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What's the difference between using “let” and “var”?

... Ben SBen S 64.1k2929 gold badges162162 silver badges208208 bronze badges ...
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What use is find_package() if you need to specify CMAKE_MODULE_PATH anyway?

...ires no hard-coded paths and is cross-platform. On Windows (including mingw64) it works via the registry. If you examine how the list of installation prefixes is constructed by the CONFIG mode of the find_packages() command, you'll see that the User Package Registry is one of elements. Brief how-to...
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How to play a local video with Swift?

... return false } } func seekToPosition(seconds:Float64) { if let player = assetPlayer { pause() if let timeScale = player.currentItem?.asset.duration.timescale { player.seekToTime(CMTimeMakeWithSeconds(seconds, timeScale), comple...
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git cherry-pick says “…38c74d is a merge but no -m option was given”

... 640 The way a cherry-pick works is by taking the diff a changeset represents (the difference betwe...
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Natural Sort Order in C#

...jEzKsSwKg=="; string[] fileNames = Encoding.UTF8.GetString(Convert.FromBase64String(encodedFileNames)) .Replace("*", ".txt?").Split(new[] { "?" }, StringSplitOptions.RemoveEmptyEntries) .Select(n => expand(n)).ToArray(); ...
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How can I unit test Arduino code?

... 64 In the absence of any pre-existing unit test frameworks for Arduino, I have created ArduinoUnit...
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How to get JSON response from http.Get

...e/34s/88137413.png size:small] map[#text:http://userserve-ak.last.fm/serve/64s/88137413.png size:medium] map[#text:http://userserve-ak.last.fm/serve/126/88137413.png size:large] map[#text:http://userserve-ak.last.fm/serve/300x300/88137413.png size:extralarge]] @attr:map[rank:1] duration:369 mbid: st...
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Is R's apply family more than syntactic sugar?

... on a 12 core 3Ghz intel Xeon, 64bit, I get quite different numbers to you - the for loop improves considerably: for your three tests, I get 2.798 0.003 2.803; 4.908 0.020 4.934; 1.498 0.025 1.528, and vapply is even better: 1.19 0.00 1.1...
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Is 'switch' faster than 'if'?

... To your question: 1.What would a basic jump table look like, in x86 or x64? Jump table is memory address that holds pointer to the labels in something like array structure. following example will help you understand how jump tables are laid out 00B14538 D8 09 AB 00 D8 09 AB 00 D8 09 AB 00 D8 0...
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Measure time in Linux - time vs clock vs getrusage vs clock_gettime vs gettimeofday vs timespec_get?

...on. In principle this clock wraps around, however it is storing ns using a 64-bit unsigned integer, so the wrapping around shouldn't be an issue in practice. Portability is questionable. I wrote a hybrid function based on this snippet that uses clock_gettime when compiled on Linux, or a Mach timer w...