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Delete all but the most recent X files in bash
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edited Oct 26 '19 at 16:12
answered Jan 18 '16 at 19:24
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jQuery Plugin: Adding Callback functionality
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edited Mar 28 '10 at 22:30
answered Mar 28 '10 at 20:40
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ActiveRecord OR query
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or(t[:title].matches("%something%"))
)
The resulting SQL:
ree-1.8.7-2010.02 > puts Post.where(t[:author].eq("Someone").or(t[:title].matches("%something%"))).to_sql
SELECT "posts".* FROM "posts" WHERE (("posts"."author" = 'Someone' OR "posts"."title" LIKE '%something%'))
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ctypes - Beginner
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229
Here's a quick and dirty ctypes tutorial.
First, write your C library. Here's a simple Hello w...
How do I reword the very first git commit message?
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218
Do git rebase -i --root
(point to root instead of pointing to a specific commit)
This way, t...
Controlling number of decimal digits in print output in R
...oblem, since R can handle number as small as .Machine$double.xmin (usually 2e-308).
Compare these two analyses.
x1 <- rnorm(50, 1, 1e-15)
y1 <- rnorm(50, 1 + 1e-15, 1e-15)
t.test(x1, y1) #Should throw an error
x2 <- rnorm(50, 0, 1e-15)
y2 <- rnorm(50, 1e-15, 1e-15)
t.test(x2, y2) #o...
WebException how to get whole response with a body?
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var resp = new StreamReader(ex.Response.GetResponseStream()).ReadToEnd();
dynamic obj = JsonC...
What's the difference between IEquatable and just overriding Object.Equals()?
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The main reason is performance. When generics were introduced in .NET 2.0 they were able to ad...