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How can I get the list of files in a directory using C or C++?
...pendir ("c:\\src\\")) != NULL) {
/* print all the files and directories within directory */
while ((ent = readdir (dir)) != NULL) {
printf ("%s\n", ent->d_name);
}
closedir (dir);
} else {
/* could not open directory */
perror ("");
return EXIT_FAILURE;
}
It is just a small he...
How to get a time zone from a location using latitude and longitude coordinates?
... on StackOverflow about resolving a time zone from a location. This community wiki is an attempt at consolidating all of the valid responses.
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Routes with Dash `-` Instead of Underscore `_` in Ruby on Rails
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With Rails 3 and later you can do like this:
resources :user_bundles, :path => '/user-bundles'
Another option is to modify Rails, via an initializer.
I don't recommend this though, since it may break in future versions...
What is dynamic programming? [closed]
...Dynamic programming is used a lot in string problems, such as the string edit problem. You solve a subset(s) of the problem and then use that information to solve the more difficult original problem.
With dynamic programming, you store your results in some sort of table generally. When you need the...
Why does the MongoDB Java driver use a random number generator in a conditional?
I saw the following code in this commit for MongoDB's Java Connection driver , and it appears at first to be a joke of some sort. What does the following code do?
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Readonly Properties in Objective-C?
...d to tell the compiler that you also want a setter. A common way is to put it in a class extension in the .m file:
@interface YourClass ()
@property (nonatomic, copy) NSString* eventDomain;
@end
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Get nth character of a string in Swift programming language
...w can I get the nth character of a string? I tried bracket( [] ) accessor with no luck.
45 Answers
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Print list without brackets in a single row
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print(', '.join(names))
This, like it sounds, just takes all the elements of the list and joins them with ', '.
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What does a colon following a C++ constructor name do? [duplicate]
What does the colon operator (":") do in this constructor? Is it equivalent to MyClass(m_classID = -1, m_userdata = 0); ?
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Unresolved specs during Gem::Specification.reset:
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I was seeing this issue by just running RSpec on its own. From what I understand, this means that you have more than one version of the listed gems installed on your system, and RSpec is unsure which one to use. After uninstalling older version of the gems, the warnings wen...