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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
*/
...
Deserialize JSON into C# dynamic object?
...
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)?
...
33
HTML5 forbids this and <meta> has always been a terrible and flaky way to specify caching.
– Kornel
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Difference between `constexpr` and `const`
...compiler will only accept it if the function meets certain criteria (7.1.5/3,4), most importantly (†):
The function body must be non-virtual and extremely simple: Apart from typedefs and static asserts, only a single return statement is allowed. In the case of a constructor, only an initializatio...
How to silence output in a Bash script?
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edited Apr 3 '17 at 19:58
kevinji
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nodejs get file name from absolute path?
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answered Nov 6 '13 at 11:59
Victor StanciuVictor Stanciu
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How do I SET the GOPATH environment variable on Ubuntu? What file must I edit?
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Inanc Gumus
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answered Jan 9 '14 at 5:37
Daniel LinDaniel Li...
php var_dump() vs print_r()
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359
The var_dump function displays structured information about variables/expressions including it...
Syntax of for-loop in SQL Server
...|
edited Sep 19 '17 at 12:38
Kolappan N
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answered...
Different names of JSON property during serialization and deserialization
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bezmaxbezmax
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