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Copy a stream to avoid “stream has already been operated upon or closed”
...ata, then by definition you either have to generate it twice (deterministically) or store it. If it already happens to be in a collection, great; then iterating it twice is cheap.
We did experiment in the design with "forked streams". What we found was that supporting this had real costs; it bu...
What is “Argument-Dependent Lookup” (aka ADL, or “Koenig Lookup”)?
... good explanations on what argument dependent lookup is? Many people also call it Koenig Lookup as well.
4 Answers
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How to replace list item in best way
... once for the index. Your approach uses Contains first which needs to loop all items(in the worst case), then you're using IndexOf which needs to enumerate the items again .
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How do I create a foreign key in SQL Server?
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create table question_bank
(
question_id uniqueidentifier primary key,
question_exam_id uniqueidentifier not null,
question_text varchar(1024) not null,
question_point_value decimal,
constraint fk_questionbank_exams foreign ke...
Postgis installation: type “geometry” does not exist
...his is specific to a particular database that you are using. It is not installation-wide.
– fooquency
Aug 16 '17 at 20:42
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Utilizing the GPU with c# [closed]
...OpenTK -- dead/Cloo) - many of these are just bindings - ie enable you to call the GPU from C#, but your kernel code (code which is actually run on the GPU) needs to be written in C or OpenCL, meaning you must use (and learn) another language.
As I said, I would recommend Cudafy over all the other...
How to overload std::swap()
...ns are seen, the more specific one (this one) will be chosen when swap is called without qualification.
– Dave Abrahams
Apr 17 '11 at 14:24
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Conditional formatting based on another cell's value
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Note: when it says "B5" in the explanation below, it actually means "B{current_row}", so for C5 it's B5, for C6 it's B6 and so on. Unless you specify $B$5 - then you refer to one specific cell.
This is supported in Google Sheets as of 2015:
https://support.google.com/drive/answe...
What are the main purposes of using std::forward and which problems it solves?
... references. What is the purpose of doing that? How would that affect the called function inner if we leave t1 & t2 as lvalues?
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Ruby function to remove all white spaces?
What is the Ruby function to remove all white spaces? I'm looking for something kind of like PHP's trim() ?
23 Answers
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