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Possible heap pollution via varargs parameter
...istOfAs; // points to a list of As
This can lead to "unexplainable" ClassCastExceptions.
// if the heap never gets polluted, this should never throw a CCE
B b = listOfBs.get(0);
@SafeVarargs does not prevent this at all. However, there are methods which provably will not pollute the heap, the ...
How can I convert JSON to a HashMap using Gson?
I'm requesting data from a server which returns data in the JSON format. Casting a HashMap into JSON when making the request wasn't hard at all but the other way seems to be a little tricky. The JSON response looks like this:
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How to convert an object to a byte array in C#
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@Smith: You can cast the enum to int (or if you have specified any other type as storage for the enum) and write it. When you read it you can cast it to the enum type.
– Guffa
May 3 '15 at 21:40
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When is assembly faster than C?
...2 bits: MSVC doesn't always do a good job when multiplying 32-bit integers cast to 64, so intrinsics helped a lot.
C doesn't have a full-multiplication operator (2N-bit result from N-bit inputs). The usual way to express it in C is to cast the inputs to the wider type and hope the compiler rec...
Extension methods cannot be dynamically dispatched
...ou are using dynamic types in extension methods, which is not supported.
Cast the dynamic types to actual types, and it will work.
From what I see now, I'd say:
(string) ViewBag.MagNo
Which would result in
@foreach (var item in Model)
{
@Html.DropDownListFor(modelItem => item.TitleIds,...
Get value from SimpleXMLElement Object
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You have to cast simpleXML Object to a string.
$value = (string) $xml->code[0]->lat;
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How to make connection to Postgres via Node.js
... find myself trying to create a postgres database, so I installed postgres and started a server with initdb /usr/local/pgsql/data , then I started that instance with postgres -D /usr/local/pgsql/data now how can I interact with this through node? For example, what would the connectionstring be,...
How does Java handle integer underflows and overflows and how would you check for it?
...e source type:
public int addWithOverflowCheck(int a, int b) {
// the cast of a is required, to make the + work with long precision,
// if we just added (a + b) the addition would use int precision and
// the result would be cast to long afterwards!
long result = ((long) a) + b;
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How enumerate all classes with custom class attribute?
...ttributes.Length > 0
select new { Type = t, Attributes = attributes.Cast<HelpAttribute>() };
The above query will get you each type with your attribute applied to it, along with the instance of the attribute(s) assigned to it.
Note that if you have a large number of assemblies loaded...
Getting only Month and Year from SQL DATE
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great! You can connect them to one column: 'select cast(month(dateField) as varchar) + '.' + cast(year(dateField) as varchar)'
– izik f
Mar 27 '18 at 9:59
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