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What is a word boundary in regex?
...ions for.
Anyway, this is what I found out (summarized mostly from http://www.regular-expressions.info, which is a great site): In most flavors of regex, characters that are matched by the short-hand character class \w are the characters that are treated as word characters by word boundaries. Jav...
How to detect a loop in a linked list?
...fast node at fixed intervals.
The description is available here : http://www.siafoo.net/algorithm/11
Brent claims that his algorithm is 24 to 36 % faster than the Floyd's cycle algorithm.
O(n) time complexity, O(1) space complexity.
public static boolean hasLoop(Node root){
if(root == null) ...
How to unmount a busy device
...s open for writing on the original as each mounted instance is
# checked. https://unix.stackexchange.com/a/386570/143394
# So, avoid remount, and bind mount instead:
sudo mount -o bind,ro "$original" "$original_duplicate"
# Don't propagate/mirror the empty directory just about hide the original
su...
Can Go compiler be installed on Windows?
...f 2012 the Go homepage offers an official Windows installer (32 or 64 bit) https://golang.org/dl/
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How to use Git for Unity3D source control?
...e now have seamless integration to unity with Github to Unity extension...
https://unity.github.com/
The new GitHub for Unity extension brings the GitHub workflow and more to Unity, providing support for large files with Git LFS and file locking.
At the time of writing the project is in alpha, but...
How to correct indentation in IntelliJ
...for lock screen, but in Gnome 3 it was changed to Super+L (AKA Windows+L):
https://wiki.gnome.org/Design/OS/KeyboardShortcuts
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Explaining Apache ZooKeeper
...
I would suggest the following resources:
The paper: https://pdos.csail.mit.edu/6.824/papers/zookeeper.pdf
The lecture offered by MIT 6.824 from 36:00: https://youtu.be/pbmyrNjzdDk?t=2198
I would suggest watching the video, read the paper, and then watch the video again. It w...
How to check the version before installing a package using apt-get?
...ion-md5: 9160ed1405585ab844f8750a9305d33f
Homepage: http://redis.io/
Bugs: https://bugs.launchpad.net/ubuntu/+filebug
Origin: Ubunt
dpkg -l <package-name>
$ dpkg -l nginx
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend...
Twitter Bootstrap - Tabs - URL doesn't change
...ere's quite a bit involved, I think it's neatest as a small jQuery plugin: https://github.com/aidanlister/jquery-stickytabs
You can call the plugin like so:
$('.nav-tabs').stickyTabs();
I've made a blog post for this, http://aidanlister.com/2014/03/persisting-the-tab-state-in-bootstrap/
...
Local dependency in package.json
...els beyond hacky, but it seems to "work". Got the tip from this npm issue:
https://github.com/npm/npm/issues/1558#issuecomment-12444454
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