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Generate unique random numbers between 1 and 100
How can I generate some unique random numbers between 1 and 100 using JavaScript?
29 Answers
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Round to at most 2 decimal places (only if necessary)
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Use Math.round(num * 100) / 100
Edit: to ensure things like 1.005 round correctly, we use
Math.round((num + Number.EPSILON) * 100) / 100
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How to create a button programmatically?
...idLoad() {
super.viewDidLoad()
let button = UIButton(frame: CGRect(x: 100, y: 100, width: 100, height: 50))
button.backgroundColor = .greenColor()
button.setTitle("Test Button", forState: .Normal)
button.addTarget(self, action: #selector(buttonAction), forControlEvents: .TouchUpInside)
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JavaScript math, round to two decimal places [duplicate]
...urn a number to a string, back to a number. I've found that Math.round(x * 100) / 100; is the easiest, simplest way to round to two decimal places.
– Marquizzo
Jun 5 '15 at 23:33
9...
Moving decimal places over in a double
...erforming the calculation twice, you are compounding that error.
However, 100 can be represented accurately, so try:
double x = 1234;
x /= 100;
System.out.println(x);
which prints:
12.34
This works because Double.toString(d) performs a small amount of rounding on your behalf, but it is not mu...
round up to 2 decimal places in java? [duplicate]
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Well this one works...
double roundOff = Math.round(a * 100.0) / 100.0;
Output is
123.14
Or as @Rufein said
double roundOff = (double) Math.round(a * 100) / 100;
this will do it for you as well.
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How to get overall CPU usage (e.g. 57%) on Linux [closed]
...ake a look at cat /proc/stat
grep 'cpu ' /proc/stat | awk '{usage=($2+$4)*100/($2+$4+$5)} END {print usage "%"}'
EDIT please read comments before copy-paste this or using this for any serious work. This was not tested nor used, it's an idea for people who do not want to install a utility or for s...
Populate data table from data reader
...e, readerLoadTinyTableTime;
string LargeTableToFill = "select top 10000 * from FooBar";
string MediumTableToFill = "select top 1000 * from FooBar";
string SmallTableToFill = "select top 100 * from FooBar";
string TinyTableToFill = "select top 10 * from FooBar";
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What's the 'Ruby way' to iterate over two arrays at once
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>> @budget = [ 100, 150, 25, 105 ]
=> [100, 150, 25, 105]
>> @actual = [ 120, 100, 50, 100 ]
=> [120, 100, 50, 100]
>> @budget.zip @actual
=> [[100, 120], [150, 100], [25, 50], [105, 100]]
>> @budget.zip(@actual...
Java Generate Random Number Between Two Given Values [duplicate]
...tween two numbers" use:
Random r = new Random();
int low = 10;
int high = 100;
int result = r.nextInt(high-low) + low;
This gives you a random number in between 10 (inclusive) and 100 (exclusive)
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