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Efficient list of unique strings C#
...nts as a good answer, but when faced with the need for a unique set that maintains insertion order, I compromised with a HashSet and a List side-by-side. In this case, whenever you add to the set, do the following:
if(hashSet.Add(item))
orderList.Add(item);
When removing items, make sure to ...
Updating MySQL primary key
I have a table user_interactions with 4 columns:
3 Answers
3
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How can I remove an entry in global configuration with git config?
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"You can tell Git to convert CRLF to LF on commit but not the other way around by setting core.autocrlf to input:" From: git-scm.com/book/en/v2/…
– colin_froggatt
May 6 '15 at 13:11
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Replacement for “rename” in dplyr
...umn names. This example replaces spaces and periods with an underscore and converts everything to lower case:
iris %>%
select_all(~gsub("\\s+|\\.", "_", .)) %>%
select_all(tolower) %>%
head(2)
sepal_length sepal_width petal_length petal_width species
1 5.1 3.5 ...
Declare variable in table valued function
... to do like this instead:
create function Func()
returns @T table(ColName int)
as
begin
declare @Var int
set @Var = 10
insert into @T(ColName) values (@Var)
return
end
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How do I compare two strings in Perl?
...o be different. How hard is that?! Being a numeric comparison operator, != converts both its operands to numbers perl -E 'say "equal" if not "a" != "b"'.
– Sinan Ünür
Jan 24 '15 at 17:36
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Selenium WebDriver: Wait for complex page with JavaScript to load
...ge and could prolong the test significantly.
You never know what the right interval is. The script might be downloading something big that takes more than 500 ms. There are several scripts on our company's internal page that take several seconds in IE. Your computer may be temporarily short on resou...
How to compare types
...ue is a string and you can do your work here
}
this has the advantage to convert value only once into the specified type.
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2D cross-platform game engine for Android and iOS? [closed]
...e engine few days ago. It uses C# and have Windows Phone and Windows Store converters as well which makes it a great replacement of XNA for me
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How to generate a number of most distinctive colors in R?
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Is there a possibility to convert the hex codes in col to corresponding color names?
– Prradep
Jul 13 '17 at 13:50
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