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How are software license keys generated?
...tDigit = x % 10;
CORRECT WAY TO DO IT
Windows XP takes quite a bit of information, encrypts it, and puts the letter/number encoding on a sticker. This allowed MS to both verify your key and obtain the product-type (Home, Professional, etc.) at the same time. Additionally, it requires online act...
JavaScript module pattern with example [closed]
...terns"
– Adrien Be
Sep 15 '14 at 15:01
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URL matrix parameters vs. query parameters
... would recommend that you stick with query parameters for things like HTML forms and simple, single-level HTTP APIs.
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PL/SQL, how to escape single quote in a string?
...nswered Feb 9 '18 at 5:39
Corwin01Corwin01
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DateTime vs DateTimeOffset
...ey are first normalized to zero offset before comparing. In other words, 2012-01-01T00:00:00+00:00 and 2012-01-01T02:00:00+02:00 refer to the same instantaneous moment, and are therefore equivalent.
If you are doing any unit testing and need to be certain of the offset, test both the DateTimeOffset...
How to throw a C++ exception
...e you can do this with any derived exception class, you can add a lot of information to such a backtrace!
You may also take a look at my MWE on GitHub, where a backtrace would look something like this:
Library API: Exception caught in function 'api_function'
Backtrace:
~/Git/mwe-cpp-exception/src/d...
Regex Email validation
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AlexAlex
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Can I have multiple :before pseudo-elements for the same element?
...months later is a duplicate of this one. I have since merged most of the information from the other answer, which basically expands on everything @Jukka has said above, into this one as it's getting far more traffic, on top of coming first.
– BoltClock♦
Mar 5...
When - and why - should you store data in the Windows Registry?
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edited Nov 6 '08 at 16:01
answered Nov 6 '08 at 12:33
Ja...
Rails migrations: self.up and self.down versus change
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edited Apr 28 '12 at 17:01
answered Apr 28 '12 at 16:54
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