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Run an untrusted C program in a sandbox in Linux that prevents it from opening files, forking, etc.?
...Jslinux, we'll use that as the userland (it has the tcc C-compiler):
wget https://github.com/levskaya/jslinux-deobfuscated/raw/master/root.bin
We want to put the student's submission in root.bin, so set up the loop device:
sudo losetup /dev/loop0 root.bin
(you could use fuseext2 for this too, but...
What do < and > stand for?
... CDATA "&#62;" -- greater-than sign, U+003E ISOnum -->
http://www.w3.org/TR/html4/sgml/entities.html
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How to copy a selection to the OS X clipboard
... Aug 9, compiled Nov 11 2008 17:20:43)
Included patches: 1-22
Compiled by _www@b77.apple.com
Normal version without GUI. Features included (+) or not (-):
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-clientserver -clipboard +cmdline_compl +cmdline_hist +cmdline_info +comments
...
If it had been compiled with +clipboard, I'd be able to ...
PostgreSQL error 'Could not connect to server: No such file or directory'
...probably /usr/local/var/postgres/
remove this and start server.
Check - https://github.com/mperham/lunchy is a great wrapper for launchctl.
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grunt: command not found when running from terminal
...re/grunt/was/installed
4. source ~/.bash_profile
You can refer
http://www.hongkiat.com/blog/grunt-command-not-found/
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How to cache data in a MVC application
...s that are designed for both Web and non-Web applications.
More info:
https://msdn.microsoft.com/en-us/library/dd997357(v=vs.110).aspx
https://docs.microsoft.com/en-us/dotnet/framework/performance/caching-in-net-framework-applications
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Android - Emulator in landscape mode, screen does not rotate
... emulators.
http://code.google.com/p/android/issues/detail?id=13189 [v2.3]
https://code.google.com/p/android/issues/detail?id=61671 [v4.4]
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What's the difference between JPA and Hibernate? [closed]
...since JPA does not provide the interface to do that thing.
Source: http://www.reddit.com/r/java/comments/16ovek/understanding_when_to_use_jpa_vs_hibernate/
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edited Sep 3...
What is the non-jQuery equivalent of '$(document).ready()'?
...nsole.log("DOM is ready, come and get it!"));
Additional Readings
https://developer.mozilla.org/en-US/docs/Web/Events/DOMContentLoaded
Checking whether loading is already complete
https://developer.mozilla.org/en-US/docs/Web/API/Document/readyState
Update
Here's some quick utility h...
“for” vs “each” in Ruby
....com/articles/enumerable-each-vs-for-loops-in-ruby
for more clear: http://www.ruby-forum.com/topic/179264#784884
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