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Make Div overlay ENTIRE page (not just viewport)?

...p://jsbin.com/okabo3/edit div.fadeMe { opacity: 0.5; background: #000; width: 100%; height: 100%; z-index: 10; top: 0; left: 0; position: fixed; } <body> <div class="fadeMe"></div> <p>A bunch of content here...</...
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Set operations (union, intersection) on Swift array?

...have N possible numbers and need to make sets of them. For example, N=100,000 and want to make sets like {1,2,3}, {5, 88, 19000} etc. The idea is to keep the list of N prime numbers in memory and for a given set {a, b, c, ...} you encode it as prime[a]*prime[b]*prime[c]*... So you encode a set...
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What is the purpose of the '@' symbol in CSS?

... this style only for printing */ @media print { body { color: #000; background: #fff; } } /* Embed a custom web font */ @font-face { font-family: 'DejaVu Sans'; src: local('DejaVu Sans Regular'), url(/fonts/DejaVuSans.ttf); } @font-face rules define custom fonts f...
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HTML.ActionLink vs Url.Action in ASP.NET Razor

... Url.Action is much more performat than Html.ActionLink. I had a list of 6,000 items that had 2 Html.ActionLinks. It took 6,600ms to render the list. Without the Html.ActionLinks it took 52ms. Using Url.Action it took 270ms. Granted, 6000 items is a large list, but thought I'd add it for future refe...
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How to programmatically send SMS on the iPhone?

...essage sending. NSArray *recipient = [NSArray arrayWithObjects:@"+7 (90*) 000-00-00", nil]; NSData *ser_rec = [NSPropertyListSerialization dataWithPropertyList:recipient format:200 options:0 error:NULL]; xpc_object_t mydict = xpc_dictionary_create(0, 0, 0); xpc_dictionary_set_int64(mydict, "messa...
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Is it possible for a computer to “learn” a regular expression by user-provided examples?

...ach digit is one greater than the preceding digit. Even if you provide 10,000 samples of 6-digit numbers, the program cannot distinguish between #1, #4, #5, or #6 without extra instructions from the user. – Jan Goyvaerts Oct 24 '14 at 3:43 ...
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CSS: Control space between bullet and

...ullet */ } li span { display:block; margin-left:-0.5em; color:#000; /* black text */ } </style> <ul> <li><span>Some text</span></li> </ul> Advantages: No image = 1 less file to download You get more control over the position of the bulle...
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Fast way of finding lines in one file that are not in another?

I have two large files (sets of filenames). Roughly 30.000 lines in each file. I am trying to find a fast way of finding lines in file1 that are not present in file2. ...
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regex.test V.S. string.match to know if a string matches a regular expression

... My two cents: performance is overrated. Either option can do ~15,000 operations in the flicker of a monitor, so unless you're doing bulk regex client-side, speed isn't relevant. Of course 'test' is logically the correct function if a boolean result is what you're after. Thanks for the Q/A ...
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How to scale down a range of numbers with a known min and max value

... var arr = ["-40000.00","2","3.000","4.5825","0.00008","1000000000.00008","0.02008","100","-5000","-82.0000048","0.02","0.005","-3.0008","5","8","600","-1000","-5000"]; for this case, by your method ,numbers are getting too small . Is ther...