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JsonMappingException: out of START_ARRAY token
...
Your JSON string is malformed: the type of center is an array of invalid objects. Replace [ and ] with { and } in the JSON string around longitude and latitude so they will be objects:
[
{
"name" : "New York",
"num...
Why does this go into an infinite loop?
... Main {
public static volatile int x = 0;
public static void main(String[] args) {
LoopingThread t = new LoopingThread();
System.out.println("Starting background thread...");
t.start();
while (true) {
x = x++;
}
}
}
class LoopingThre...
How do I ignore ampersands in a SQL script running from SQL Plus?
...he script from SQL Plus, I am prompted to enter a substitute value for the string starting with &. How do I disable this feature so that SQL Plus ignores the ampersand?
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JSON.parse vs. eval()
...except that the line right before that verifies that it's a safe and valid string.
– nickf
Apr 20 '10 at 22:56
6
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Why does my Spring Boot App always shutdown immediately after starting?
...blic class SpringBootApacheKafkaApplication {
public static void main(String[] args) {
SpringApplication.run(SpringBootApacheKafkaApplication.class,args).close();
}
}
then just remove the close() method. That's fixed my problem! Maybe I can help someone with that
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Check if inputs are empty using jQuery
...And you don't necessarily need .length or see if it's >0 since an empty string evaluates to false anyway but if you'd like to for readability purposes:
$('#apply-form input').blur(function()
{
if( $(this).val().length === 0 ) {
$(this).parents('p').addClass('warning');
}
});
If...
The 3 different equals
...ot of same data type';
}
// here $a is of type int whereas $b is of type string. So here the output
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delete map[key] in go?
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Strangely enough,
package main
func main () {
var sessions = map[string] chan int{};
delete(sessions, "moo");
}
seems to work. This seems a poor use of resources though!
Another way is to check for existence and use the value itself:
package main
func main () {
var sessions = ...
Shallow copy of a Map in Java
...ap here, but it works for every implementation of the Map interface
Map<String, Object> data = new HashMap<String, Object>();
Map<String, Object> shallowCopy = new HashMap<String, Object>();
shallowCopy.putAll(data);
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grep a tab in UNIX
...
Doesn't work if the String contains anything other than '\t'. How would you search for "\t " (tab + space) for example?
– Raman
Apr 17 '13 at 15:05
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