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How to retrieve all keys (or values) from a std::map and put them into a vector?
...vel of your fellow programmers. Additionally, it moves functionality away from the call site. Which can make maintenance a little more difficult.
I'm not sure if your goal is to get the keys into a vector or print them to cout so I'm doing both. You may try something like this:
std::map<int, i...
What does immutable mean?
...
hello from 2015!! "On a lower level, immutability means that the memory the string is stored in will not be modified. " --- this is too restrictive and does not sound right. Immutability is only about userland, the virtual memory m...
Convert MySQL to SQlite [closed]
Is it possible to convert from MySQL to SQLite with a free tool on windows?
15 Answers
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Can I browse other people's (Apple) bug reports? [closed]
...f I can't look up their bug reports by ID)? I guess perchance that someone from Apple who organizes bug reports is reading Stack Overflow?
– ma11hew28
Jun 26 '14 at 15:20
...
Remove all subviews?
...views:
[[someUIView subviews]
makeObjectsPerformSelector:@selector(removeFromSuperview)];
Thank you to Tommy for pointing out that makeObjectsPerformSelector: appears to modify the subviews array while it is being enumerated (which it does for NSView, but not for UIView).
Please see this SO que...
What is the use of the ArraySegment class?
...s Program
{
static void Main()
{
// Create an ArraySegment from this array.
int[] array = { 10, 20, 30 };
ArraySegment<int> segment = new ArraySegment<int>(array, 1, 2);
// Write the array.
Console.WriteLine("-- Array --");
int[] o...
Why use pointers? [closed]
...either easy-enough. References are no silver bullet protecting an engineer from shooting himself in the foot. See it live.
– WhozCraig
Sep 9 '13 at 18:14
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How to disable Django's CSRF validation?
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If you just need some views not to use CSRF, you can use @csrf_exempt:
from django.views.decorators.csrf import csrf_exempt
@csrf_exempt
def my_view(request):
return HttpResponse('Hello world')
You can find more examples and other scenarios in the Django documentation:
https://docs.djan...
Java inner class and static nested class
...
From the Java Tutorial:
Nested classes are divided into two categories: static and non-static. Nested classes that are declared static are simply called static nested classes. Non-static nested classes are called inner cl...
What is a Y-combinator? [closed]
A Y-combinator is a computer science concept from the “functional” side of things. Most programmers don't know much at all about combinators, if they've even heard about them.
...