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How do you round a float to two decimal places in jruby

...ason, see comments), so that is the better solution if you are looking for string output. – Dylan Vander Berg Aug 6 '17 at 4:33 ...
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Safe String to BigDecimal conversion

I'm trying to read some BigDecimal values from the string. Let's say I have this String: "1,000,000,000.999999999999999" and I want to get a BigDecimal out of it. What is the way to do it? ...
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Remove characters from NSString?

I want to remove the spaces, so the new string would be "ABCDEFG". 6 Answers 6 ...
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What is a bus error?

...*/ int main() { int fd; int *map; int size = sizeof(int); char *name = "/a"; shm_unlink(name); fd = shm_open(name, O_RDWR | O_CREAT, (mode_t)0600); /* THIS is the cause of the problem. */ /*ftruncate(fd, size);*/ map = mmap(NULL, size, PROT_READ | PROT_WRITE, MA...
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How do I decode HTML entities in Swift?

I am pulling a JSON file from a site and one of the strings received is: 23 Answers 23...
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How do I declare a 2d array in C++ using new?

...algorithms to do it. And the allocator "pads" each of your row arrays with extra bytes for bookkeeping and alignment. That extra space costs...well...extra space. The deallocator will also take extra time when you go to deallocate the matrix, painstakingly free-ing up each individual row allocation....
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Adjust UILabel height to text

...ks for me. Updated for Swift 4.0 import UIKit func heightForView(text:String, font:UIFont, width:CGFloat) -> CGFloat{ let label:UILabel = UILabel(frame: CGRectMake(0, 0, width, CGFloat.greatestFiniteMagnitude)) label.numberOfLines = 0 label.lineBreakMode = NSLineBreakMode.byWordW...
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Can Objective-C switch on NSString?

...stand, CardType cannot be equal to any enclosed @"" eg: [CardType isEqualToString:@"Three"] – Adromil Balais Jul 18 '17 at 7:53 add a comment  |  ...
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Formatting code snippets for blogging on Blogger [closed]

...name="code" class="brush: erlang"><![CDATA[ -module(trim). -export([string_strip_right/1, reverse_tl_reverse/1, bench/0]). bench() -> [nbench(N) || N <- [1,1000,1000000]]. nbench(N) -> {N, bench(["a" || _ <- lists:seq(1,N)])}. bench(String) -> {{string_strip_right, l...
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C# equivalent to Java's charAt()?

... we can use the charAt() method in Java get an individual character in a string by specifying its position. Is there an equivalent method in C#? ...