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Get type of a generic parameter in Java with reflection
...eterTypes[i]).getActualTypeArguments();
//parameters[0] contains java.lang.String for method like "method(List<String> value)"
}
}
I'm using jdk 1.6
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Json.net serialize/deserialize derived types?
... = new JsonSerializerSettings { TypeNameHandling = TypeNameHandling.All };
string Serialized = JsonConvert.SerializeObject(inheritanceList, settings);
List<Base> deserializedList = JsonConvert.DeserializeObject<List<Base>>(Serialized, settings);
This will result in correct deseri...
How to construct a REST API that takes an array of id's for the resources
...cate query parameters will be combined into an array. With the above query string, PHP happens to tell you that id equals [1, 2, 3], but Ruby on Rails tells you it equals 3, and other frameworks may also act differently, e.g. saying id equals 1. URLs like …?id=1,2,3 avoid this potential for confus...
How would you implement an LRU cache in Java?
...gt; eldest) {
return super.size() > maxEntries;
}
}
Map<String, String> example = Collections.synchronizedMap(new LruCache<String, String>(CACHE_SIZE));
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How to pick an image from gallery (SD Card) for my app?
... Uri selectedImage = imageReturnedIntent.getData();
String[] filePathColumn = {MediaStore.Images.Media.DATA};
Cursor cursor = getContentResolver().query(
selectedImage, filePathColumn, null, null, null);
cursor.moveToFirs...
JSONDecodeError: Expecting value: line 1 column 1 (char 0)
...or is due to :
non-JSON conforming quoting
XML/HTML output (that is, a string starting with <), or
incompatible character encoding
Ultimately the error tells you that at the very first position the string already doesn't conform to JSON.
As such, if parsing fails despite having a data-bo...
Detect Safari browser
...
Doesn't work. Currently outputting chrome UA string on iPhone and it doesn't even have the word "chrome" in it.
– Paul Carlton
Jul 1 '14 at 22:59
6
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javax.xml.bind.UnmarshalException: unexpected element (uri:“”, local:“Group”)
...hat.. Thanks alot mate.. :) . I just made the namespace mentioned to empty string.
– Arundev
Jun 13 '17 at 11:45
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How to understand Locality Sensitive Hashing?
...shadow analogy is still very useful to me.
Now we can efficiently compare strings of bits in software. A fixed length bit string is kinda, more or less, like a line in a single dimension.
So with an LSH, I project the shadows of objects eventually as points (0 or 1) on a single fixed length line/...
How can I change the EditText text without triggering the Text Watcher?
...ea to put that in a utility function:
void updateText(EditText editText, String text) {
boolean focussed = editText.hasFocus();
if (focussed) {
editText.clearFocus();
}
editText.setText(text);
if (focussed) {
editText.requestFocus();
}
}
For Kotlin:
Since...