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Why are side-effects modeled as monads in Haskell?
...mbedded in it, a monad instance means you can build and flatten new layers based on those values. So whatever meaning you assign to a single layer of the functor, a monad means you can create an unbounded number of layers with a strict notion of causality going from one to the next. Specific instanc...
UnicodeDecodeError when redirecting to file
...m). The correct, modern view properly separates these two string concepts, based on the following two points:
Characters are mostly unrelated to computers: one can draw them on a chalk board, etc., like for instance بايثون, 中蟒 and ????. "Characters" for machines also include "drawing ins...
Is there a link to GitHub for downloading a file in the latest release of a repository?
...un-monitor/bosun/releases/download/[0-9]*/scollector-linux-armv6' | wget --base=http://github.com/ -i - -O scollector
Explanation:
curl -s -L is to silently download the latest release HTML (after following redirect)
egrep -o '...' uses regex to find the file you want
wget --base=http://github....
What is the difference between Swing and AWT?
...
The base difference that which already everyone mentioned is that one is heavy weight and other is light weight. Let me explain, basically what the term heavy weight means is that when you're using the awt components the native c...
ASP.NET MVC Custom Error Handling Application_Error Global.asax?
...page again and again... (for instance, you want to log your error in a database and it is down).
– andrecarlucci
Aug 19 '09 at 13:24
125
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What is a patch in git version control?
... robots.thoughtbot.com/…. My basic example summary: git format-patch <base_commit_or_branch_name> = wrap up all commits from now back to <base_commit_or_branch_name> into nice and neat files containing the diff as well as the commit messages, for easy sending (ex: via email) to someone...
Event Signature in .NET — Using a Strong Typed 'Sender'? [closed]
...t is not restricted to inherit from the 'EventArgs' class. The 'EventArgs' base class is bascially empty; maybe they are moving away from this restriction?
– Mike Rosenblum
Mar 19 '12 at 4:44
...
Is it safe to assume a GUID will always be unique?
...ponent in a piece of software could be the same as a GUID you use in a database row in your own application without causing any problems
– James Thorpe
Jun 9 '14 at 10:36
1
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Best exception for an invalid generic type argument
... MSDN class remarks:
There are methods that are not
supported in the base class, with the
expectation that these methods will be
implemented in the derived classes
instead. The derived class might
implement only a subset of the methods
from the base class, and throw
NotSupportedExc...
I need to store postal codes in a database. How big should the column be?
I expect the column to be a VARCHAR2, in my Oracle Database.
8 Answers
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