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What is your favorite C programming trick? [closed]
...you should be aware there are some issues with this for large, dynamically allocated structures.
share
edited May 23 '17 at 11:54
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How does an underscore in front of a variable in a cocoa objective-c class work?
...he value to use. This helps keep your used memory low (and also helps with alloc and dealloc of memory, which is important in the absence of 'garbage collection' which you'll find in Java)
– David Sigley
Aug 30 '13 at 13:34
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Fade/dissolve when changing UIImageView's image
...ew, as in the following example:
IMMFadeImageView *fiv=[[IMMFadeImageView alloc] initWithFrame:CGRectMake(10, 10, 50, 50)];
[self.view addSubview:fiv];
fiv.image=[UIImage imageNamed:@"initialImage.png"];
fiv.image=[UIImage imageNamed:@"fadeinImage.png"]; // fades in
A possible implementation fol...
Convert from enum ordinal to enum type
...t... you know - the C programmer inside me screams in pain seeing that you allocate a full-blown HashMap and perform lookups inside it all of it JUST to essentially manage 4 constants: spades, hearts, diamonds and clubs! A C programmer would allocate 1 byte for each: 'const char CLUBS=0;' etc... Ye...
Regular expressions in C: examples?
...tderr, "Regex match failed: %s\n", msgbuf);
exit(1);
}
/* Free memory allocated to the pattern buffer by regcomp() */
regfree(&regex);
Alternatively, you may want to check out PCRE, a library for Perl-compatible regular expressions in C. The Perl syntax is pretty much that same syntax use...
Replacement for deprecated sizeWithFont: in iOS 7?
...*font = ...;
NSAttributedString *attributedText =
[[NSAttributedString alloc] initWithString:text
attributes:@{NSFontAttributeName: font}];
CGRect rect = [attributedText boundingRectWithSize:(CGSize){width, CGFLOAT_MAX}
...
What are transparent comparators?
...lates:
template<typename T, typename Cmp = std::less<>, typename Alloc = std::allocator<T>>
using set = std::set<T, Cmp, Alloc>;
The name is_transparent comes from STL's N3421 which added the "diamond operators" to C++14. A "transparent functor" is one which accepts any ...
Where are static methods and static variables stored in Java?
... is stored in the permgen space, any referenced object will most likely be allocated on the heap. This might add some information: stackoverflow.com/questions/3800444/…
– Thomas
Dec 5 '11 at 16:01
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Log all requests from the python-requests module
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Strangely enough, I do not see the access_token in the OAuth request. Linkedin is complaining about unauthorized request, and I want to verify whether the library that I am using (rauth on top of requests) is sending that token with the request. I was expecting to se...
How do you attach and detach from Docker's process?
..."docker attach" to attach the container:
Since "docker attach" will not allocate a new tty, but reuse the original running tty, so if you run exit command, it will cause the running container exit:
# docker attach 91262536f7c9
exit
exit
# docker ps -a
CONTAINER ID IMAGE CO...