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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...
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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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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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
...
Converting DateTime format using razor
...
Try:
@item.Date.ToString("dd MMM yyyy")
or you could use the [DisplayFormat] attribute on your view model:
[DisplayFormat(DataFormatString = "{0:dd MMM yyyy}")]
public DateTime Date { get; set }
and in your view simply:
@Html.DisplayFor(...
Redirect to an external URL from controller action in Spring MVC
...
Its even simpler if you directly return a String rather then the ModelAndView.
– daniel.eichten
Sep 5 '15 at 8:57
24
...
delete map[key] in go?
...
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);
...
Should I use window.navigate or document.location in JavaScript?
... thing. See docs.sun.com/source/816-6408-10/location.htm: "If you assign a string to the location property of an object, JavaScript creates a location object and assigns that string to its href property."
– James Skidmore
Dec 9 '10 at 18:36
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