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How to keep environment variables when using sudo
...$_EXPORTS; do printf '%q=%q ' "$x" "${!x}"; done;) "$@"
}
# create a test script to call as sudo
echo 'echo Forty-Two is $VAR42' > sudo_test.sh
chmod +x sudo_test.sh
export VAR42="The Answer to the Ultimate Question of Life, The Universe, and Everything."
export _EXPORTS="_EXPORTS VAR1 VAR2 VA...
Include all existing fields and add new fields to document
...
you have a collection posts with _id, title, body, likes fields. The likes field is an array of user _id who like the post. How could you list all posts with all the _id, title, body, likeCount? Returning all fields is a direct purpose in this case.
...
How to pipe input to a Bash while loop and preserve variables after loop ends
...nd in the current shell environment.
Thus, using something like this in a script makes the modfied sum available after the loop:
FILECONTENT="12 Name
13 Number
14 Information"
shopt -s lastpipe # Comment this out to see the alternative behaviour
sum=0
echo "$FILECONTENT" |
while read number name;...
Ruby, Difference between exec, system and %x() or Backticks
... interpolation.
exec
By using Kernel#exec the current process (your Ruby script) is replaced with the process invoked through exec. The method can take a string as argument. In this case the string will be subject to shell expansion. When using more than one argument, then the first one is used to...
difference between offsetHeight and clientHeight
In the javascript dom - what is the difference between offsetHeight and clientHeight of an element?
2 Answers
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Difference between \A \z and ^ $ in Ruby regular expressions
...ne character, which means they could use an email like me@example.com\n<script>dangerous_stuff();</script> and still have it validate, since the regex only sees everything before the \n.
My recommendation would just be completely stripping new lines from a username or email beforehand, ...
jQuery - get a list of values of an attribute from elements of a class
...ort: caniuse.com/#search=arrow) to build the array with a little plain javascript: $(".object").get().map(x => x.getAttribute('level'));
– elPastor
Feb 26 '19 at 13:00
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Is div inside list allowed? [duplicate]
...http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Test</title>
</head>
<body>
<ul>
<li><div>test</div></li>
</ul>
</body>
</html>
...
How are cookies passed in the HTTP protocol?
...icate that your cookie is httponly and must not allowed to be accessed, in scripts by javascript code. This helps to prevent attacks such as session-hijacking.
For more information, see RFC 2109. Also have a look at
Nicholas C. Zakas's article, HTTP cookies explained.
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With Git, how do I turn off the “LF will be replaced by CRLF” warning
...
Usually, you want that your BAT scripts ends and be commited with CRLF, and your SH script with LF.
– Sandburg
Sep 13 '19 at 16:19
a...