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What are your favorite extension methods for C#? (codeplex.com/extensionoverflow)
...
public static bool In<T>(this T source, params T[] list)
{
if(null==source) throw new ArgumentNullException("source");
return list.Contains(source);
}
Allows me to replace:
if(reallyLongIntegerVariableName == 1 ||
reallyLongIntegerVariableName == 6 ||
...
Kotlin Ternary Conditional Operator
...ructure similar to the ternary operator:
infix fun <T> Boolean.then(param: T): T? = if (this) param else null
This would make an a ? b : c expression translate to a then b ?: c, like so:
println(condition then "yes" ?: "no")
Update:
But to do some more Java-like conditional switch you wi...
Difference between app.use and app.get in express.js
...ses to requests more precisely. They also add in support for features like parameters and next('route').
Within each app.get() is a call to app.use(), so you can certainly do all of this with app.use() directly. But, doing so will often require (probably unnecessarily) reimplementing various amount...
How to obtain the last path segment of a URI
...hat you are looking for:
URI uri = new URI("http://example.com/foo/bar/42?param=true");
String path = uri.getPath();
String idStr = path.substring(path.lastIndexOf('/') + 1);
int id = Integer.parseInt(idStr);
alternatively
URI uri = new URI("http://example.com/foo/bar/42?param=true");
String[] s...
Why is null an object and what's the difference between null and undefined?
...d by JavaScript and means “no value”. Uninitialized variables, missing parameters and unknown variables have that value.
> var noValueYet;
> console.log(noValueYet);
undefined
> function foo(x) { console.log(x) }
> foo()
undefined
> var obj = {};
> console.log(obj.unknownPro...
Android REST client, Sample?
...}
/**
* Request a User Profile from the REST server.
* @param userName The user name for which the profile is to be requested.
* @param callback Callback to execute when the profile is available.
*/
public void getUserProfile(String userName, final GetResponseCallbac...
Android equivalent to NSNotificationCenter
...text context, NotificationType notification, HashMap<String, String> params) {
Intent intent = new Intent(notification.name());
// insert parameters if needed
for(Map.Entry<String, String> entry : params.entrySet()) {
String key = entry.getKey();
String value ...
Java 256-bit AES Password-Based Encryption
...AES/CBC/PKCS5Padding");
cipher.init(Cipher.ENCRYPT_MODE, secret);
AlgorithmParameters params = cipher.getParameters();
byte[] iv = params.getParameterSpec(IvParameterSpec.class).getIV();
byte[] ciphertext = cipher.doFinal("Hello, World!".getBytes("UTF-8"));
Store the ciphertext and the iv. On decr...
How to call a PHP function on the click of a button
...
And if I want to give a param to the function?
– Nick Alexander
Feb 9 '18 at 15:00
...
Does a method's signature in Java include its return type?
...thod declaration comprise the method signature—the method's name and the parameter types.
Since the question was edited to include this example:
public class Foo {
public int myMethod(int param) {}
public char myMethod(int param) {}
}
No, the compiler won't know the difference, as ...