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Why do we not have a virtual constructor in C++?
...time-specified amounts of memory on the stack - e.g. GCC's variable-length array extension, alloca() - but leads to significant inefficiencies and complexities (e.g. here and here respectively)
for dynamic allocation it must return a pointer so memory can be deleted later.
the postulated notation ...
Checking whether a variable is an integer or not [duplicate]
...sinstance(3L, (long, int))
True
I've seen checks of this kind against an array/index type in the Python source, but I don't think that's visible outside of C.
Token SO reply: Are you sure you should be checking its type? Either don't pass a type you can't handle, or don't try to outsmart your pot...
Collection versus List what should you use on your interfaces?
...gues). Here's another example that might make sense.
If you have a public array, ex:
public int[] MyIntegers { get; }
You would think that because there is only a "get" accessor that no-one can mess with the values, but that's not true. Anyone can change the values inside there just like this:
...
Circle drawing with SVG's arc path
... where the start point of all shapes is. It has to do so in order for dash arrays to work on shapes.
– Paul LeBeau
Jan 17 '17 at 3:50
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How to escape special characters in building a JSON string?
...ead, form the data structure you want to encode using whatever native map, array, string, number, boolean, and null types your language has, and then encode it to JSON with a JSON-encoding function. Such a function is probably built into whatever language you're using, like JavaScript's JSON.stringi...
Select multiple images from android gallery
... You can get the urls in the result Intent.getClipData. It has the array of ClipData Item.
– Tam Huynh
Aug 15 '18 at 8:52
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uint8_t vs unsigned char
...racter at every position -- in other words that each element of the string/array is an arbitrary integer that one shouldn't make any semantic assumptions about. Of course all C programmers know this, but it may push beginners to ask the right questions.
– tne
J...
Why is quicksort better than mergesort?
...rt: If we are going with random pivot, the call stack has fragments of the array partitioned in a random way. This requires random access. However, for each call in the stack, both left and right pointers move sequentially. I am assuming these would be kept in the cache. The swaps are operations ag...
Running bash script from within python
...eter: subprocess.call("sleep.sh 10") will not work, you must pass it as an array: subprocess.call(["sleep.sh", 10])
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Declaring pointers; asterisk on the left or right of the space between the type and name? [duplicate
...f pointer] and somePtr remains to be the name. We do something similar for arrays when we go to place the square brackets on the type side as well (i.e. byte[]). But to be honest, if you were to ask me how I write my pointers, I'd say I currently still prefer to write them as someType *somePtr :) To...