If a <div> or any other element follows an <img>, then a ~3px whitespace appears in between them — even if margins are zero'd. <img src="example-fractal-art.png"> <div&g...

This removes white space from both ends of a string: NSString *newString = [oldString stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]]; How do I remove white sp...

I am working on a program that take user input for two file names. Unfortunately, the program can easily break if the user does not follow the specified format of the input. I want to write code th...

Can someone tell me how to do the opposite of this mapping in Vim: nnoremap <leader>iw :let _s=@/<Bar>:let _s2=line(".")<Bar>:%s/^\s*/&&/ge<Bar>:let @/=_s&...

I fetch some html and do some string manipulation and en up with a string like string sample = "\n \n 2 \n \n \ndl. \n \n \n flour\n\n \n 4 \n \n cups of \n\nsugar\n" I would like to find all in...

Is there a way to achieve this in HAML? <h1>Lorem ip<span class="red">sum</span><span class="subtitle">dolor</span></h1> I used this online tool conversor (ht...

The function normalize-space removes leading and trailing whitespace and replaces sequences of whitespace characters by a single space. How can I only replaces sequences of whitespace characters by...