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What is a deadlock?
...
X starts to use A.
X and Y try to start using B
Y 'wins' and gets B first
now Y needs to use A
A is locked by X, which is waiting for Y
The best way to avoid deadlocks is to avoid having processes cross over in this way. Reduce the need to lock anything as much as you can.
In databases avoid mak...
Difference between Java SE/EE/ME?
...eate files, directories, edit XML files and so on, nothing too complex for now.
14 Answers
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Showing the stack trace from a running Python application
... a process will be running for a long time but gets stuck sometimes for unknown and irreproducible reasons. Its a bit hacky, and only works on unix (requires signals):
import code, traceback, signal
def debug(sig, frame):
"""Interrupt running process, and provide a python prompt for
inter...
What does middleware and app.use actually mean in Expressjs?
... a late answer to add something not mentioned in the previous answers.
By now it should be clear that middleware is/are function(s) run between the client request and the server answer. The most common middleware functionality needed are error managing, database interaction, getting info from stati...
Why is my program slow when looping over exactly 8192 elements?
...9;
}
}
So that leaves the two outer-loops that we're interested in.
Now we can see the problem is the same in this question: Why does the order of the loops affect performance when iterating over a 2D array?
You are iterating the matrix column-wise instead of row-wise.
To solve this probl...
Is a successor for TeX/LaTeX in sight? [closed]
... the next 100 years or so" until something better comes along. For all we know, one might.]
There are TeX-based alternatives to LaTeX, such as ConTeXt and LuaTeX. It is possible that there are tasks for which they are better suited.
To answer your other objections: Although LaTeX has possibly in...
HTML5: Slider with two inputs possible?
... 1.2, so I'm confused about your 4.0). If you figure it out, I'd love to know.
– Gary
Sep 7 '15 at 16:18
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How to use the new affix plugin in twitter's bootstrap 2.1.0?
...: $('#nav').offset().top. And it should be inside a ready() block so you know the page layout is complete.
– orrd
Sep 10 '13 at 16:20
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Convert line-endings for whole directory tree (Git)
...ust used this to convert a whole bunch of files quickly and painlessly and now I can add them to the staging area in Git. On OSX 10.9.5, and not sure where the files were created.
– ryanwc
Dec 29 '15 at 12:52
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(13: Permission denied) while connecting to upstream:[nginx]
...onf
Change ownership to user.
sudo chown -R nginx:nginx /var/lib/nginx
Now see the magic.
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