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is there a Java equivalent to null coalescing operator (??) in C#? [duplicate]
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136
Sadly - no. The closest you can do is:
int y = (x != null) ? x : -1;
Of course, you can wra...
Replace String in all files in Eclipse
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edited Mar 13 '14 at 8:16
answered Jul 23 '11 at 13:51
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How can I get a user's media from Instagram without authenticating as a user?
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123
This is late, but worthwhile if it helps someone as I did not see it in Instagram's documentatio...
Is it possible to specify condition in Count()?
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13 Answers
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What is the shortcut in IntelliJ IDEA to find method / functions?
...ptaVikas Gupta
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143
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How can I nullify css property?
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thirtydotthirtydot
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How do you auto format code in Visual Studio?
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30 Answers
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Why is using “for…in” for array iteration a bad idea?
...1;
// Now you have no idea what the below code will do.
var a = [1, 2, 3, 4, 5];
for (var x in a){
// Now foo is a part of EVERY array and
// will show up here as a value of 'x'.
console.log(x);
}
/* Will display:
0
1
2
3
4
foo
*/
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Deserialize JSON into C# dynamic object?
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So, given a JSON string:
{
"Items":[
{ "Name":"Apple", "Price":12.3 },
{ "Name":"Grape", "Price":3.21 }
],
"Date":"21/11/2010"
}
The following code will work at runtime:
dynamic data = serializer.Deserialize(json, typeof(object));
data.Date; // "21/11/2010"
data.Items.Count; // ...
How to set HTTP headers (for cache-control)?
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33
HTML5 forbids this and <meta> has always been a terrible and flaky way to specify caching.
– Kornel
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