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Why does sudo change the PATH?
... bidden. See sudoers(5) for more information.
An Example of usage:
cat >> test.sh
env | grep "MYEXAMPLE" ;
^D
sh test.sh
MYEXAMPLE=1 sh test.sh
# MYEXAMPLE=1
MYEXAMPLE=1 sudo sh test.sh
MYEXAMPLE=1 sudo MYEXAMPLE=2 sh test.sh
# MYEXAMPLE=2
update
man 5 sudoers :
env_res...
How should equals and hashcode be implemented when using JPA and Hibernate
...sulting in errors and / or data corruption) because your entity may be allocated to a bucket not matching its current hashCode().
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How can I split a shell command over multiple lines when using an IF statement?
...re the newline. With no such whitespace, your example works fine for me:
$ cat test.sh
if ! fab --fabfile=.deploy/fabfile.py \
--forward-agent \
--disable-known-hosts deploy:$target; then
echo failed
else
echo succeeded
fi
$ alias fab=true; . ./test.sh
succeeded
$ alias fab=false; ....
How to tell Maven to disregard SSL errors (and trusting all certs)?
...
You can disable SSL certificate checking by adding one or more of these command line parameters:
-Dmaven.wagon.http.ssl.insecure=true - enable use of relaxed SSL check for user generated certificates.
-Dmaven.wagon.http.ssl.allowall=true - enable mat...
How to edit multi-gigabyte text files? Vim doesn't work =( [closed]
...and), edit them individually (using awk, sed, or something similar) and concatenate them after you are done.
cat file2 file3 >> file1
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Extract substring using regexp in plain bash
...
Using pure bash :
$ cat file.txt
US/Central - 10:26 PM (CST)
$ while read a b time x; do [[ $b == - ]] && echo $time; done < file.txt
another solution with bash regex :
$ [[ "US/Central - 10:26 PM (CST)" =~ -[[:space:]]*([0-9]{2}:[...
Are there any standard exit status codes in Linux?
...
(This was linked in another answer, but to a non-canonical URL.)
1: Catchall for general errors
2: Misuse of shell builtins (according to Bash documentation)
126: Command invoked cannot execute
127: "command not found"
128: Invalid argument to exit
128+n: Fatal error signal "n"
...
Program only crashes as release build — how to debug?
I've got a "Schroedinger's Cat" type of problem here -- my program (actually the test suite for my program, but a program nonetheless) is crashing, but only when built in release mode, and only when launched from the command line. Through caveman debugging (ie, nasty printf() messages all over the ...
How can I test https connections with Django as easily as I can non-https connections using 'runserv
I have an application that uses "secure" cookies and want to test it's functionality without needing to set up a complicated SSL enabled development server. Is there any way to do this as simply as I can test non-encrypted requests using ./manage.py runserver ?
...
Centering a div block without the width
...exbox support) but this method also allows many other things, and is a dedicated CSS rule for this type of behavior:
HTML:
<div class="container">
<div class="centered">This content is centered</div>
</div>
CSS:
.container {
display: flex;
flex-direction: column; /...