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Java code To convert byte to Hexadecimal
...ral answers here uses Integer.toHexString(int); this is doable, but with some caveats. Since the parameter is an int, a widening primitive conversion is performed to the byte argument, which involves sign extension.
byte b = -1;
System.out.println(Integer.toHexString(b));
// prints "fff...
When should the volatile keyword be used in C#?
...h problems does it solve and which it doesn't? In which cases will it save me the use of locking?
10 Answers
...
GUI not working after rewriting to MVC
I'm practicing MVC style programming. I have a Mastermind game in a single file, working fine (maybe apart of the fact that "Check" button is invisible at start).
...
Difference between git pull and git pull --rebase
I started using git sometime back and do not fully understand the intricacies. My basic question here is to find out the difference between a git pull and git pull --rebase , since adding the --rebase option does not seem to do something very different : just does a pull.
...
What does it mean to “program to an interface”?
I have seen this mentioned a few times and I am not clear on what it means. When and why would you do this?
32 Answers
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Do NSUserDefaults persist through an Update to an app in the Appstore?
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Is there somewhere in the Apple documentation this is mentioned?
– Nick Cartwright
Oct 28 '09 at 17:25
1
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Is there a CSS selector by class prefix?
I want to apply a CSS rule to any element whose one of the classes matches specified prefix.
4 Answers
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Insert/Update Many to Many Entity Framework . How do I do it?
...sing (var context = new YourContext())
{
var mathClass = new Class { Name = "Math" };
mathClass.Students.Add(new Student { Name = "Alice" });
mathClass.Students.Add(new Student { Name = "Bob" });
context.AddToClasses(mathClass);
context.SaveChanges();
}
This will create an ent...
How do I log ALL exceptions globally for a C# MVC4 WebAPI app?
...ion)
{
throw new HttpResponseException(new HttpResponseMessage(HttpStatusCode.InternalServerError)
{
Content = new StringContent(context.Exception.Message),
ReasonPhrase = "Exception"
});
}
//Log Critical er...
Given an RGB value, how do I create a tint (or shade)?
...hading) should be done in linear RGB. However, RGB colors specified in documents or encoded in images and video are not likely to be in linear RGB, in which case a so-called inverse transfer function needs to be applied to each of the RGB color's components. This function varies with the RGB color s...