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Hash and salt passwords in C#

... Actually this is kind of strange, with the string conversions - which the membership provider does to put them into config files. Hashes and salts are binary blobs, you don't need to convert them to strings unless you want to put them into text files. In my book, Be...
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Are PDO prepared statements sufficient to prevent SQL injection?

...xbf27. In gbk, that's an invalid multibyte character; in latin1, it's the string ¿'. Note that in latin1 and gbk, 0x27 on its own is a literal ' character. We have chosen this payload because, if we called addslashes() on it, we'd insert an ASCII \ i.e. 0x5c, before the ' character. So we'd win...
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find() with nil when there are no records

...ou already have a block such as a controller method. In that case the only extra line you need is the rescue line. Much more elegant and easier to handle than checking for nil with an if statement. – morgler Aug 1 '17 at 7:30 ...
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Pointer arithmetic for void pointer in C

When a pointer to a particular type (say int , char , float , ..) is incremented, its value is increased by the size of that data type. If a void pointer which points to data of size x is incremented, how does it get to point x bytes ahead? How does the compiler know to add x to value of ...
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Entity Framework - Include Multiple Levels of Properties

...ntity in the usings. Otherwise Intellisense will only give you the Include(string path) version of the method. – OJ Raqueño Jul 28 '13 at 3:15 5 ...
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Unicode characters in URLs

... to prevent phishing. Displaying non-ASCII characters in the path or query string part does not create a similar vilnerability. IE simply didn't bother to implement it. (And Firefox is the only one that implemented it for the fragment part as well.) – Tgr Jul 4...
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Single controller with multiple GET methods in ASP.NET Web API

...ontroller below: public class TestController : ApiController { public string Get() { return string.Empty; } public string Get(int id) { return string.Empty; } public string GetAll() { return string.Empty; } public void Post([FromBod...
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Why do we need fibers

...> #<Enumerator: [1, 2, 3]:reverse_each> irb(main):002:0> "abc".chars => #<Enumerator: "abc":chars> irb(main):003:0> 1.upto(10) => #<Enumerator: 1:upto(10)> These Enumerators are Enumerable objects, and their each methods yield the elements which would have been yie...
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Count Rows in Doctrine QueryBuilder

...3600) ->getSingleScalarResult(); } In some simple cases using EXTRA_LAZY entity relations is good http://doctrine-orm.readthedocs.org/projects/doctrine-orm/en/latest/tutorials/extra-lazy-associations.html share ...
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What's the difference between a temp table and table variable in SQL Server?

... to encapsulate and reuse logic much easier (eg make a function to split a string into a table of values on some arbitrary delimiter). Using Table Variables within user-defined functions enables those functions to be used more widely (see CREATE FUNCTION documentation for details). If you're writing...