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What is the difference between buffer and cache memory in Linux?

...uffers", only this time it caches pages from file reading. quote from: https://web.archive.org/web/20110207101856/http://www.linuxforums.org/articles/using-top-more-efficiently_89.html share | ...
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Two-way encryption: I need to store passwords that can be retrieved

...ck will also give them full access to the keys involved. Sniffing the raw HTTP traffic will also give them the keys. Use SSL for all traffic. And make sure nothing on the server has any kind of vulnerabilities (CSRF, XSS, SQL Injection, Privilege Escalation, Remote Code Execution, etc). Edit: H...
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How to open a web server port on EC2 instance

...s apart of Click on Inbound Rules Use the drop down and add HTTP (port 80) Click Apply and enjoy share | improve this answer | follow ...
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Using python “with” statement with try-except block

...make sure to close it. Here is link for understanding "with" statement : http://effbot.org/zone/python-with-statement.htm Edit: Yes your usage of "with" is correct and functionality of both blocks of code is identical. Question about why to use "with" ? it's because of benefits you get with it. l...
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How can you profile a Python script?

... The python wiki is a great page for profiling resources: http://wiki.python.org/moin/PythonSpeed/PerformanceTips#Profiling_Code as is the python docs: http://docs.python.org/library/profile.html as shown by Chris Lawlor cProfile is a great tool and can easily be used to print to ...
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How does Trello access the user's clipboard?

... What I am missing? Sovled thanks to VadimIvanov. See a working example: http://jsfiddle.net/AGEf7/ share | improve this answer | follow | ...
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C# - Selectively suppress custom Obsolete warnings

... You're looking for the #pragma warning disable directive http://msdn.microsoft.com/en-us/library/441722ys(VS.80).aspx Essentially you add the following command above the call site in the .cs file. #pragma warning disable 612 SomeMethodCall 612 is the error message ID for cal...
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Entity Framework code first unique column

...-byte limit for the maximum total size of all index key columns." (from: http://msdn.microsoft.com/en-us/library/ms191241.aspx ) You can solve this by setting a maximum string length on your model: [StringLength(450)] Your model will look like this now in EF CF 6.1+: public class User { pu...
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git -> show list of files changed in recent commits in a specific directory

...nd to display commit log messages -- for details see the online manual at http://svnbook.red-bean.com/en/1.7/svn.ref.svn.c.log.html ...
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Compare if two variables reference the same object in python

...eally like to have a visual feedback, that's why I sometimes just open up http://www.pythontutor.com/visualize.html#mode=edit to see how the memory is allocated and what is referencing what. Added this awesome gif as this reply is about visualizing.. ...