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Selectors in Objective-C?
...l about the method names. In this case, the method name is just "lowercaseString", not "lowercaseString:" (note the absence of the colon). That's why you're getting NO returned, because NSString objects respond to the lowercaseString message but not the lowercaseString: message.
How do you know wh...
Making a Sass mixin with optional arguments
...wer, but I think the explicitly named function is less obfuscated than the string interpolation syntax.
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Adjust width of input field to its input
... of the character "m". This would be useful for calculating the width of a string. I've seen cross-browser issues with em units applied to some attributes though so do test it.
– Archonic
Apr 4 '13 at 4:46
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How do I use the conditional operator (? :) in Ruby?
..." : "false" then expected puts to return the boolean which then became the string value.
– Fresheyeball
Aug 25 '15 at 23:16
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What is the meaning of “… …” token? i.e. double ellipsis operator on parameter pack
...emonstration of the double ellipsis:
#include <cstdio>
#include <string>
template< typename T >
T const &printf_helper( T const &x )
{ return x; }
char const *printf_helper( std::string const &x )
{ return x.c_str(); }
template< typename ... Req, typename...
Add only non-whitespace changes
...l - its only special characters are ", \, \n, and ; (outside of a "-quoted string). This is why a " must always be escaped, even if it looks like it's inside a single-quoted string (which git is completely agnostic about).
This is important, eg. if you have a handy alias to execute a bash command i...
How does libuv compare to Boost/ASIO?
...a thread abstraction, as Boost.Thread already provides one.
On the other hand, libuv is a C library designed to be the platform layer for Node.js. It provides an abstraction for IOCP on Windows, kqueue on macOS, and epoll on Linux. Additionally, it looks as though its scope has increased slightly...
Convert a float64 to an int in Go
... I know the strconv package can be used to convert anything to or from a string, but not between data types where one isn't a string. I know I can use fmt.Sprintf to convert anything to a string, and then strconv it to the data type I need, but this extra conversion seems a bit clumsy - is the...
Get class list for element with jQuery
...lt;lots of spaces here> bar", you would end up with an array with empty string elements.
– Jacob van Lingen
Sep 22 '15 at 14:03
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Tool to generate JSON schema from JSON data [closed]
...It is an online tool that can automatically generate JSON schema from JSON string. And you can edit the schema easily.
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