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Calling Objective-C method from C++ member function?
... have a class ( EAGLView ) which calls a member function of a C++ class without problems. Now, the problem is that I need to call in that C++ class a objective-C function [context renderbufferStorage:GL_RENDERBUFFER fromDrawable:(CAEAGLLayer*)self.layer]; which I cannot do in C++ syntax....
file_put_contents(meta/services.json): failed to open stream: Permission denied
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edited Nov 5 '18 at 19:43
answered Jun 23 '14 at 15:17
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Swapping two variable value without using third variable
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Using the xor swap algorithm
void xorSwap (int* x, int* y) {
if (x != y) { //ensure that memory locations are different
*x ^= *y;
*y ^= *x;
*x ^= *y;
}
}
Why the test?
The test is to ensure that x and y have diffe...
Python code to remove HTML tags from a string [duplicate]
...nr, '', raw_html)
return cleantext
Some HTML texts can also contain entities, that are not enclosed in brackets such as '&nsbm'. If that is the case then you might want to write the regex as
cleanr = re.compile('<.*?>|&([a-z0-9]+|#[0-9]{1,6}|#x[0-9a-f]{1,6});')
This link contain...
Getting the client's timezone offset in JavaScript
How can I gather the visitor's time zone information? I need the Timezone, as well as the GMT offset hours.
26 Answers
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Combining C++ and C - how does #ifdef __cplusplus work?
...m working on a project that has a lot of legacy C code. We've started writing in C++, with the intent to eventually convert the legacy code, as well. I'm a little confused about how the C and C++ interact. I understand that by wrapping the C code with extern "C" the C++ compiler will not ...
Automatically start forever (node) on system restart
...stem restart. Is there any way I can automatically start the node server (with forever) when the system restarts?
15 Answer...
How to invoke the super constructor in Python?
In all other languages I've worked with the super constructor is invoked implicitly. How does one invoke it in Python? I would expect super(self) but this doesn't work.
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How can I get query string values in JavaScript?
...here a plugin-less way of retrieving query string values via jQuery (or without)?
73 Answers
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What's the difference between :: (double colon) and -> (arrow) in PHP?
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This means that -> is mostly used to access instance members (though it can also be used to access static members, such usage is discouraged), while :: is usually used to access static members (though in a few special cases, it's used to access instance members).
In general, :: is used for sc...