I have a set of data which looks something like this: anim <- c(25499,25500,25501,25502,25503,25504) sex <- c(1,2,2,1,2,1) wt <- c(0.8,1.2,1.0,2.0,1.8,1.4) data <- data.frame(anim,sex,wt) data anim sex wt anim2 1 25499 1 0.8 2 2 25500 2 1.2 2 3 25501 2 1.0 2 4 25502 1 2.0 2 5 25503 2 1.8 2 6 25504 … Read more
In C# I have an integer value which need to be convereted to string but it needs to add zeros before: For Example: int i = 1; When I convert it to string it needs to become 0001 I need to know the syntax in C#. 14 s 14 i.ToString().PadLeft(4, ‘0’) – okay, but doesn’t … Read more
What’s the correct way to round a PHP string to two decimal places? $number = “520”; // It’s a string from a database $formatted_number = round_to_2dp($number); echo $formatted_number; The output should be 520.00; How should the round_to_2dp() function definition be? 25 s 25 You can use number_format(): return number_format((float)$number, 2, ‘.’, ”); Example: $foo = … Read more
This question already has answers here: How can I pad a value with leading zeros? (76 answers) Closed 2 years ago. Is there a way to prepend leading zeros to numbers so that it results in a string of fixed length? For example, 5 becomes “05” if I specify 2 places. 6 s 6 UPDATE: … Read more
I am trying to print an integer in Python 2.6.1 with commas as thousands separators. For example, I want to show the number 1234567 as 1,234,567. How would I go about doing this? I have seen many examples on Google, but I am looking for the simplest practical way. It does not need to be … Read more
I would like to format my numbers to always display 2 decimal places, rounding where applicable. Examples: number display —— ——- 1 1.00 1.341 1.34 1.345 1.35 I have been using this: parseFloat(num).toFixed(2); But it’s displaying 1 as 1, rather than 1.00. 36 s 36
How do you convert decimal values to their hexadecimal equivalent in JavaScript? 30 30 Convert a number to a hexadecimal string with: hexString = yourNumber.toString(16); And reverse the process with: yourNumber = parseInt(hexString, 16);
I doubt it. The problem is that 100 is never 100 if it’s a float, it’s normally 99.9999999999 or 100.0000001 or something like that. If you do want to format it that way, you have to define an epsilon, that is, a maximum distance from an integer number, and use integer formatting if the difference … Read more
