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Java : How to determine the correct charset encoding of a stream
...ch present you a snippet of the file in different encodings and ask you to select the "correct" one.
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Unicode Processing in C++
...ng new projects in Dev Studio, religiously make sure the Unicode option is selected in your project properties.
For C++ strings, use std::wstring instead of std::string
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SET NAMES utf8 in MySQL?
... client, thus is also needed when receiving this data, using for example a SELECT statement.
– Leopoldo Sanczyk
Nov 20 '15 at 20:54
...
How can I hash a password in Java?
...te[16];
random.nextBytes(salt);
KeySpec spec = new PBEKeySpec("password".toCharArray(), salt, 65536, 128);
SecretKeyFactory f = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA1");
byte[] hash = f.generateSecret(spec).getEncoded();
Base64.Encoder enc = Base64.getEncoder();
System.out.printf("salt: %s...
What does the `forall` keyword in Haskell/GHC do?
... b)
ghci> liftTup (\x -> [x]) (5, "Hello")
No instance for (Num [Char])
...
ghci> -- huh?
ghci> :t liftTup
liftTup :: (t -> t1) -> (t, t) -> (t1, t1)
"Hmm.. why does GHC infer that the tuple must contain two of the same type? Let's tell it they don't have to be"
-- te...
Clean code to printf size_t in C++ (or: Nearest equivalent of C99's %z in C++)
...retty one..
template< class T >
struct GetPrintfID
{
static const char* id;
};
template< class T >
const char* GetPrintfID< T >::id = "%u";
template<>
struct GetPrintfID< unsigned long long > //or whatever the 64bit unsigned is called..
{
static const char* id;
...
Extracting hours from a DateTime (SQL Server 2005)
...
SELECT DATEPART(HOUR, GETDATE());
DATEPART documentation
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How to make an OpenGL rendering context with transparent background?
... 0);
assert(hbmpDIB);
assert(bmp_cnt);
if(hbmpDIB)
SelectObject(pdcDIB, hbmpDIB);
}
BOOL CreateHGLRC()
{
DWORD dwFlags = PFD_SUPPORT_OPENGL | PFD_DRAW_TO_BITMAP;
PIXELFORMATDESCRIPTOR pfd ;
memset(&pfd,0, sizeof(PIXELFORMATDESCRIPTOR)) ;
pfd.nSize = size...
Psql list all tables
...This is where the INFORMATION_SCHEMA comes to the rescue. To list tables:
SELECT table_name FROM information_schema.tables WHERE table_schema = 'public';
BTW, if you ever want to see what psql is doing in response to a backslash command, run psql with the -E flag. eg:
$ psql -E regress
regre...
Android: TextView automatically truncate and replace last 3 char of String
...d:inputType="text" . What I need now is something that replaces the last 3 characters of my String with " ... ". Since I'm not using a monospace font this will always be different depending on the letters used in my String . So I'm wondering what's the best way to get the last 3 characters of a S...