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Converting 'ArrayList to 'String[]' in Java
...ourse, because Java doesn't do real generics; it mostly just fakes them by casting Object)
– Nyerguds
May 19 '16 at 11:05
3
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How to set thousands separator in Java?
...println(formatter.format(bd.longValue()));
According to the JavaDoc, the cast in the first line should be save for most locales.
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What is the difference between the HashMap and Map objects in Java?
...s using the "Map" interface restricts you to only those methods unless you cast the collection back from Map to HashMap (which COMPLETELY defeats the purpose).
Often what you will do is create an object and fill it in using it's specific type (HashMap), in some kind of "create" or "initialize" meth...
What is the purpose of AsQueryable()?
...ht have an object that implements IQueryable but that also has an instance Select method. If that were the case, and you wanted to use the LINQ Select method, you'd need to change the compile time type of the object to IQueryable. You could just cast it, but by having an AsQueryable method you can...
Get PHP class property by string
...t actually succeed, although this is likely to be a bug. $name is silently cast to an integer. In the case of a non-numeric string this is 0. Then this string index of the value of $property is used as the property name. If $property holds the value "abc", then this will refer to the property $this-...
json_decode to array
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This is a late contribution, but there is a valid case for casting json_decode with (array).
Consider the following:
$jsondata = '';
$arr = json_decode($jsondata, true);
foreach ($arr as $k=>$v){
echo $v; // etc.
}
If $jsondata is ever returned as an empty string (as in my ...
Getting mouse position in c#
...g System.Windows; // Or use whatever point class you like for the implicit cast operator
/// <summary>
/// Struct representing a point.
/// </summary>
[StructLayout(LayoutKind.Sequential)]
public struct POINT
{
public int X;
public int Y;
public static implicit operator Poi...
Replacing a 32-bit loop counter with 64-bit introduces crazy performance deviations with _mm_popcnt_
... uint64_t* buffer = new uint64_t[size/8];
char* charbuffer=reinterpret_cast<char*>(buffer);
for (unsigned i=0;i<size;++i) charbuffer[i]=rand()%256;
uint64_t count,duration;
chrono::time_point<chrono::system_clock> startP,endP;
{
uint64_t c0 = 0;
uint64_t c...
Swift double to string
Before I updated xCode 6, I had no problems casting a double to a string but now it gives me an error
14 Answers
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How to hide soft keyboard on android after clicking outside EditText?
...d to do anything, it just has to exist for the parent view to be focusable/selectable, which is necessary for stealing the focus from the child EditText
– Jacob R
Aug 30 '17 at 21:20
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