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linux - Can we set a variable used in a Perl script as environment variable?
I have a Perl script which has a variable like my $name. Can we set the contents of $name as an environment ... name, but this is not working. See Question&Answers more detail:os...
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linux - Why didn't I get segmentation fault when storing past the end of the BSS?
I'm experimenting with assembly language and wrote a program which prints 2 hardcoded bytes into stdout. Here it is: ... 1 byte, but put 2. See Question&Answers more detail:os...
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linux - How to interpret %gs:0x14?
I am a little confused with the use of colon in x86 assembly. I know that in real mode %gs:0x14 will ... .pcministry.com/asm/debug/Segments.html See Question&Answers more detail:os...
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linux - What is "-le" in shell script?
I am going through this code. I would like to know what is meant by -le in the following code segment. ... , how does that get incremented? See Question&Answers more detail:os...
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linux - PHP install package globally: apt-get vs composer
I found there are two options to install PHP package globally in Linux (Ubuntu 16.04): Using composer: ... cases or different effects ? See Question&Answers more detail:os...
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linux - Qt Creator: add Qt module to project
So when I create a new Qt project inside Qt Creator I'm only asked for some simple details like location of the ... Linux if that's any help. See Question&Answers more detail:os...
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linux - SQUID: How to disable authentication?
I have a working Squid with authentication. How do I temporarily disable authentication? Can I just comment out the ... ? Thank you in advance See Question&Answers more detail:os...
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linux - Remove file coding mark but preserve its coding
I've got a file with UTF-8 (Without BOM) coding. File is being created on Windows site and it's being ... it from file but preseve its coding? See Question&Answers more detail:os...
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linux - g++ 4.8.1 C++ Threads, std::system_error - operation not permitted?
This is not a duplicate question, because the solutions presented are not working on my compiler. I am trying to compile and ... for g++ 4.8.1? See Question&Answers more detail:os...
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Oct 24, 2021
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linux - Why does the wc command count one more character than expected?
The following is the content stored in my file This is my Input So, using wc -c command we can get the ... So, what is the 17th character? See Question&Answers more detail:os...
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linux - Where does pp (PAR) unpack add (-a) files?
This is my attempt to cut through extraneous issues raised "Why don't my system calls work in the Perl program ... in the original Perl script? See Question&Answers more detail:os...
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Oct 24, 2021
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linux - how to fix "go not root owned"
I installed go on ubuntu 16.04 from the archive and tried to test my installation by issuing the command go ... of help would be appreciated. See Question&Answers more detail:os...
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linux - sed with special characters
I have this line that I want to use sed on: --> ASD = $start ( *.cpp ) <-- where $start is not a ... ls | grep *.cpp )/somereplace/' Makefile See Question&Answers more detail:os...
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linux - switch/case doesn't work in awk
I am writing a simple awk in redhat linux,but found switch/case doesn't work for me. I searched on web, but ... please help me out? thank you! See Question&Answers more detail:os...
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linux - How can I use grep to match but without printing the matches?
I'm new to linux shell and am trying to do this, preferably in one line, with the following condition: It can't ... grep the data. Any idea's? See Question&Answers more detail:os...
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linux - git diff with line numbers and proper code alignment/indentation
I obtained this code sample from someone else here: git diff --color=always | gawk '{bare=$0;gsub("33[[][0-9]*m" ... ," right++ "):" line next } See Question&Answers more detail:os...
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linux - ftplib.error_perm: 553 Could not create file. (Python 2.4.4)
I am writing to the home directory of the user I'm FTPing into, so permissions shouldn't be an issue. FTP ... file. Any ideas why it fails? See Question&Answers more detail:os...
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linux - How can I share library between two program in c
I want to use same library functions (i.e. OpenSSL library ) in two different programs in C for computation ... will be highly appreciated . See Question&Answers more detail:os...
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linux - Different results between ps aux and `ps aux` inside a script
I have a bash script (ScreamDaemon.sh) inside which a check that example of it isn't running already is added. ... .sh │ │ └─sleep,28743 2m See Question&Answers more detail:os...
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linux - Rename part of file name based on exact match in contents of another file
I would like to rename a bunch of files by changing only one part of the file name and doing that based on an ... like? Thank you for your help! See Question&Answers more detail:os...
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linux - Re-synchronizing after changing permission to view in ClearCase
I created a new ClearCase view on a Linux machine. And it was synchronized into the Windows machine where the ... change in permission is made? See Question&Answers more detail:os...
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linux - Shell scripting - split xml into multiple files
Am trying to split a big xml file into multiple files, and have used the following code in AWK script. /< ... anyone please help me with this? See Question&Answers more detail:os...
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linux - Monitor directory content change
I'm writing a bash script, and I'd like to monitor file changes into a directory (adding, deleting and ... the directory and make diffs)? See Question&Answers more detail:os...
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Oct 24, 2021
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linux - A modification to %esp cause SIGSEGV
Sometimes I use the following code to avoid stack overflow when taking part in coding competition. int main() { ... and it seems runs well? See Question&Answers more detail:os...
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linux - Trying to run PhantomJS on OpenShift: cannot patch GhostDriver so that it can bind on the server IP address
tl;dr How to solve version 'GLIBCXX_3.4.15' not found when I cannot be root on the ... GLIBC_2.2 GLIBCXX_FORCE_NEW GLIBCXX_DEBUG_MESSAGE_LENGTH See Question&Answers more detail:os...
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Oct 24, 2021
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linux - git sparse-checkout ignore specific file type
I have a git repository with a bunch of large csv in them, which I don't want to clone, so I came across ... to ignore a certain file type only? See Question&Answers more detail:os...
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linux - XDP program ip link error: Prog section rejected: Operation not permitted
I try to get into XDP, for this I have this very small program: // SPDX-License-Identifier: GPL-2.0 ... easter egg though. Thank you @Qeole! See Question&Answers more detail:os...
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linux - C program without header
I write "hello world" program in C. void main() { printf("Hello World"); } // note that I haven ... link a library without including any header? See Question&Answers more detail:os...
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