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Using custom std::set comparator

...should use a functor (a class that overloads the () operator so it can be called like a function). struct lex_compare { bool operator() (const int64_t& lhs, const int64_t& rhs) const { stringstream s1, s2; s1 << lhs; s2 << rhs; return s1.str()...
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python assert with and without parenthesis

...through IDLE. Because assert is a keyword and not a function, you are actually passing in a tuple as the first argument and leaving off the second argument. Recall that non-empty tuples evaluate to True, and since the assertion message is optional, you've essentially called assert True when you wr...
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How do I convert a Vector of bytes (u8) to a string

...("result: {}", s); } The conversion is in-place, and does not require an allocation. You can create a String from the string slice if necessary by calling .to_owned() on the string slice (other options are available). The library reference for the conversion function: std::str::from_utf8 ...
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printf with std::string?

...f what it expects definitely won't give you the results you want. It's actually undefined behaviour, so anything at all could happen. The easiest way to fix this, since you're using C++, is printing it normally with std::cout, since std::string supports that through operator overloading: std::cout...
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Can't use Swift classes inside Objective-C

... -Swift.h file, only the bridging headers. So I created it, but it's actually empty. I can use all my ObjC classes in Swift, but I can't do it vice versa. I marked my swift class with @objc but it didn't help. What can I do now? ...
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iPhone UITextField - Change placeholder text color

...olor blackColor]; textField.attributedPlaceholder = [[NSAttributedString alloc] initWithString:placeholderText attributes:@{NSForegroundColorAttributeName: color}]; } else { NSLog(@"Cannot set placeholder text's color, because deployment target is earlier than iOS 6.0"); // TODO: Add fall-back...
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Text editor to open big (giant, huge, large) text files [closed]

...Also support file following and regex search. Very fast, simple, and has small executable size. klogg (Windows, macOS, Linux) – A maintained fork of glogg, its main feature is regular expression search. It can also watch files, allows the user to mark lines, and has serious optimizations built in....
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Git production/staging server workflow

...y good concepts of branching and versioning. – Edgar Alloro Nov 21 '18 at 21:52 add a comment  |  ...
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How to convert boost path type to string?

... You just need to call myPath.string(). share | improve this answer | follow | ...
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What is the effect of encoding an image in base64?

... Here's a really helpful overview of when to base64 encode and when not to by David Calhoun. Basic answer = gzipped base64 encoded files will be roughly comparable in file size to standard binary (jpg/png). Gzip'd binary files will ha...