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Integer division: How do you produce a double?
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double num = 5;
That avoids a cast. But you'll find that the cast conversions are well-defined. You don't have to guess, just check the JLS. int to double is a widening conversion. From §5.1.2:
Widening primitive conversions do not
lose informa...
'is' versus try cast with null check
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Because there's only one cast. Compare this:
if (myObj.myProp is MyType) // cast #1
{
var myObjRef = (MyType)myObj.myProp; // needs to be cast a second time
// before using it as a MyType
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}
to t...
Why does dividing two int not yield the right value when assigned to double?
...rsion, which returns a double, at least one of the ints must be explicitly casted to a double.
c = a/(double)b;
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How to Concatenate Numbers and Strings to Format Numbers in T-SQL?
...o @my_int and it can't do that. Instead try:
SET @ActualWeightDIMS =
CAST(@Actual_Dims_Lenght AS VARCHAR(16)) + 'x' +
CAST(@Actual_Dims_Width AS VARCHAR(16)) + 'x' +
CAST(@Actual_Dims_Height AS VARCHAR(16))
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How do I address unchecked cast warnings?
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The obvious answer, of course, is not to do the unchecked cast.
If it's absolutely necessary, then at least try to limit the scope of the @SuppressWarnings annotation. According to its Javadocs, it can go on local variables; this way, it doesn't even affect the entire method.
Exam...
How do I convert an enum to a list in C#? [duplicate]
...meEnum> of all the values of an Enum.
Enum.GetValues(typeof(SomeEnum)).Cast<SomeEnum>();
If you want that to be a List<SomeEnum>, just add .ToList() after .Cast<SomeEnum>().
To use the Cast function on an Array you need to have the System.Linq in your using section.
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Downcasting shared_ptr to shared_ptr?
...le is like the one in Boost, but it doesn't support shared_polymorphic_downcast (or dynamic_pointer_cast or static_pointer_cast for that matter)!
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Cast List to List
How can I cast List<Client> to List<IDic> ?
8 Answers
8
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Can I set a breakpoint on 'memory access' in GDB?
...ming it would watch a single byte, which seems to be the case, but you can cast it to a specific type e.g. rwatch *(int *)0xfeedface and it will watch sizeof(int) bytes: sourceware.org/gdb/onlinedocs/gdb/Set-Watchpoints.html
– asksol
Dec 10 '15 at 5:46
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Direct casting vs 'as' operator?
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string s = (string)o; // 1
Throws InvalidCastException if o is not a string. Otherwise, assigns o to s, even if o is null.
string s = o as string; // 2
Assigns null to s if o is not a string or if o is null. For this reason, you cannot use it with value types (th...