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Dynamically generating a QR code with PHP [closed]
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but how to convert it into mvc standard any ideas !!!!
– saurabh kamble
Jun 19 '14 at 10:52
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Rounding up to next power of 2
... for a 32-bit value:
Round up to the next highest power of 2
unsigned int v; // compute the next highest power of 2 of 32-bit v
v--;
v |= v >> 1;
v |= v >> 2;
v |= v >> 4;
v |= v >> 8;
v |= v >> 16;
v++;
The extension to other widths should be obvious.
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How to get a Fragment to remove itself, i.e. its equivalent of finish()?
I'm converting an app to use fragments using the compatibility library.
Now currently I have a number of activities (A B C D) which chain onto one another, D has a button 'OK' which when pressed calls finish which then bubbles up through onActivityResult() to additionally destroy C and B.
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How can I check if multiplying two numbers in Java will cause an overflow?
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Java 8 has Math.multiplyExact, Math.addExact etc. for ints and long. These throw an unchecked ArithmeticException on overflow.
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Function overloading in Javascript - Best practices
...ring p1) {return p1;}
public string CatStrings(string p1, int p2) {return p1+p2.ToString();}
public string CatStrings(string p1, int p2, bool p3) {return p1+p2.ToString()+p3.ToString();}
CatStrings("one"); // result = one
CatStrings("one",2); // result = one2
C...
ASP.NET Identity reset password
... I assume It's asking for the user ID so it can enter the reset token into the Identity Database against that user ID. If it didn't do this how would the framework ever know if the token was valid. You should be able to pull the users ID using User.Identity.GetUserId() or similar.
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Insert the carriage return character in vim
...s command, you must precede it with a backslash or else vim (7.1.314) will convert it to the end of line character appropriate for your fileformat setting. ie enter :s/.../\^V^M/g.
– DerfK
Mar 9 '11 at 23:17
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How to throw std::exceptions with variable messages?
... }
operator std::string () const { return stream_.str(); }
enum ConvertToString
{
to_str
};
std::string operator >> (ConvertToString) { return stream_.str(); }
private:
std::stringstream stream_;
Formatter(const Formatter &);
Formatter & op...
How to create a custom attribute in C#
...that you understand what attributes are:
Attributes are metadata compiled into your program. Attributes themselves do not add any functionality to a class, property or module - just data. However, using reflection, one can leverage those attributes in order to create functionality.
So, for instanc...
Is it better to use Enumerable.Empty() as opposed to new List() to initialize an IEnumerable
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I think most postings missed the main point. Even if you use empty array or empty list, those are objects and they are stored in memory. Than Garbage Collector has to take care of them. If you are dealing with high throughput application, it could be noticeable imp...