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How to parse/format dates with LocalDateTime? (Java 8)
...methods are available for all date/time related objects (e.g. LocalDate or ZonedDateTime)
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About Android image and asset sizes
... | 144 x 144 | 192 x 192
And these should display at roughly the same size on any device, provided you've placed these in density-specific folders (e.g. drawable-xhdpi, drawable-hdpi, etc.)
For reference, the pixel densities for these are:
ldpi | mdpi | tvdpi | hdpi | xhdpi | xxhdpi | xxx...
What's the difference between `1L` and `1`?
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typeof(x) # integer
y <- x+1
typeof(y) # double, twice the memory size
object.size(y) # 840 bytes (on win64)
z <- x+1L
typeof(z) # still integer
object.size(z) # 440 bytes (on win64)
...but also note that working excessively with integers can be dangerous:
1e9L * 2L # Works fine; fas...
How to clone a Date object?
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answered Jul 7 '09 at 7:24
Steve HarrisonSteve Harrison
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How can I plot with 2 different y-axes?
... <- 1:10
y <- rnorm(10)
## second data set on a very different scale
z <- runif(10, min=1000, max=10000)
par(mar = c(5, 4, 4, 4) + 0.3) # Leave space for z axis
plot(x, y) # first plot
par(new = TRUE)
plot(x, z, type = "l", axes = FALSE, bty = "n", xlab = "", ylab = "")
axis(side=4, at = ...
How to get the current time in YYYY-MM-DD HH:MI:Sec.Millisecond format in Java?
...ayJayJay
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Replacing some characters in a string with another character
I have a string like AxxBCyyyDEFzzLMN and I want to replace all the occurrences of x , y , and z with _ .
5 Answers
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Converting a UNIX Timestamp to Formatted Date String
...nvert UNIX timestamps to date strings similar to this: 2008-07-17T09:24:17Z
9 Answers
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Linux find file names with given string
...Adams
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Is there a printf converter to print in binary format?
...Whyte
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