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Python Remove last 3 characters of a string
I'm trying to remove the last 3 characters from a string in python, I don't know what these characters are so I can't use rstrip , I also need to remove any white space and convert to upper-case
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How do I format a number in Java?
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You and String.format() will be new best friends!
https://docs.oracle.com/javase/1.5.0/docs/api/java/util/Formatter.html#syntax
String.format("%.2f", (double)value);
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How to extract numbers from a string and get an array of ints?
I have a String variable (basically an English sentence with an unspecified number of numbers) and I'd like to extract all the numbers into an array of integers. I was wondering whether there was a quick solution with regular expressions?
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How to implement the Java comparable interface?
...this:
public class Animal implements Comparable<Animal>{
public String name;
public int year_discovered;
public String population;
public Animal(String name, int year_discovered, String population){
this.name = name;
this.year_discovered = year_discovered;
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Why do I need 'b' to encode a string with Base64?
Following this python example , I encode a string as Base64 with:
5 Answers
5
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How do I get around type erasure on Scala? Or, why can't I get the type parameter of my collections?
...res6: Option[List[Int]] = Some(List(1, 2, 3))
scala> Registry.get[List[String]]("a")
res7: Option[List[String]] = None
When storing an element, we store a "Manifest" of it too. A Manifest is a class whose instances represent Scala types. These objects have more information than JVM does, which ...
How do I check if a string is a number (float)?
What is the best possible way to check if a string can be represented as a number in Python?
33 Answers
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What is the explanation for these bizarre JavaScript behaviours mentioned in the 'Wat' talk for Code
...to a primitive returns its default value, which for objects with a valid toString() method is the result of calling object.toString() (§8.12.8). For arrays this is the same as calling array.join() (§15.4.4.2). Joining an empty array results in an empty string, so step #7 of the addition operator r...
How can I easily view the contents of a datatable or dataview in the immediate window
...izers. These are the text, HTML, and XML visualizers, all of which work on string objects, and the dataset visualizer, which works for DataSet, DataView, and DataTable objects.
To use it, break into your code, mouse over your DataSet, expand the quick watch, view the Tables, expand that, then view ...
Is it possible to display inline images from html in an Android TextView?
...ImageGetter implements Html.ImageGetter {
public Drawable getDrawable(String source) {
int id;
if (source.equals("stack.jpg")) {
id = R.drawable.stack;
}
else if (source.equals("overflow.jpg")) {
id = R.drawable.overflow;
}
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