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Virtual Serial Port for Linux

...; ttyp5 will act just like a serial port, but will send/receive everything it does via /dev/ptyp5. If you really need it to talk to a file called /dev/ttys2, then simply move your old /dev/ttys2 out of the way and make a symlink from ptyp5 to ttys2. Of course you can use some number other than pty...
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IllegalStateException: Can not perform this action after onSaveInstanceState with ViewPager

...he proper solution was (as seen in the comments) to use : transaction.commitAllowingStateLoss(); when adding or performing the FragmentTransaction that was causing the Exception. share | improve ...
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Pad a string with leading zeros so it's 3 characters long in SQL Server 2008

I have a string that is up to 3 characters long when it's first created in SQL Server 2008 R2. 17 Answers ...
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What is the purpose of the word 'self'?

What is the purpose of the self word in Python? I understand it refers to the specific object created from that class, but I can't see why it explicitly needs to be added to every function as a parameter. To illustrate, in Ruby I can do this: ...
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No newline at end of file

When doing a git diff it says "No newline at end of file" . 12 Answers 12 ...
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What is the purpose of shuffling and sorting phase in the reducer in Map Reduce Programming?

...p Reduce programming the reduce phase has shuffling, sorting and reduce as its sub-parts. Sorting is a costly affair. 9 Ans...
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Suppressing “warning CS4014: Because this call is not awaited, execution of the current method conti

This is not a duplicate of "How to safely call an async method in C# without await" . 8 Answers ...
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Is it possible to program iPhone in C++

I'm all for language diversity, but Objective C is insane. So I'm curious: is it possible to code iPhone apps with C++ while using the Cocoa API, etc? ...
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Custom HTTP headers : naming conventions

... The recommendation is was to start their name with "X-". E.g. X-Forwarded-For, X-Requested-With. This is also mentioned in a.o. section 5 of RFC 2047. Update 1: On June 2011, the first IETF draft was posted to deprecate the recommendation of using the "X-" prefix for n...
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Difference between null and empty (“”) Java String

... "" is an actual string, albeit an empty one. null, however, means that the String variable points to nothing. a==b returns false because "" and null do not occupy the same space in memory--in other words, their variables don't point to the same object...