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How to store standard error in a variable
...ut for display or to be piped into another command.
It sets up a couple of extra file descriptors to manage the redirections needed in order to do this.
#!/bin/bash
exec 3>&1 4>&2 #set up extra file descriptors
error=$( { ./useless.sh | sed 's/Output/Useless/' 2>&4 1>&3...
GIT commit as different user without email / or only email
... the existing commits and use the first commit that contains your provided string.
Examples:
Only user name
Omit the email address explicitly:
git commit --author="John Doe <>" -m "Impersonation is evil."
Only email
Technically this isn't possible. You can however enter the email addres...
How to read last commit comment?
..., see: kernel.org/pub/software/scm/git/docs/… (scroll down to format:<string>).
– imme
Jul 31 '15 at 15:36
...
How to sort with a lambda?
... return os;
};
};
typedef std::vector<Foo> VectorT;
std::string toString(const VectorT& v)
{
std::stringstream ss;
std::copy(v.begin(), v.end(), std::ostream_iterator<Foo>(ss, ", "));
return ss.str();
};
int main()
{
VectorT v(10);
std::for_each(v.be...
MySQL Query GROUP BY day / month / year
...ion when grouping will be faster than DATE_FORMAT function (which return a string value). Try using function|field that return non-string value for SQL comparison condition (WHERE, HAVING, ORDER BY, GROUP BY).
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Correct way to write line to file?
...ther legal values, any '\n' characters written are translated to the given string.
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Database design for audit logging
...would house the primary key you'd reference for your foreign key relationships. The Opportunities_Content table would hold all the fields your users can change and for which you'd like to keep an audit trail. Each record in the Content table would include its own PK and the modified-by and modifie...
Making a triangle shape using xml definitions?
...
@user531069 : put this on your strings.xml : <string name="bottom_arrow">&#9660;</string>
– user1079425
Sep 8 '15 at 23:49
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Why can I add named properties to an array as if it were an object?
...f
lastIndexOf
map
pop
push
reverse
shift
slice
some
sort
splice
toSource
toString
unshift
valueOf
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Why doesn't JavaScript support multithreading?
...en more than one core), and the difficulties there are way larger than the extra possibilities.
For the future of JavaScript, check this out:
https://developer.mozilla.org/presentations/xtech2006/javascript/
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