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How do I trim a file extension from a String in Java?
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str.substring(0, str.lastIndexOf('.'))
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Getting the last element of a split string array
...commas and space. If there are no separators it should return the original string.
8 Answers
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Format timedelta to string
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You can just convert the timedelta to a string with str(). Here's an example:
import datetime
start = datetime.datetime(2009,2,10,14,00)
end = datetime.datetime(2009,2,10,16,00)
delta = end-start
print(str(delta))
# prints 2:00:00
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How to remove all white spaces in java [duplicate]
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java.lang.String class has method substring not substr , thats the error in your program.
Moreover you can do this in one single line if you are ok in using regular expression.
a.replaceAll("\\s+","");
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How to list the files inside a JAR file?
...{
ZipEntry e = zip.getNextEntry();
if (e == null)
break;
String name = e.getName();
if (name.startsWith("path/to/your/dir/")) {
/* Do something with this entry. */
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}
}
}
else {
/* Fail... */
}
Note that in Java 7, you can create a FileSystem from the ...
Utils to read resource text file to String (Java) [closed]
Is there any utility that helps to read a text file in the resource into a String. I suppose this is a popular requirement, but I couldn't find any utility after Googling.
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What is the difference between a.getClass() and A.class in Java?
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Example :
public class PerfomanceClass {
public static void main(String[] args) {
// TODO Auto-generated method stub
long time=System.nanoTime();
Class class1="String".getClass();
class1="String".getClass();
class1="String".getClass();
class...
How to get all Errors from ASP.Net MVC modelState?
...ing failures and bad requests, there will be ModelState entries with empty string for Value.ErrorMessage and instead a Value.Exception.Message
– AaronLS
Sep 16 '14 at 1:12
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Getting values from query string in an url using AngularJS $location
...ch() will return an object of key-value pairs, the same pairs as the query string. A key that has no value is just stored in the object as true. In this case, the object would be:
{"test_user_bLzgB": true}
You could access this value directly with $location.search().test_user_bLzgB
Example (with...
Return string without trailing slash
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ES6 / ES2015 provides an API for asking whether a string ends with something, which enables writing a cleaner and more readable function.
const stripTrailingSlash = (str) => {
return str.endsWith('/') ?
str.slice(0, -1) :
str;
};
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