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How dangerous is it to compare floating point values?
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First of all, floating point values are not "random" in their behavior. Exact comparison can and does make sense in plenty of real-world usages. But if you're going to use floating point you need to be aware of how it works. Erring on the side of assuming floating point wo...
Restore file from old commit in git
...few weeks ago. I want to restore only a single file from that commit. What do I do?
4 Answers
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What is the recommended way to delete a large number of items from DynamoDB?
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What I ideally want to do is call LogTable.DeleteItem(user_id) -
Without supplying the range, and have it delete everything for me.
An understandable request indeed; I can imagine advanced operations like these might get added over time by the ...
How to check for the type of a template parameter?
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One quick follow-up, if I do use std::is_same, then it will NOT slow down the code for other template parameters, right?
– WhatABeautifulWorld
Nov 30 '12 at 17:04
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Is there any good dynamic SQL builder library in Java? [closed]
...nt, but Querydsl has a simpler API and supports also other backends (JPA, JDO, Lucene, Mongodb etc.); I am also in the company behind Querydsl
– Timo Westkämper
Apr 12 '11 at 5:55
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How to check for DLL dependency?
Sometimes when I'm doing a little project I'm not careful enough and accidentally add a dependency for a DLL that I am not aware of. When I ship this program to a friend or other people, "it doesn't work" because "some DLL" is missing. This is of course because the program can find the DLL on my sy...
SQL Switch/Case in 'where' clause
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Why are the @ needed? What do they do?
– Tadej
Nov 9 '17 at 12:57
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Mock HttpContext.Current in Test Init Method
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HttpContext.Current returns an instance of System.Web.HttpContext, which does not extend System.Web.HttpContextBase. HttpContextBase was added later to address HttpContext being difficult to mock. The two classes are basically unrelated (HttpContextWrapper is used as an adapter between them).
For...
make_unique and perfect forwarding
...r of the C++ standardization committee, writes on his blog:
That C++11 doesn’t include make_unique is partly an oversight, and it will almost certainly be added in the future.
He also gives an implementation that is identical with the one given by the OP.
Edit: std::make_unique now is part ...
Could someone explain the pros of deleting (or keeping) unused code?
...at at sometime someone will make a change
which inadvertently involve the 'dormant' code and can introduce
bugs. I know it's happened on projects I've worked on.
The maintenance of any code is an administrative burden. By preserving
old redundant code that burden is increased. For example, merging c...