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In C#, how do I calculate someone's age based on a DateTime type birthday?
...ay.Year - birthdate.Year;
// Go back to the year in which the person was born in case of a leap year
if (birthdate.Date > today.AddYears(-age)) age--;
However, this assumes you are looking for the western idea of the age and not using East Asian reckoning.
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How to format a floating number to fixed width in Python
How do I format a floating number to a fixed width with the following requirements:
7 Answers
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Pretty-Print JSON Data to a File using Python
A project for class involves parsing Twitter JSON data. I'm getting the data and setting it to the file without much trouble, but it's all in one line. This is fine for the data manipulation I'm trying to do, but the file is ridiculously hard to read and I can't examine it very well, making the code...
How do I replace the *first instance* of a string in .NET?
...ex.Replace(String, String, Int32), which can do the same, but is probably more expensive at runtime, since it's utilizing a full featured parser where my method does one find and three string concatenations.
EDIT2: If this is a common task, you might want to make the method an extension method:
pu...
How do I put variables inside javascript strings?
...nd does not take into account different kinds of data types (like %i, etc) or escaping of %s. But I hope it gives you some idea. I'm pretty sure there are also libraries out there which provide a function like this.
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How to determine whether a substring is in a different string
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I just actually was learning JS after learning Python, for this you would need to add loads of if else statements and other things. So, I just wanted to remind myself of how its done in Python, this answer made me say to myself 'Of course!', I mean things like this in Python are j...
Sort Dictionary by keys
I want to sort a dictionary in Swift. I have a dictionary like:
14 Answers
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Reordering arrays
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This means that splice() can be used to remove elements, add elements, or replace elements in an array, depending on the arguments you pass.
Note that it returns an array of the removed elements.
Something nice and generic would be:
Array.prototype.move = function (from, to) {
this.splice(t...
How to convert String object to Boolean Object?
...vantage:
Boolean: this does not create new instances of Boolean, so performance is better (and less garbage-collection). It reuses the two instances of either Boolean.TRUE or Boolean.FALSE.
boolean: no instance is needed, you use the primitive type.
The official documentation is in the Javadoc....
How to push different local Git branches to Heroku/master
Heroku has a policy of ignoring all branches but 'master'.
11 Answers
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