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How do I convert a byte array to Base64 in Java?
...te[] encoded = Base64.getEncoder().encode("Hello".getBytes());
println(new String(encoded)); // Outputs "SGVsbG8="
byte[] decoded = Base64.getDecoder().decode(encoded);
println(new String(decoded)) // Outputs "Hello"
Or if you just want the strings:
String encoded = Base64.getEncoder().encode...
JavaScript equivalent of jQuery's extend method
...ault3",
kd2: "default4"
}};
var settings = JSON.parse(JSON.stringify(Object.assign({}, defaults, config)));
console.log(settings.keyDeep); // Object {kd1: "default3", kd2: "default4"}
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When using Spring Security, what is the proper way to obtain current username (i.e. SecurityContext)
...sults(final HttpServletRequest request, Principal principal) {
final String currentUser = principal.getName();
}
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How can I send an email by Java application using GMail, Yahoo, or Hotmail?
....*;
import javax.mail.internet.*;
public class Main {
private static String USER_NAME = "*****"; // GMail user name (just the part before "@gmail.com")
private static String PASSWORD = "********"; // GMail password
private static String RECIPIENT = "lizard.bill@myschool.edu";
pub...
Overload with different return type in Java?
... also different.
Check out the sample code.
public class B {
public String greet() {
return "Hello";
}
//This will work
public StringBuilder greet(String name) {
return new StringBuilder("Hello " + name);
}
//This will not work
//Error: Duplicate meth...
Attach a file from MemoryStream to a MailMessage in C#
... someone out there:-
Here's a simplified snippet for sending an in-memory string as an email attachment (a CSV file in this particular case).
using (var stream = new MemoryStream())
using (var writer = new StreamWriter(stream)) // using UTF-8 encoding by default
using (var mailClient = new Smt...
How to show all privileges from a user in oracle?
Can someone please tell me how to show all privileges/rules from a specific user in the sql-console?
6 Answers
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How to return multiple values? [duplicate]
...
You can do something like this:
public class Example
{
public String name;
public String location;
public String[] getExample()
{
String ar[] = new String[2];
ar[0]= name;
ar[1] = location;
return ar; //returning two values at once
}
}
...
What's a concise way to check that environment variables are set in a Unix shell script?
...st variant (using just ?) requires STATE to be set, but STATE="" (an empty string) is OK — not exactly what you want, but the alternative and older notation.
The second variant (using :?) requires DEST to be set and non-empty.
If you supply no message, the shell provides a default message.
The ${v...
Static Classes In Java
...from above:
public class TestMyStaticClass {
public static void main(String []args){
MyStaticClass.setMyStaticMember(5);
System.out.println("Static value: " + MyStaticClass.getMyStaticMember());
System.out.println("Value squared: " + MyStaticClass.squareMyStaticMember()...