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Reshape three column data frame to matrix (“long” to “wide” format) [duplicate]
...lyr, with the daply function, as shown here: https://stackoverflow.com/a/7020101/210673
library(plyr)
daply(tmp, .(x, y), function(x) x$z)
## y
## x a b c
## x 1 2 3
## y 3 3 2
Using matrix indexing:
This is kinda old school but is a nice demonstration of matrix indexing, which can be r...
Select + copy text in a TextView?
...est solution.
– Brave
Jun 26 '16 at 20:05
9
Why textIsSelectableis not enough ? it's works for me...
Ruby class instance variable vs. class variable
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answered Apr 2 '13 at 20:24
PhrogzPhrogz
261k9494 gold badges597597 silver badges679679 bronze badges
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Finding current executable's path without /proc/self/exe
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OpenBSD is the only one where you still can't in 2017. You have to use the PATH and argv[0] way
– Lothar
Apr 25 '17 at 11:06
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How can I query a value in SQL Server XML column
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200
select
Roles
from
MyTable
where
Roles.value('(/root/role)[1]', 'varchar(max)') like 'Str...
Use of Application.DoEvents()
...|
edited Oct 23 '16 at 10:20
Peter Mortensen
26.5k2121 gold badges9292 silver badges122122 bronze badges
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EOFError: end of file reached issue with Net::HTTP
... The blog post link is broken, but try this: web.archive.org/web/20150429191916/http://expressica.com/2012/…
– Henrik N
Nov 14 '16 at 8:01
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Convert HTML to PDF in .NET
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204
EDIT: New Suggestion
HTML Renderer for PDF using PdfSharp
(After trying wkhtmltopdf and sug...
Random float number generation
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This answer is misleading. It was covered at Going Native 2013 last week; rand() Considered Harmful, channel9.msdn.com/Events/GoingNative/2013/… for a very detailed explanation.
– Ade Miller
Sep 8 '13 at 0:13
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How to grep and replace
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257
Another option is to use find and then pass it through sed.
find /path/to/files -type f -exec...