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Why are hexadecimal numbers prefixed with 0x?
...h is nicely divisible by 3 = log2(8).
The BCPL language used the syntax 8 1234 for octal numbers. When Ken Thompson created B from BCPL, he used the 0 prefix instead. This is great because
an integer constant now always consists of a single token,
the parser can still tell right away it's got a c...
What's the best way to convert a number to a string in JavaScript? [closed]
...re are cases where the conversion may not return a preferable answer: '' + 123e-50 returns "1.23e-48".
– hongymagic
Oct 30 '13 at 6:35
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How can I get the current page's full URL on a Windows/IIS server?
...dited Mar 11 '14 at 0:20
hichris123
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answered Oct 9 '08 at 20:42
...
Leading zeros for Int in Swift
...ters.count)
return padding + self
}
}
Usage:
let s = String(123)
s.leftPadding(toLength: 8, withPad: "0") // "00000123"
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How to scp in Python?
What's the most pythonic way to scp a file in Python? The only route I'm aware of is
14 Answers
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gdb fails with “Unable to find Mach task port for process-id” error
...
In Snow Leopard and later Mac OS versions, it isn't enough to codesign the gdb executable.
You have to follow this guide to make it work: http://www.opensource.apple.com/source/lldb/lldb-69/docs/code-signing.txt
The guide explains how to do it for lldb,...
Java - How to create new Entry (key, value)
...y<String, Object> entry = new MyEntry<String, Object>("Hello", 123);
System.out.println(entry.getKey());
System.out.println(entry.getValue());
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stop all instances of node.js server
... /f (force) parameter to the command.
Linux machine:
The process is almost identical. You could either kill all Node processes running on the machine (use -$SIGNAL if SIGKILL is insufficient):
killall node
Or also using netstat, you can find the PID of a process listening on a port:
$ netsta...
How do I return multiple values from a function in C?
...
123
I don't know what your string is, but I'm going to assume that it manages its own memory.
You...
Convert array of strings to List
...ystem.Linq;
// ...
public void My()
{
var myArray = new[] { "abc", "123", "zyx" };
List<string> myList = myArray.ToList();
}
PS. There's also ToArray() method that works in other way.
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