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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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How do I change the background color of a plot made with ggplot2
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How can I list (ls) the 5 last modified files in a directory?
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answered Mar 28 '13 at 20:19
Paul RubelPaul Rubel
24.1k77 gold badges5353 silver badges7676 bronze badges
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How to calculate time in hours between two dates in iOS
...weenDates = [date1 timeIntervalSinceDate:date2];
double secondsInAnHour = 3600;
NSInteger hoursBetweenDates = distanceBetweenDates / secondsInAnHour;
See, the apple reference library http://developer.apple.com/library/mac/navigation/
or if you are using Xcode just select help/documentation from ...
git diff renamed file
...tect copies, you can use -C:
git diff -C HEAD^^ HEAD
Result:
index ce01362..dd7e1c6 100644
--- a/a.txt
+++ b/a.txt
@@ -1 +1 @@
-hello
+goodbye
diff --git a/a.txt b/test/a.txt
similarity index 100%
copy from a.txt
copy to test/a.txt
Incidentally, if you restrict your diff to just one path (as y...
Reading GHC Core
...ler inliner, Peyton Jones and Marlow, 1999. Core is described in Section 2.3, including details on the occurrence analysis annotations.
A transformation-based optimiser for Haskell, Peyton Jones and Santos, 1998. Core is described in S3, including a discussion of polymorphism and operational reading...
Loop through each row of a range in Excel
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edited Dec 3 '11 at 1:36
Rachel Hettinger
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Why is git prompting me for a post-pull merge commit message?
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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...
bower automatically update bower.json
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from bower help, save option has a capital S
-S, --save Save installed packages into the pro...