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Consequences of using graft in Mercurial
...ng does not alter the topology of the graph.
Q3: Has mercurial stored/used extra information about the graft operation to help it with the merge?
A3: No.
Q4: What are the potential problems with a flow like this?
A4: From a merge perspective it should work okay. It will duplicate some history whic...
Why does GCC generate 15-20% faster code if I optimize for size instead of speed?
...t z = add(x, y);
sum += z;
}
return sum;
}
int main(int , char* argv[]) {
int result = work(*argv[1], *argv[2]);
return result;
}
and compiled as: g++ -O2 add.cpp main.cpp.
gcc won't inline add()!
That's all, it's that easy to unintendedly create hotspots l...
Django filter queryset __in for *every* item in list
...turned by the query) == (num tags searched for) then the row is included; "extra" tags are not searched for, so won't be counted. I've verified this within my own app.
– tbm
May 2 '18 at 20:26
...
When and why I should use session_regenerate_id()?
...hen people come to my site and log in I regenerate the session. It adds an extra layer of security that my newly logged in user is less likely to get hijacked.
Any time we add critical data to a session you should consider regenerating the session ID. If you need to harden your application against ...
How to produce a range with step n in bash? (generate a sequence of numbers with increments)
...
Pure Bash, without an extra process:
for (( COUNTER=0; COUNTER<=10; COUNTER+=2 )); do
echo $COUNTER
done
share
|
improve this answer
...
Mercurial: how to amend the last commit?
...t).
||
||
\/
Caveat emptor:
This extra option will only be enabled if the mercurial version is at least
2.2.0, and if the current revision is not public, is not a patch and has no
children. [...]
Clicking the button will call
'commit --amend' ...
Multiple returns from a function
...ge that doesn't support the above methods or allows you to do this without extra typing).
class MyXYZ
{
public $x;
public $y;
public $z;
}
function getXYZ()
{
$out = new MyXYZ();
$out->x = 4;
$out->y = 5;
$out->z = 6;
return $out;
}
$xyz = getXYZ();
$x ...
How to remove the arrow from a select element in Firefox
...-appearance, text-indent and text-overflow. It is pure CSS and requires no extra markup.
select {
-moz-appearance: none;
text-indent: 0.01px;
text-overflow: '';
}
Tested on Windows 8, Ubuntu and Mac, latest versions of Firefox.
Live example: http://jsfiddle.net/joaocunha/RUEbp/1/
Mo...
What's the difference between using INDEX vs KEY in MySQL?
...e and this was the first result. In my opinion there is no need to open an extra question. But feel free to do so if you want to.
– Stefan
Mar 25 at 16:00
...
break out of if and foreach
...
Useful, thank you. Extra karma for mentioning the argument. The if-loop thing seems like a hack, though. Why not just wrap the rest of the statements in another if? I know you were just trying to be helpful, but note to the newbies.
...