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Creating an instance of class
... new Bar ( Foo::Foo() ); is not usual. It's usually new Bar ( (Foo()) ); - extra parenthesis account for most-vexing parse. (corrected)
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How do I enable TODO/FIXME/XXX task tags in Eclipse?
...uld be enough to have them appear in the Task list (or the Markers view).
Extra note: reinstalling Eclipse won't change anything most of the time if you work on the same workspace. Most settings used by Eclipse are stored in the .metadata folder, in your workspace folder.
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How does Django's Meta class work?
I am using Django which allows people to add extra parameters to a class by using class Meta .
6 Answers
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Need to understand the usage of SemaphoreSlim
...n (i.e., no FIFO priorities).
When a teacher is around, she "releases" an extra row of 5 footprints on the other side of the corridor such that 5 more kids can play in the room at the same time.
It also has the same "pitfalls" of SemaphoreSlim...
If a kid finishes playing and leaves the room with...
What does addChildViewController actually do?
...main view controller. This will soon make things complicated and create an extra dependency between unrelated components in the app.
That was in the past, before the concept of child view controllers is introduced. But now, you only need to addChildViewController to the main view controller and ev...
Styling Google Maps InfoWindow
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Props for including some extra code that I was looking for how to use. Thanks
– MetalPhoenix
Nov 18 '14 at 16:41
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Defining and using a variable in batch file
...e referenced with %location %. If that’s not what you want, remove the extra space(s) in the definition.
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Why are my balls disappearing? [closed]
...tyX);
ball2.nextY = (ball2.nextY += ball2.velocityY);
You don't need the extra assignments, and can just use the += operator alone:
ball1.nextX += ball1.velocityX;
ball1.nextY += ball1.velocityY;
ball2.nextX += ball2.velocityX;
ball2.nextY += ball2.velocityY;
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Should I use “hasClass” before “addClass”? [duplicate]
...l because jQuery will also always check from within .addClass(). It's just extra work.
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print call stack in C or C++
...tdio.h>
#include <execinfo.h>
void print_trace(void) {
char **strings;
size_t i, size;
enum Constexpr { MAX_SIZE = 1024 };
void *array[MAX_SIZE];
size = backtrace(array, MAX_SIZE);
strings = backtrace_symbols(array, size);
for (i = 0; i < size; i++)
pr...