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Lost httpd.conf file located apache [closed]
...ce ps only shows tasks running as me. I had to just try running "httpd -V" and "apache2ctl -V" as Rich Bower suggests.
– John Pankowicz
Jan 17 '16 at 22:22
6
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ImportError: No module named pip
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OMG thank you! I have a vagrant box spun up with python 3 and was wondering why pip commands where not working when I installed pip via 'sudo apt-get install python-pip'. These versioning changes (i.e. like php with homebrew) drive me crazy sometimes...
– Ryan ...
How to find keys of a hash?
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As I understand this Object.prototype.keys will make keys available to all sub-classes of Object, therefore for all objects. Which probably you want to if you're trying to use OOP. Anyway this really depends on your requirements.
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How do you reverse a string in place in JavaScript?
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As long as you're dealing with simple ASCII characters, and you're happy to use built-in functions, this will work:
function reverse(s){
return s.split("").reverse().join("");
}
If you need a solution that supports UTF-16 or other multi-byte characters, be aware that this f...
Hg: How to do a rebase like git's rebase
...--D---E---F
\ \
newfeature-123 M---N---O---P
and that's really all that's necessary. I end up with a newfeature-123 clone I can easily push back to the mainline when I'm happy with it. Most importantly, however, I never changed history. Someone can look at my csets a...
HashSet vs. List performance
...be better off using a List<T>.
I did a test for this on my machine, and, well, it has to be very very small to get an advantage from List<T>. For a list of short strings, the advantage went away after size 5, for objects after size 20.
1 item LIST strs time: 617ms
1 item HASHSET strs t...
How to trick an application into thinking its stdout is a terminal, not a pipe
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Aha!
The script command does what we want...
script --return --quiet -c "[executable string]" /dev/null
Does the trick!
Usage:
script [options] [file]
Make a typescript of a terminal session.
Options:
-a, --append append...
How to run a process with a timeout in Bash? [duplicate]
Is there a way to write a shell script that would execute a certain command for 15 seconds, then kill the command?
2 Answer...
Easy interview question got harder: given numbers 1..100, find the missing number(s) given exactly k
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Here's a summary of Dimitris Andreou's link.
Remember sum of i-th powers, where i=1,2,..,k. This reduces the problem to solving the system of equations
a1 + a2 + ... + ak = b1
a12 + a22 + ... + ak2 = b2
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a1k + a2k + ... + akk = bk
Using Newton's...
How do I access my SSH public key?
I've just generated my RSA key pair, and I wanted to add that key to GitHub.
18 Answers
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