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Java Generate Random Number Between Two Given Values [duplicate]
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int Random = (int)(Math.random()*100);
if You need to generate more than one value, then just use
for loop for that
for (int i = 1; i <= 10 ; i++)
{
int Random = (int)(Math.random()*100);
System.out.println(Random);
}
If You w...
Overlaying histograms with ggplot2 in R
...ere's a concrete example with some output:
dat <- data.frame(xx = c(runif(100,20,50),runif(100,40,80),runif(100,0,30)),yy = rep(letters[1:3],each = 100))
ggplot(dat,aes(x=xx)) +
geom_histogram(data=subset(dat,yy == 'a'),fill = "red", alpha = 0.2) +
geom_histogram(data=subset(dat,yy == ...
Is there a way to specify an “empty” C# lambda expression?
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How to display Toast in Android?
...two constants for duration:
int LENGTH_LONG Show the view or text notification for a long period
of time.
int LENGTH_SHORT Show the view or text notification for a short period
of time.
Customizing your toast
LayoutInflater myInflater = LayoutInflater.from(this);
View view = m...
Find and replace strings in vim on multiple lines
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:6,10s/<search_string>/<replace_string>/g | 14,18&&
If you have many ranges though, I'd rather use a loop:
:for range in split('6,10 14,18')| exe range 's/<search_string>/<replace_string>/g' | endfor
...
What is the size of an enum in C?
...ating a set of enum values, but I need each enum value to be 64 bits wide. If I recall correctly, an enum is generally the same size as an int; but I thought I read somewhere that (at least in GCC) the compiler can make the enum any width they need to be to hold their values. So, is it possible to h...
PHP array: count or sizeof?
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I would use count() if they are the same, as in my experience it is more common, and therefore will cause less developers reading your code to say "sizeof(), what is that?" and having to consult the documentation.
I think it means sizeof() does...
Java concurrency: Countdown latch vs Cyclic barrier
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One major difference is that CyclicBarrier takes an (optional) Runnable task which is run once the common barrier condition is met.
It also allows you to get the number of clients waiting at the barrier and the number required to tri...
Can PHP PDO Statements accept the table or column name as parameter?
...ample here generates invalid SQL for bad input, because it has no default. If using this pattern, you should either label one of your cases as default, or add an explicit error case such as default: throw new InvalidArgumentException;
– IMSoP
Oct 22 '15 at 9:34...
MySQL offset infinite rows
...s the number of records in the limit, but consider this: What would you do if you got 18,446,744,073,709,551,615 records back? In fact, what would you do if you got 1,000,000,000 records?
Maybe you do want more than one billion records, but my point is that there is some limit on the number you wan...