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What Process is using all of my disk IO
...s axu | awk '{if (\$8==\"D\") {print \$0}}'"
Wed Aug 29 13:00:46 CLT 2012
root 321 0.0 0.0 0 0 ? D May28 4:25 \_ [jbd2/dm-0-8]
Wed Aug 29 13:00:47 CLT 2012
Wed Aug 29 13:00:48 CLT 2012
Wed Aug 29 13:00:49 CLT 2012
Wed Aug 29 13:00:50 CLT 2012
root 321 0.0 0.0 ...
Clone private git repo with dockerfile
...
# Install software
RUN apt-get install -y git
# Make ssh dir
RUN mkdir /root/.ssh/
# Copy over private key, and set permissions
# Warning! Anyone who gets their hands on this image will be able
# to retrieve this private key file from the corresponding image layer
ADD id_rsa /root/.ssh/id_rsa
#...
How to efficiently build a tree from a flat structure?
...t AssociatedObject { get; set; }
}
IEnumerable<Node> BuildTreeAndGetRoots(List<MyObject> actualObjects)
{
Dictionary<int, Node> lookup = new Dictionary<int, Node>();
actualObjects.ForEach(x => lookup.Add(x.ID, new Node { AssociatedObject = x }));
foreach (var ...
How does Java Garbage Collection work with Circular References?
... if they aren't reachable through a chain starting at a garbage collection root, so these objects will be collected. Even though objects may point to each other to form a cycle, they're still garbage if they're cut off from the root.
See the section on unreachable objects in Appendix A: The Truth ...
Android Debug Bridge (adb) device - no permissions [duplicate]
...
Giving adb root access by default bothers me, especially since all devices do not need adb to as root. To make things easier you can create a bash script and run that with sudo
– Leon
May 10 '13 at...
Having links relative to root?
Is there a way to have all links on a page be relative to the root directory?
6 Answers
...
Is there a way for non-root processes to bind to “privileged” ports on Linux?
...recent kernel, it is indeed possible to use this to start a service as non-root but bind low ports. The short answer is that you do:
setcap 'cap_net_bind_service=+ep' /path/to/program
And then anytime program is executed thereafter it will have the CAP_NET_BIND_SERVICE capability. setcap is in th...
What is Full Text Search vs LIKE
...
MySQL creates an index from the words of the enabled full-text search column and performs searches on this index. MySQL uses a sophisticated algorithm to determine the rows matched against the search query.
Also, from this S...
Is there a REAL performance difference between INT and VARCHAR primary keys?
...e performance difference between using INT vs. VARCHAR as a primary key in MySQL? I'd like to use VARCHAR as the primary key for reference lists (think US States, Country Codes) and a coworker won't budge on the INT AUTO_INCREMENT as a primary key for all tables.
...
How do I calculate square root in Python?
...valuate to 0.
And for the record, the preferred way to calculate a square root is this:
import math
math.sqrt(x)
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