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Testing if object is of generic type in C#
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206
If you want to check if it's an instance of a generic type:
return list.GetType().IsGenericTy...
What is code coverage and how do YOU measure it?
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257
Code coverage is a measurement of how many lines/blocks/arcs of your code are executed while t...
What is the difference between instanceof and Class.isAssignableFrom(…)?
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edited Oct 2 '16 at 20:04
Andrew Tobilko
42.5k1111 gold badges6666 silver badges119119 bronze badges
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How do I revert all local changes in Git managed project to previous state?
... that you have committed, do this:
git revert <commit 1> <commit 2>
If you want to remove untracked files (e.g., new files, generated files):
git clean -f
Or untracked directories (e.g., new or automatically generated directories):
git clean -fd
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How to read/write from/to file using Go?
... // make a buffer to keep chunks that are read
buf := make([]byte, 1024)
for {
// read a chunk
n, err := fi.Read(buf)
if err != nil && err != io.EOF {
panic(err)
}
if n == 0 {
break
}
// write a chunk
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git replace local version with remote version
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answered Mar 13 '11 at 8:22
Olivier VerdierOlivier Verdier
39.3k2626 gold badges9292 silver badges8989 bronze badges
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Objective-C: Where to remove observer for NSNotification?
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112
The generic answer would be "as soon as you no longer need the notifications". This is obviously...
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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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...