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do { … } while (0) — what is it good for? [duplicate]

...ostly in #defines, I assume it's good for inner scope variable declaration and for using breaks (instead of gotos.) 5 Answe...
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Synchronously waiting for an async operation, and why does Wait() freeze the program here

...ing on a thread pool thread, it doesn't try to come back to the UI thread, and everything therefore works. Alternatively, you could call StartAsTask().ConfigureAwait(false) before awaiting the inner operation to make it come back to the thread pool rather than the UI thread, avoiding the deadlock e...
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What is wrong with using goto? [duplicate]

I was ramdomming through xkcd and saw this one (if also read some negative texts about them some years ago): What is actually wrong with it? Why are goto's even possible in C++ then? ...
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Extract a regular expression match

... wraps all the existing regular expression operates in a consistent syntax and adds a few that are missing: library(stringr) str_locate("aaa12xxx", "[0-9]+") # start end # [1,] 4 5 str_extract("aaa12xxx", "[0-9]+") # [1] "12" ...
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Read input from console in Ruby?

...ing like that? Update Kernel.gets tries to read the params found in ARGV and only asks to console if not ARGV found. To force to read from console even if ARGV is not empty use STDIN.gets share | ...
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Which parts of Real World Haskell are now obsolete or considered bad practice?

...rsion 3.0.x.x. 6.10.1 already used 4.0.0.0, which introduced many changes. And that's just the jump from 6.8 to 6.10. The current version of GHC is 7.10. Monads have been changed. There's currently a discussion to remove return from Monad, so the Monad instance in Real World Haskell will really be o...
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How to set username and password for SmtpClient object in .NET?

...of the constructor, one uses info from web.config, one specifies the host, and one the host and port. But how do I set the username and password to something different from the web.config? We have the issue where our internal smtp is blocked by some high security clients and we want to use their smt...
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How can I wait for set of asynchronous callback functions?

...h your code, so I'll make up a scenario. Let's say you have 10 ajax calls and you want to accumulate the results from those 10 ajax calls and then when they have all completed you want to do something. You can do it like this by accumulating the data in an array and keeping track of when the last ...
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Write a function that returns the longest palindrome in a given string

...ng Manacher's Algorithm in O(n) time! Its implementation can be found here and here. For input String s = "HYTBCABADEFGHABCDEDCBAGHTFYW1234567887654321ZWETYGDE" it finds the correct output which is 1234567887654321. share ...
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Is there a way to define a min and max value for EditText in Android?

I want to define a min and max value for an EditText . 24 Answers 24 ...