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Java: Class.this
.../ Prints "An anonymous Runnable"
System.out.println(this.toString());
// Prints "A LocalScreen object"
System.out.println(LocalScreen.this.toString());
// Won't compile! 'this' is a Runnable!
...
Convert Go map to json
I tried to convert my Go map to a json string with encoding/json Marshal, but it resulted in a empty string.
3 Answers
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In Mongoose, how do I sort by date? (node.js)
...ion(err, docs) { ... });
For an ascending sort, omit the - prefix on the string version or use values of 1, asc, or ascending.
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Cast Object to Generic Type for returning
...ssCastException e) {
return null;
}
}
public static void main(String[] args) {
String k = convertInstanceOfObject(345435.34);
System.out.println(k);
}
and the corresponding byte code is:
public static <T> T convertInstanceOfObject(java.lang.Object);
Code:
0: ...
Creating PHP class instance with a string
... two classes, class ClassOne { } and class ClassTwo {} . I am getting a string which can be either "One" or "Two" .
4...
How to create default value for function argument in Clojure
...atures differ in arity. You can use that to supply default values.
(defn string->integer
([s] (string->integer s 10))
([s base] (Integer/parseInt s base)))
Note that assuming false and nil are both considered non-values, (if (nil? base) 10 base) could be shortened to (if base base 10)...
Why does mongoose always add an s to the end of my collection name
...schemas collection name option.
Example:
var schema = new Schema({ name: String }, { collection: 'actor' });
or
schema.set('collection', 'actor');
or
var collectionName = 'actor'
var M = mongoose.model('Actor', schema, collectionName);
...
Custom toast on Android: a simple example
...e Java method (just pass toast message to this method):
public void toast(String message)
{
Toast toast = new Toast(context);
View view = LayoutInflater.from(context).inflate(R.layout.image_custom, null);
TextView textView = (TextView) view.findViewById(R.id.custom_toast_text);
text...
How to get active user's UserDetails
...Authentication doesn't strictly have to contain a UserDetails. It can be a string or any other type.
If you don't want to call SecurityContextHolder directly, the most elegant approach (which I would follow) is to inject your own custom security context accessor interface which is customized to mat...
Create a File object in memory from a string in Java
...e a new File (I don't have write access to filesystem) in order to pass my string data to the function. I should add that the String data don't exist in a file (so I cannot read my data from a file).
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