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Java 8 stream reverse order
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answered Jun 3 '14 at 9:13
Stuart MarksStuart Marks
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How do I get the current absolute URL in Ruby on Rails?
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1454
For Rails 3.2 or Rails 4+
You should use request.original_url to get the current URL.
This m...
Google Maps Android API v2 Authorization failure
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104
Steps:
to ensure that device has Google Play services APK
to install Google Play Service rev. ...
Serialize object to query string in JavaScript/jQuery [duplicate]
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4 Answers
4
Active
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Locate Git installation folder on Mac OS X
...r/local/git by default. See also this answer. However, if you install XCode4, it will install a git version in /usr/bin. To ensure you can easily upgrade from the website and use the latest git version, edit either your profile information to place /usr/local/git/bin before /usr/bin in the $PATH or ...
Converting list to *args when calling function [duplicate]
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204
You can use the * operator before an iterable to expand it within the function call. For example...
C# convert int to string with padding zeros?
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i.ToString().PadLeft(4, '0') - okay, but doesn't work for negative numbers
i.ToString("0000"); - explicit form
i.ToString("D4"); - short form format specifier
$"{i:0000}"; - string interpolation (C# 6.0+)
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How do I combine two data-frames based on two columns? [duplicate]
...final example given in the documentation:
x <- data.frame(k1=c(NA,NA,3,4,5), k2=c(1,NA,NA,4,5), data=1:5)
y <- data.frame(k1=c(NA,2,NA,4,5), k2=c(NA,NA,3,4,5), data=1:5)
merge(x, y, by=c("k1","k2")) # NA's match
This example was meant to demonstrate the use of incomparables, but it illustra...
Remove background drawable programmatically in Android
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edited Nov 14 '14 at 8:06
answered Jul 26 '11 at 7:25
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