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selecting unique values from a column

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Converting DateTime format using razor

...playFormat] attribute is only used in EditorFor/DisplayFor, and not by the raw HTML APIs like TextBoxFor. I got it working by doing the following, Model: [Display(Name = "When was that document issued ?")] [DisplayFormat(ApplyFormatInEditMode = true, DataFormatString = "{0:d}")] public DateTime? L...
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How can bcrypt have built-in salts?

...m PasswordEncoder interface documentation from Spring Security, * @param rawPassword the raw password to encode and match * @param encodedPassword the encoded password from storage to compare with * @return true if the raw password, after encoding, matches the encoded password from * storage *...
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“#include” a text file in a C program as a char[]

... done with only little changes to the included text file thanks to the new raw string literals: In C++ do this: const char *s = #include "test.txt" ; In the text file do this: R"(Line 1 Line 2 Line 3 Line 4 Line 5 Line 6)" So there must only be a prefix at the top of the file and a suffix at ...
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MYSQL OR vs IN performance

...e is the simplest possible use case. Using Eloquent for syntax simplicity, raw SQL equivalent executes the same. $t = microtime(true); for($i=0; $i<10000; $i++): $q = DB::table('users')->where('id',1) ->orWhere('id',2) ->orWhere('id',3) ->orWhere('id',4) ->orWhere...
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Convert one date format into another in PHP

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AngularJS: Basic example to use authentication in Single Page Application

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Split string based on a regular expression

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How do I sort unicode strings alphabetically in Python?

Python sorts by byte value by default, which means é comes after z and other equally funny things. What is the best way to sort alphabetically in Python? ...
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Checking if form has been submitted - PHP

...ou can use hash) Ex: $token = hash (string $algo , string $data [, bool $raw_output = FALSE ] ); Assign this token to a session variable. Ex: $_SESSION['form_token'] = $token; Add a hidden input to submit the token. Ex: input type="hidden" name="token" value="{$token}" then as part of your ...