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Remove an element from a Bash array
...te
local aryref="$2[@]" # a necessary step since '${!$2[@]}' is a syntax error
local arycopy=("${!aryref}") # create a copy of the input array
local status=1
for (( i = ${#arycopy[@]} - 1; i >= 0; i-- )); do # iterate over indices backwards
elmt=${arycopy[$i]}
[[ $elmt == $word ]]...
How do I finish the merge after resolving my merge conflicts?
...EduFelizNavidad This is incorrect. Zie git output below after conflict:- error: Failed to merge in the changes. Patch failed at 0001 ADD: _type to styleguide The copy of the patch that failed is found in: .git/rebase-apply/patch When you have resolved this problem, run "git rebase --continue". If...
How to build an APK file in Eclipse?
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This seems like a good answer. However android lint errors prevent this from working... The standard "Run" action somehow succeeds in generating the apk file even with android lint errors.
– Jarl
Dec 14 '12 at 6:52
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How to change to an older version of Node.js
...*NIX below and was immediately able to install and switch versions without errors.
– David Rhoderick
Dec 29 '16 at 12:59
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What does string::npos mean in this code?
..."not found"); // assume it returns npos
if (idx == std::string::npos) { // ERROR: comparison might not work
...
}
One way to avoid this error is to check whether the search fails directly:
if (s.find("hi") == std::string::npos) {
...
}
However, often you need the index of the matching character...
Can I initialize a C# attribute with an array or other variable number of arguments?
Is it possible to create an attribute that can be initialized with a variable number of arguments?
7 Answers
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How can I use UUIDs in SQLAlchemy?
...lask_sqlalchemy understands the UUID type? The code in the pastebin below errors, pastebin.com/hW8KPuYw
– Brandon Dube
May 30 '18 at 5:02
1
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C++ catch blocks - catch exception by value or reference? [duplicate]
...yException which inherits from CustomException and overrides items like an error code. If a MyException type was thrown your catch block would cause it to be converted to a CustomException instance which would cause the error code to change.
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How to compare variables to undefined, if I don’t know whether they exist? [duplicate]
...ere.
}
Note that typeof always returns a string, and doesn't generate an error if the variable doesn't exist at all.
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Define css class in django Forms
...way :
<form action="/contact/" method="post">
{{ form.non_field_errors }}
<div class="fieldWrapper">
{{ form.subject.errors }}
<label for="id_subject">Email subject:</label>
{{ form.subject }}
</div>
</form>
form.subject is a...