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What is “callback hell” and how and why does RX solve it?
Can someone give a clear definition together with a simple example that explains what is a "callback hell" for someone who does not know JavaScript and node.js ?
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Creating a temporary directory in Windows?
...a high probability of uniqueness, and it's also highly improbable that someone would manually create a directory with the same form as a GUID (and if they do then CreateDirectory() will fail indicating its existence.)
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How to implement an abstract class in ruby?
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You are replacing a one line method with meta-programming, now need to include a mixin and call a method. I don't think this is more declarative at all.
– Pascal
Dec 7 '14 at 13:47
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How to see the changes between two commits without commits in-between?
... answered Jul 28 '09 at 1:11
OneOfOneOneOfOne
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Use RSA private key to generate public key?
I don't really understand this one:
9 Answers
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A regular expression to exclude a word/string
...d):
^/(?!ignoreme|ignoreme2|ignoremeN)([a-z0-9]+)$
Note: There's only one capturing expression: ([a-z0-9]+).
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Run batch file as a Windows service
In order to run one application, a batch file has to be kicked off (which does things like start Jetty, display live logs, etc). The application will work only if this batch file is running. I am hence forced to have this batch file running and not logout from the Windows server.
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Password masking console application
...character (' ') between the backspace characters ('\b'). "\b \b" takes you one place back, then prints a space (which takes you one place forward) and then takes you back again, so you end up where the deleted '*' character was.
– dtb
Aug 4 '10 at 10:23
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Where does the “flatmap that s***” idiomatic expression in Scala come from?
... story I heard was that two preeminent Scala programmers were pairing when one of them started writing some code like this:
option match {
case Some ...
At which point the other said "What is this? Amateur hour? Flat map that shit!"
As to what's so powerful about flatMap, well... First, it's...
How to elegantly deal with timezones
I have a website that is hosted in a different timezone than the users using the application. In addition to this, users can have a specific timezone. I was wondering how other SO users and applications approach this? The most obvious part is that inside the DB, date/times are stored in UTC. When on...