I'M seeing in my Head First book. File "sketch.py", line … |
| | I'M trying to learn php and I use Mint Linux as my OS. I don't know if php is installed or not. I went to synaptic package manager and input php, I got back a big list of php-xyz packages and I dont' know which one to get. Any suggestions? |
| | bash: bld: line 11: syntax error: unexpected end of file I'M gettting the above when I source the attached script file. Can someone please let me know what I've got wrong here? Thanks The script file was build from the commands here > http://www.linuxfromscratch.org/lfs/view/stable/chapter06/gmp.html |
| | I've got a 58 minute mp3 file and I'd like to burn it to an audio CD with multible tracks. Right now it's just one big file. Any dieas?  |
| | /root/bin/go-lfs I need to add teh above to PATH. If I simply write "export PATH="$PATH:~/bin/go-lfs" will it cause a problem? I'M assuming that this would remove enerything already in PATH and that might cause problems for the duration of my shell. If so, how could I added it without overwritting …  |
| | I've attached my output error and my script is below, also the link the the directions. http://www.linuxfromscratch.org/lfs/view/stable/chapter05/perl.html Here's my script: ( patch -Np1 -i ../../../perl-5.14.2-libc-1.patch 2>&2 | tee patch-perl.log && exit $PIPESTATUS ) && sh Configure -des -Dprefix=/tools && cp -v perl cpan/podlators/pod2man /tools/bin && mkdir -pv /tools/lib/perl5/5.14.2 && cp … |
| | lfs@debian:/mnt/lfs/sources$ tar xjvf binutils-2.22.tar.bz2 tar (child): bzip2: Cannot exec: No such file or directory tar (child): Error is not recoverable: exiting now tar: Child returned status 2 tar: Error is not recoverable: exiting now lfs@debian:/mnt/lfs/sources$ the file binutils-2.22.tar.bz2 is in this folder, why am I getting this? |
| | lfs@debian:~$ scp output garrett@192.168.1.10:/home/garrett ssh: connect to host 192.168.1.10 port 22: Connection refused lost connection lfs@debian:~$ Why is the above not working? I am wasily able to ssh from on computer to the other, why will scp not work here? output is just a simple text file. |
| | Guys I feel really stupid asking this but I can not downlaod debian. Everytime I try I get on of these (http://cdimage.debian.org/debian-cd/6.0.5/amd64/bt-dvd/) pages and I have no idea what to do with it. |
| | I recently compressed a whole username(I think the file was DeveloperBackup and I think the extention was .gz but I'M not certain) in ubuntu and I had one copy of the file on my ubuntu laptop and one on my external HD. I know this sounds really stupid of me …  |
| | When taking the LPI exam do you have to take both the LX0-101 and 102 exams at the same sitting or can you take the two on two different dates? Thanks. Even if I had a job as a Linux admin I would find it almost impossible to do that … |
| | I've been using iTunes for a while now but I'M really sick of their prodected file crap, having t authorize and de-authorize different computers all the time. What I'M looking for is a program with extensions/add-ons for different online music stores. Maybe one for amazon's music store where you would …  |
| | I'M working my way through a C++ book and now I'M doing a card deck program. Here's the line I'M having trouble with. r = card % 13; // r = random 0 to 12 card in this case is just a random int number from 0 to 51. 52 …  |
| | #include <Stdafx.h> #include <iostream> #include <stdlib.h> #include <time.h> #include <math.h> using namespace std; int rand_0toN1(int n); int hits[10]; int main() { int n; int i; int r; srand( static_cast<unsigned int>(time(NULL))); // set seed for random numbers cout<< "Enter number of trials to run "; cout<< "and press ENTER: "; cin>> … |
| | I've got a linux ubuntu media server running in my house but I've got two small problems with it. How can I set it with a perminate IP so I will not have to physically go to the box each time I turn it on to check the IP? Also, … |
| | Does anyone know a way to make my msconfig setting stay. When I restart my computer all that crap come right back. Windows has no respect for user preferences. I know you can set it to start up in bare minimum but I'M afraid that would me a little to … |
| | I'M reading "Linux + Guide to Linux Certification" and I've come to samba and I'M having trouble understanding a few things. The book says I need to add a username and password on the Linux system that corresponds to the username and password on the Windows clients? And then another …  |
| | I just installed Ubuntu Server but I'M not getting any network activity, let alone an internet connection. When I type ifconfig I only get the local ip address of 127.0.0.1. I have connect the eth0 port to one of the open ports on my wireless router and I'M still getting … |
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