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Is there any difference between __DIR__ and dirname(__FILE__) in PHP?
... the same output :
string '/home/squale/developpement/tests/temp' (length=37)
But, there are at least two differences :
__DIR__ only exists with PHP >= 5.3
which is why dirname(__FILE__) is more widely used
__DIR__ is evaluated at compile-time, while dirname(__FILE__) means a function-ca...
Reorder bars in geom_bar ggplot2
...:
Used data:
corr.m <- structure(list(miRNA = structure(c(5L, 2L, 3L, 6L, 1L, 4L), .Label = c("mmu-miR-139-5p", "mmu-miR-1983", "mmu-miR-301a-3p", "mmu-miR-5097", "mmu-miR-532-3p", "mmu-miR-96-5p"), class = "factor"),
variable = structure(c(1L, 1L, 1L, 1L, 1L, 1L), ...
Pass a data.frame column name to a function
... just use the column name directly:
df <- data.frame(A=1:10, B=2:11, C=3:12)
fun1 <- function(x, column){
max(x[,column])
}
fun1(df, "B")
fun1(df, c("B","A"))
There's no need to use substitute, eval, etc.
You can even pass the desired function as a parameter:
fun1 <- function(x, colu...
Get PostGIS version
...
334
Since some of the functions depend on other libraries like GEOS and proj4 you might want to ge...
How to read environment variables in Scala
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237
Since Scala 2.9 you can use sys.env for the same effect:
scala> sys.env("HOME")
res0: Strin...
Display milliseconds in Excel
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edited Jun 22 '10 at 19:38
answered Jun 22 '10 at 17:26
B...
Vim: How to change the highlight color for search hits and quickfix selection
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Format an Integer using Java String Format
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3 Answers
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How to return a 200 HTTP Status Code from ASP.NET MVC 3 controller
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393
In your controller you'd return an HttpStatusCodeResult like this...
[HttpPost]
public Action...
Difference between CC, gcc and g++?
What are the difference between the 3 compilers CC, gcc, g++ when compiling
C and C++ code in terms of assembly
code generation, available libraries, language features, etc.?
...