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“Least Astonishment” and the Mutable Default Argument

...thon. I found it very clear, and I really suggest reading it for a better knowledge of how function objects work. share | improve this answer | follow | ...
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In absence of preprocessor macros, is there a way to define practical scheme specific flags at proje

.... Here's an example: #if DEBUG let a = 2 #else let a = 3 #endif Now, you must set the "DEBUG" symbol elsewhere, though. Set it in the "Swift Compiler - Custom Flags" section, "Other Swift Flags" line. You add the DEBUG symbol with the -D DEBUG entry. (Build Settings -> Swift Compiler ...
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Email validation using jQuery

...n this regex may need modifying .systems and .poker etc are all valid TLDs now but would fail the regex check – Liath Sep 5 '14 at 7:35 3 ...
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Are HTTPS URLs encrypted?

...all URLs encrypted when using TLS/SSL (HTTPS) encryption? I would like to know because I want all URL data to be hidden when using TLS/SSL (HTTPS). ...
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How to use/install gcc on Mac OS X 10.8 / Xcode 4.4

I have install Mountain Lion (Mac OS X 10.8) and now gcc doesn't seem to be available anymore. I've also installed Xcode 4.4 so there is no more /Developer directory. ...
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Using SignalR with Redis messagebus failover using BookSleeve's ConnectionUtils.Connect()

... The SignalR team has now implemented support for a custom connection factory with StackExchange.Redis, the successor to BookSleeve, which supports redundant Redis connections via ConnectionMultiplexer. The initial problem encountered was that in...
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How to write a large buffer into a binary file in C++, fast?

...es 2-5%. Thanks a lot to everyone. Update: 5 years have passed it's 2017 now. Compilers, hardware, libraries and my requirements have changed. That's why I made some changes to the code and did some new measurements. First up the code: #include <fstream> #include <chrono> #include &l...
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Is SHA-1 secure for password storage?

... a bit new, so sticking to SHA-256 or SHA-512 would be a safer route right now. It would make you look professional and cautious, which is good. Note that "as secure as you can get" is not the same as "perfectly safe". See below for rather lengthy explanations. About known attacks: The known atta...
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Calculate the date yesterday in JavaScript

... If you need a one-liner, use something like new Date( Date.now() - 24*60*60*1000 ); this has the benefit of only creating one Date object. But honestly, whoever's maintaining this code will be much happier to see the clear 2-line version than they would something throwing functions ...
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How do I resolve “HTTP Error 500.19 - Internal Server Error” on IIS7.0 [closed]

...ewrite> config section is valid so the config is malformed technically. Now why they can't just spit out a better error is beyond me. – Wyatt Barnett Apr 7 '14 at 20:46 16 ...