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How to use java.net.URLConnection to fire and handle HTTP requests?
...to distinguish if a button was pressed and if so, which one).
You can also cast the obtained URLConnection to HttpURLConnection and use its HttpURLConnection#setRequestMethod() instead. But if you're trying to use the connection for output you still need to set URLConnection#setDoOutput() to true.
H...
Add padding on view programmatically
...id.com/guide/practices/… The 0.5 is used to get the closest integer when casting (instead of using Math.round())
– Jave
Sep 27 '13 at 7:17
...
How to count the number of set bits in a 32-bit integer?
...entation-defined for negative values. The argument needs to be changed (or cast) to unsigned, and since the code is 32-bit-specific, it should probably be using uint32_t.
– R.. GitHub STOP HELPING ICE
May 14 '11 at 21:55
...
Would it be beneficial to begin using instancetype instead of id?
...eclare fileHandleWithStandardOutput as returning an instancetype. Then the cast or assignment isn't necessary.
(Note that on iOS, this example won't produce an error as only NSFileHandle provides a writeData: there. Other examples exist, such as length, which returns a CGFloat from UILayoutSupport ...
Get path of executable
...char> char_vector;
char_vector buf(1024, 0);
uint32_t size = static_cast<uint32_t>(buf.size());
bool havePath = false;
bool shouldContinue = true;
do
{
int result = _NSGetExecutablePath(&buf[0], &size);
if (result == -1)
{
buf.resize(size + 1);
st...
What exactly is a C pointer if not a memory address?
... address, they do not just mean that you can coerce data into a pointer by casting an integer into a pointer. They mean the compiler might be using something other than memory addresses to implement pointers. On the Alpha processor with DEC’s ABI, a function pointer was not the address of the func...
Android - print full exception backtrace to log
...
In the context of Android, I had to cast the Exception to a String:
try {
url = new URL(REGISTRATION_PATH);
urlConnection = (HttpURLConnection) url.openConnection();
} catch(MalformedURLException e) {
Log.i("MALFORMED URL", String.valueOf(e));
} ca...
What is the most effective way for float and double comparison?
...
// The mask for the sign bit.
static const Bits kSignBitMask = static_cast<Bits>(1) << (kBitCount - 1);
// The mask for the fraction bits.
static const Bits kFractionBitMask =
~static_cast<Bits>(0) >> (kExponentBitCount + 1);
// The mask for the exponent bits...
Convert boolean result into number/integer
...
@ESR it casts everything to a number but not always the number you want, if you're dealing with other truthy types. 1 | 0 = 1; 0 | 0 = 0; true | 0 = 1; false | 0 = 0; 'foo' | 0 = 0; undefined | 0 = 0
– Luke Mile...
How are virtual functions and vtable implemented?
...more constant table
&vtableFoo, // can dynamic_cast to Foo
(void(*)(Foo*)) destructBar, // must cast type to avoid errors
(int(*)(Foo*)) aBar
};
void constructBar(Bar* self) { // Bar::Bar()
self->base.vtable = &vtableBar; // point to Bar vtable
}
...