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Java: How to convert List to Map
...le to do this in one line using streams, and the Collectors class.
Map<String, Item> map =
list.stream().collect(Collectors.toMap(Item::getKey, item -> item));
Short demo:
import java.util.Arrays;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
pub...
How do I mock an autowired @Value field in Spring with Mockito?
...re:
Production class:
@Value("#{myProps[‘some.default.url']}")
private String defaultUrl;
Test class:
import org.springframework.test.util.ReflectionTestUtils;
ReflectionTestUtils.setField(instanceUnderTest, "defaultUrl", "http://foo");
// Note: Don't use MyClassUnderTest.class, use the inst...
How do I save a String to a text file using Java?
In Java, I have text from a text field in a String variable called "text".
24 Answers
...
MySQL get the date n days ago as a timestamp
...
it appears (v1) DATE_SUB will return a DATETIME or STRING depending on inputs. TIMESTAMP (v2) is forcing it to a TIMESTAMP type. dev.mysql.com/doc/refman/5.1/en/…
– jsh
Apr 2 '14 at 18:39
...
Practical usage of setjmp and longjmp in C
...parent class */
char * name; /* this class name string */
int signalNumber; /* optional signal number */
};
typedef struct _Class Class[1]; /* exception class */
typedef enum _Scope /* exception handling scope */
{
OU...
Func delegate with no return type
...is this example
using System;
public class Program
{
private Func<string,string> FunctionPTR = null;
private Func<string,string, string> FunctionPTR1 = null;
private Action<object> ProcedurePTR = null;
private string Display(string message)
{
...
How to print Unicode character in Python?
...rce code, you can use Unicode escape characters in the form \u0123 in your string, and prefix the string literal with 'u'.
Here's an example running in the Python interactive console:
>>> print u'\u0420\u043e\u0441\u0441\u0438\u044f'
Россия
Strings declared like this are Unicode-t...
rreplace - How to replace the last occurrence of an expression in a string?
Is there a quick way in Python to replace strings but, instead of starting from the beginning as replace does, starting from the end? For example:
...
get all characters to right of last dash
...th str.LastIndexOf('-'). So the next step is obvious:
var result = str.Substring(str.LastIndexOf('-') + 1);
Correction:
As Brian states below, using this on a string with no dashes will result in the same string being returned.
...
What is the minimum valid JSON?
...json.org/ but I'm not sure I know the answer to the simple question. What strings are the minimum possible valid JSON?
8 A...