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How to input a regex in string.replace?
...erally «\/{0,}»
# Between zero and unlimited times, as many times as possible, giving back as needed (greedy) «{0,}»
# Match the character “[” literally «\[»
# Match a single digit 0..9 «\d+»
# Between one and unlimited times, as many times as possible, giving back as needed (greed...
Difference between binary semaphore and mutex
...ere any difference between a binary semaphore and mutex or are they essentially the same?
34 Answers
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How to stop and restart memcached server?
... well, it realy depends on your linux distribution and how you did install memcache. If you hav installed package of your distribution there should be memcached start/stop script (maybe it is in different directory like /etc/rc.d) If you installed memcached manualy you probably need also create ...
Which terminal command to get just IP address and nothing else?
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This will give you all IPv4 interfaces, including the loopback 127.0.0.1:
ip -4 addr | grep -oP '(?<=inet\s)\d+(\.\d+){3}'
This will only show eth0:
ip -4 addr show eth0 | grep -oP '(?<=inet\s)\d+(\.\d+){3}'
And this way you can get...
How to create a date and time picker in Android? [closed]
...this response should be updated. The DateSlider library referenced by Rabi all the way below seems to be perfect for this.
– Stephan Branczyk
Aug 7 '11 at 21:09
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Android Left to Right slide animation
...oject that I am working on, and it works great! Is there some way to externally set variables like duration, easing etc. when working with xml-based animation?
– Daniel Saidi
Aug 1 '13 at 13:50
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How to improve Netbeans performance?
...pace and 50-80% CPU.
Then I decided do some clean up.
I had 30 plugins installed, and I was not using most of them.
So, I disabled the plugins I was not using, a whopping 19 plug ins I disabled. now memory uses down to 400+ MiB and CPU uses down to 10 and at max to 50%.
Now my life is much easier...
Why is reading lines from stdin much slower in C++ than Python?
...tl;dr: Because of different default settings in C++ requiring more system calls.
By default, cin is synchronized with stdio, which causes it to avoid any input buffering. If you add this to the top of your main, you should see much better performance:
std::ios_base::sync_with_stdio(false);
Normall...
Trying to add adb to PATH variable OSX
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Where is adb supposed to be located? Check that it's there and that it has execute permissions (cd to the directory and do ls -l adb).
– LaC
Apr 2 '11 at 23:10
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Could not open a connection to your authentication agent
...t?.
Could not open a connection to your authentication agent
To automatically start ssh-agent and allow a single instance to work in multiple console windows, see Start ssh-agent on login.
Why do we need to use eval instead of just ssh-agent?
To find out why, see Robin Green's answer.
Public vs...