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Which rows are returned when using LIMIT with OFFSET in MySQL?
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It will return 18 results starting on record #9 and finishing on record #26.
Start by reading the query from offset. First you offset by 8, which means you skip the first 8 results of the query. Then you limit by 18. Which means you conside...
Assign multiple columns using := in data.table, by group
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This now works in v1.8.3 on R-Forge. Thanks for highlighting it!
x <- data.table(a = 1:3, b = 1:6)
f <- function(x) {list("hi", "hello")}
x[ , c("col1", "col2") := f(), by = a][]
# a b col1 col2
# 1: 1 1 hi hello
# 2: 2 2 hi hell...
Regex to validate password strength
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438
You can do these checks using positive look ahead assertions:
^(?=.*[A-Z].*[A-Z])(?=.*[!@#$&a...
How to parameterize @Scheduled(fixedDelay) with Spring 3.0 expression language?
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answered Apr 8 '10 at 19:08
Grzegorz OledzkiGrzegorz Oledzki
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Bootstrap 3 breakpoints and media queries
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208
Bootstrap 4 Media Queries
// Extra small devices (portrait phones, less than 576px)
// No media...
How can I break an outer loop with PHP?
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answered May 4 '11 at 8:14
lucian303lucian303
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Intersection of two lists in Bash
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answered Apr 23 '10 at 3:58
ghostdog74ghostdog74
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Is there a ceiling equivalent of // operator in Python?
...Machavity♦
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answered Feb 11 '13 at 22:35
Charles SalviaCharles Salvia
4...
No secret option provided to Rack::Session::Cookie warning?
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86
This is a Rails bug, as the subclass is violating the superclass API contract.
The warn...
Remove non-utf8 characters from string
Im having a problem with removing non-utf8 characters from string, which are not displaying properly. Characters are like this 0x97 0x61 0x6C 0x6F (hex representation)
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