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Java Round up Any Number
...way to do this is just:
You will receive a float or double and want it to convert it to the closest round up then just do System.out.println((int)Math.ceil(yourfloat));
it'll work perfectly
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How to print (using cout) a number in binary form?
...llowing a college course about operating systems and we're learning how to convert from binary to hexadecimal, decimal to hexadecimal, etc. and today we just learned how signed/unsigned numbers are stored in memory using the two's complement (~number + 1).
...
How do I grant myself admin access to a local SQL Server instance?
...n your machine, this blog post can help you use SQLCMD to get your account into the SQL Server sysadmin group without having to reinstall. It's a bit of a security hole in SQL Server, if you ask me, but it'll help you out in this case.
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How to use R's ellipsis feature when writing your own function?
...
You can convert the ellipsis into a list with list(), and then perform your operations on it:
> test.func <- function(...) { lapply(list(...), class) }
> test.func(a="b", b=1)
$a
[1] "character"
$b
[1] "numeric"
So your ...
LINQPad [extension] methods [closed]
...g() used, please follow this link at Stackoverflow - it also allows you to convert it back if needed):
System.Security.SecureString GetPasswordSecure(string Name, bool noDefaultSave=true)
{
return Util.GetPassword(Name, noDefaultSave).ToSecureString();
}
Util.Cmd
This method works like a c...
Array.Copy vs Buffer.BlockCopy
...hen you're provided with an array of primitives (say, shorts), and need to convert it to an array of bytes (say, for transmission over a network). I use this method frequently when dealing with audio from the Silverlight AudioSink. It provides the sample as a short[] array, but you need to convert...
Why does string::compare return an int?
... Similarly, if I write a < 0, the comparison is done
on the value of a, converted to an int. In practice, there
are very few cases where this makes a difference, at least on
2's complements machines where integer arithmetic wraps (i.e.
all but a very few exotics, today—I think the Unisys
mainf...
Does Java casting introduce overhead? Why?
...ception.
Taken from JavaWorld: The cost of casting
Casting is used to convert between
types -- between reference types in
particular, for the type of casting
operation in which we're interested
here.
Upcast operations (also called
widening conversions in the Java
Language Spec...
An item with the same key has already been added
...e
foreach (var item in myObject)
{
myDictionary.Add(Convert.ToString(item.x),
item.y);
}
item.x had a duplicate value
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Why does the Scala compiler disallow overloaded methods with default arguments?
...lly I added an implicit conversion to the class in one case which did just convert the alternative type to the type accepted. It just feels ugly. And the approach with the default args should just work!
– soc
Jan 10 '11 at 22:52
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