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How does the vim “write with sudo” trick work?
Many of you have probably seen the command that allows you to write on a file that needs root permission, even when you forgot to open vim with sudo:
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SQL left join vs multiple tables on FROM line?
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The old syntax, with just listing the tables, and using the WHERE clause to specify the join criteria, is being deprecated in most modern databases.
It's not just for show, the old syntax has the possibility of being ambiguous when you use b...
Can you explain the concept of streams?
...tion of a sequence of bytes. Each stream provides means for reading and writing bytes to its given backing store. But what is the point of the stream? Why isn't the backing store itself what we interact with?
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What's the best way to learn LISP? [closed]
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I think I saw that book at my campus... so ill go pick it up right now!
– DFectuoso
Dec 29 '08 at 20:53
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How do you design object oriented projects? [closed]
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The steps that I use for initial design (getting to a class diagram), are:
Requirements gathering. Talk to the client and factor out the use cases to define what functionality the software should have.
Compose a narrative of the individual use cases...
Taskkill /f doesn't kill a process
...), a zombile devenv.exe process remains running which I am unable to kill. It holds on to many of my dlls.
27 Answers
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Is there a Java reflection utility to do a deep comparison of two objects?
I'm trying to write unit tests for a variety of clone() operations inside a large project and I'm wondering if there is an existing class somewhere that is capable of taking two objects of the same type, doing a deep comparison, and saying if they're identical or not?
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What does $$ mean in the shell?
...his does produce a number that varies from time to time... but if you call it repeatedly, it returns the same number. (The solution is to just use the time.)
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How to make a programme continue to run after log out from ssh? [duplicate]
I have a program that takes a lot of time to finish.
It is running as root over ssh.
I want it to continue to run after I logout,is this possible and how would I achieve this?
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Convert date to datetime in Python
...xample getting the datetime for the midnight of the given date? The opposite conversion is easy: datetime has a .date() method.
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