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Order data frame rows according to vector with specific order
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Try match:
df <- data.frame(name=letters[1:4], value=c(rep(TRUE, 2), rep(FALSE, 2)))
target...
Postgres: Distinct but only for one column
... (having more than 1 mio. rows), but I have also many duplicates. I select 3 fields: id , name , metadata .
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C++: Rounding up to the nearest multiple of a number
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How does type Dynamic work and how to use it?
...> val d = new DynImpl
d: DynImpl = DynImpl@6040af64
scala> d.foo
res37: String = foo
scala> d.bar
res38: String = bar
scala> d.selectDynamic("foo")
res54: String = foo
As one can see, it is also possible to call the dynamic methods explicitly.
updateDynamic
Because updateDynamic i...
Email address validation using ASP.NET MVC data type attributes
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333
If you are using .NET Framework 4.5, the solution is to use EmailAddressAttribute which reside...
How to check if object has any properties in JavaScript?
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edited Dec 4 '18 at 3:39
Reese Jones
6855 bronze badges
answered Apr 20 '10 at 6:49
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How to select multiple rows filled with constants?
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SELECT 1, 2, 3
UNION ALL SELECT 4, 5, 6
UNION ALL SELECT 7, 8, 9
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How to list the contents of a package using YUM?
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438
There is a package called yum-utils that builds on YUM and contains a tool called repoquery tha...
Why is git prompting me for a post-pull merge commit message?
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3 Answers
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Using querySelector with IDs that are numbers
...Unicode code point. For example, the code point for the character 1 is U+0031, so you would escape it as \000031 or \31 .
Basically, to escape any numeric character, just prefix it with \3 and append a space character ( ). Yay Unicode!
So your code would end up as (CSS first, JS second):
#\3...