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What does the smiley face “:)” mean in CSS?

...wsers. Also there's a hack for <= IE 8: div { color: blue; /* All browsers */ color: purple\9; /* IE8 and earlier */ *color: pink; /* IE7 and earlier */ } However that's not a good idea, they don't validate. You always feel free to work with Conditional comments for targeting...
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What is the difference between Int and Integer?

...sers may recognise the "bignum" type here. "Int" is the more common 32 or 64 bit integer. Implementations vary, although it is guaranteed to be at least 30 bits. Source: The Haskell Wikibook. Also, you may find the Numbers section of A Gentle Introduction to Haskell useful. ...
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get size of json object

... KasunKasun 5,84322 gold badges1212 silver badges88 bronze badges ...
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Python extract pattern matches

...h a standard python REPL, the last result is stored in a special variable called _. It isn't valid outside anywhere else. – UltraInstinct Mar 13 '19 at 2:25 ...
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Disable validation of HTML5 form elements

...hrome, and if you catch the "invalid" event and return false that seems to allow form submission. I am using jquery, with this HTML. // suppress "invalid" events on URL inputs $('input[type="url"]').bind('invalid', function() { alert('invalid'); return false; }); document.forms[0].o...
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What is the overhead of creating a new HttpClient per call in a WebAPI client?

...nt? Is it better to have one instance of the HttpClient for multiple calls? 7 Answers ...
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Android selector & text color

... Should the selector really reside under res/color folder? – mr5 Apr 21 '17 at 4:29  |  sh...
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How to make a JSONP request from Javascript without JQuery?

...cument.createElement('script'); script.src = '//example.com/path/to/jsonp?callback=foo' document.getElementsByTagName('head')[0].appendChild(script); // or document.head.appendChild(script) in modern browsers share ...
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Loaded nib but the 'view' outlet was not set

...s are right, but as I'm a newcomer it took me a little while to figure out all the steps to do that. Here's what worked for me: Open the XIB file causing problems Click on file's owner icon on the left bar (top one, looks like a yellow outlined box) If you don't see the right-hand sidebar, click o...
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Two submit buttons in one form

... Normally, all inputs in the form are sent with the form. Since a button's value is submitted only if clicked, you'd have to search the form values for these pre-defined names. I think the other answer (stackoverflow.com/a/21778...