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Converting an integer to a hexadecimal string in Ruby
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sorry about that copy paste mistake of course to_s on string doesn't take arguments but on Fixnum it does :)
– Jean
Sep 17 '08 at 15:46
3
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Set operations (union, intersection) on Swift array?
...let array1 = ["a", "b", "c"]
let array2 = ["a", "b", "d"]
let set1:Set<String> = Set(array1)
let set2:Set<String> = Set(array2)
Swift 3.0+ can do operations on sets as:
firstSet.union(secondSet)// Union of two sets
firstSet.intersection(secondSet)// Intersection of two sets
firstSet....
What is the difference between URI, URL and URN? [duplicate]
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Uniform Resource Identifier (URI) is a string of characters used to identify a name or a resource on the Internet
A URI identifies a resource either by location, or a name, or both. A URI has two specializations known as URL and URN.
A Uniform Resource Locator (...
How can one close HTML tags in Vim quickly?
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I have installed this. It doesn't completed close tag automatically.What is the shortkey? I try Ctrl-_, but this make small font of my terminal.
– alhelal
Apr 3 '18 at 1:25
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Is Safari on iOS 6 caching $.ajax results?
...S 6, we are seeing Safari's web view take the liberty of caching $.ajax calls. This is in the context of a PhoneGap application so it is using the Safari WebView. Our $.ajax calls are POST methods and we have cache set to false {cache:false} , but still this is happening. We tried manually ad...
What is the equivalent of “!=” in Excel VBA?
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Just a note. If you want to compare a string with "" ,in your case, use
If LEN(str) > 0 Then
or even just
If LEN(str) Then
instead.
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Read stream twice
...you can do like this:
public class StreamTest {
public static void main(String[] args) throws IOException {
byte[] bytes = new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9 };
InputStream originalStream = new ByteArrayInputStream(bytes);
byte[] readBytes = getBytes(originalStream, 3);
prin...
Testing if object is of generic type in C#
...type.BaseType;
}
return false;
}
static void Main(string[] args)
{
// True
Console.WriteLine(IsInstanceOfGenericType(typeof(List<>),
new List<string>()));
// False
Console.Write...
Which is better, return “ModelAndView” or “String” on spring3 controller
...troller in pre-Spring 2.0. Now you can combine the Model parameter and the String return value, but the old approach is still valid.
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Python how to write to a binary file?
...eorder='big'))
I.e., each single call to to_bytes in this case creates a string of length 1, with its characters arranged in big-endian order (which is trivial for length-1 strings), which represents the integer value byte. You can also shorten the last two lines into a single one:
newFile.write(...