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\d is less efficient than [0-9]
I made a comment yesterday on an answer where someone had used [0123456789] in a regular expression rather than [0-9] or \d . I said it was probably more efficient to use a range or digit specifier than a character set.
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Is it possible to preview stash contents in git?
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edited Mar 2 '16 at 18:10
Wayne Conrad
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Measuring function execution time in R
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10 Answers
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When to use a key/value store such as Redis instead/along side of a SQL database?
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102
I can't seem to figure out when it's time to use it in an application.
I would recommend y...
Heroku Postgres - terminate hung query (idle in transaction)
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answered Jul 2 '12 at 10:46
tobixentobixen
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Update Item to Revision vs Revert to Revision
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205
Update to revision will only update files of your workingcopy to your choosen revision.
But yo...
Difference between git pull and git pull --rebase
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mvpmvp
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What is the difference between the kernel space and the user space?
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120
The really simplified answer is that the kernel runs in kernel space, and normal programs run in...
Mutex example / tutorial? [closed]
...x m;//you can use std::lock_guard if you want to be exception safe
int i = 0;
void makeACallFromPhoneBooth()
{
m.lock();//man gets a hold of the phone booth door and locks it. The other men wait outside
//man happily talks to his wife from now....
std::cout << i << " He...
Array extension to remove object by value
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edited Oct 12 '16 at 16:20
swiftcode
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answered J...