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How to use hex color values
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Alas, like many other hex converters, this doesn't handle alpha components. So, for example, you can't get a UIColor.clear value from it.
– Womble
Jan 6 '17 at 3:27
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Why are C character literals ints instead of chars?
...ode did was to put the read character into an int, then test for EOF, then convert to a char if it wasn't.
I realize this doesn't exactly answer your question, but it would make some sense for the rest of the character literals to be sizeof(int) if the EOF literal was.
int r;
char buffer[1024], *p...
Unexpected results when working with very big integers on interpreted languages
...s, integers types are used in Javascript, but all the arithmetic operators convert their operands to floating point numbers before doing anything with them (barring compiler optimizations).
– Peter Olson
Aug 5 '13 at 1:40
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android pick images from gallery
...ll example for request permission (if need), pick image from gallery, then convert image to bitmap or file
AndroidManifesh.xml
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
Activity
class MainActivity : AppCompatActivity() {
override fun onCreate(savedIns...
How to log a method's execution time exactly in milliseconds?
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const uint64_t elapsedMTU = endTime - startTime;
// Get information for converting from MTU to nanoseconds
mach_timebase_info_data_t info;
if (mach_timebase_info(&info))
handleErrorConditionIfYoureBeingCareful();
// Get elapsed time in nanoseconds:
const double elapsedNS = (double)elapsed...
Does C have a “foreach” loop construct?
...ou're right, it's one array past the end of the array, but that array type converts to a pointer in this context (an expression), and that pointer is one past the end of the array.
– Steve Cox
Oct 5 '16 at 14:09
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How do I parse a string with a decimal point to a double?
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I like to use the XmlConvert class ... do you have any ideas whether this is better, worse, and/or different than using CultureInfo.InvariantCulture?
– ChrisW
Aug 30 '09 at 21:23
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Editing dictionary values in a foreach loop
...t the for loop: it's copying the list of keys. (It would still work if you converted it to a foreach loop.) Solving by using a for loop would mean using colStates.Keys in place of keys.
– idbrii
Mar 27 '19 at 16:26
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Accessing inactive union member and undefined behavior?
...sion [conv.lval]
A glvalue of a non-function, non-array type T can be converted to a prvalue.
If T is an incomplete type, a program that necessitates this conversion is ill-formed. If the object to which the glvalue refers is not an object of type T and is not an object of a type derived from...
Flatten an Array of Arrays in Swift
... as it returns a lazy collection instead of a new array, but can always be converted to an array when passed to Array() initialiser like in the example above.
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