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Why is there “data” and “newtype” in Haskell? [duplicate]
... a much better understanding of lazy evaluation than I do. I stick to the idea in the Report, namely that newtype is there for you to rename an existing type, like having several different incompatible kinds of measurements:
newtype Feet = Feet Double
newtype Cm = Cm Double
both behave exact...
How to save traceback / sys.exc_info() values in a variable?
...nder how can I extract value from trace-back object sys.exc_info()[2]. Any idea?
– codersofthedark
Nov 23 '11 at 8:40
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Benefits of EBS vs. instance-store (and vice-versa) [closed]
...s it, run multiple instances of servers for load balancing and redundancy (ideally in multiple availability zones).
When Not To
At some points in time, it may be cheaper to achieve faster IO on Instance Store instances. There was a time when it was certainly true. Now there are many options for EB...
Difference between SelectedItem, SelectedValue and SelectedValuePath
...object. Please check my last scenario in the following list to get a brief idea about the properties.
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Why is using a wild card with a Java import statement bad?
...de.com/articles/importondemandisevil.html for details why it's evil. Basic idea: it can cause code to stop compiling when classes are added to packages that you import (like when List was added to java.util...)
– Scott Stanchfield
May 1 '12 at 16:21
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Why does an image captured using camera intent gets rotated on some devices on Android?
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Getting 0 always, any idea why?
– Navya Ramesan
May 23 '19 at 14:16
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ExecuteReader requires an open and available Connection. The connection's current state is Connectin
...faster than to create a new object for any action.
That is neither a good idea in terms of peformance nor in terms of fail-safety.
Don't poach on the Connection-Pool's territory
There's a good reason why ADO.NET internally manages the underlying Connections to the DBMS in the ADO-NET Connection-P...
Implement C# Generic Timeout
I am looking for good ideas for implementing a generic way to have a single line (or anonymous delegate) of code execute with a timeout.
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LINQ Aggregate algorithm explained
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It partly depends on which overload you're talking about, but the basic idea is:
Start with a seed as the "current value"
Iterate over the sequence. For each value in the sequence:
Apply a user-specified function to transform (currentValue, sequenceValue) into (nextValue)
Set currentValue = n...
Why use non-member begin and end functions in C++11?
...at I've described above.
Using std::begin and friends is particularly good idea when writing template code,
because this makes those templates more generic. For non-template you might just
as well use methods, when applicable.
P. S. I'm aware that this post is nearly 7 years old. I came across it ...