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Create an array with random values
How can I create an array with 40 elements, with random values from 0 to 39 ?
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21 Answers
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How to use Session attributes in Spring-mvc
... attribute to session:
@RequestMapping(method = RequestMethod.GET)
public String testMestod(HttpServletRequest request){
ShoppingCart cart = (ShoppingCart)request.getSession().setAttribute("cart",value);
return "testJsp";
}
and you can get it from controller like this :
ShoppingCart cart =...
Python - When to use file vs open
What's the difference between file and open in Python? When should I use which one? (Say I'm in 2.5)
6 Answers
...
Sort a Map by values
...e a TreeMap as follows:
public class Testing {
public static void main(String[] args) {
HashMap<String, Double> map = new HashMap<String, Double>();
ValueComparator bvc = new ValueComparator(map);
TreeMap<String, Double> sorted_map = new TreeMap<Strin...
Converting String array to java.util.List
How do I convert a String array to a java.util.List ?
6 Answers
6
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How do I make an HTTP request in Swift?
...onDataTask from URLSession. Then run the task with resume().
let url = URL(string: "http://www.stackoverflow.com")!
let task = URLSession.shared.dataTask(with: url) {(data, response, error) in
guard let data = data else { return }
print(String(data: data, encoding: .utf8)!)
}
task.resume()...
What does $NON-NLS-1$ mean?
...
They silence a warning that Eclipse emits when it encounters string literals (and has been configured to complain).
The idea is that UI messages should not be embedded as string literals, but rather sourced from a resource file (so that they can be translated, proofed, etc). Consequen...
Right way to initialize an OrderedDict using its constructor such that it retains order of initial d
...e anything. There's no difference between OrderedDict([(i,i) for i in l]) and OrderedDict([('b', 'b'), ('a', 'a'), ('c', 'c'), ('aa', 'aa')]). The list comprehension is evaluated and creates the list and it is passed in; OrderedDict knows nothing about how it was created.
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How to get relative path from absolute path
...ption cref="InvalidOperationException"></exception>
public static String MakeRelativePath(String fromPath, String toPath)
{
if (String.IsNullOrEmpty(fromPath)) throw new ArgumentNullException("fromPath");
if (String.IsNullOrEmpty(toPath)) throw new ArgumentNullException("toPath");...
How do I get the current line number?
...eMethodSomewhere()
{
ShowMessage("Boo");
}
...
static void ShowMessage(string message,
[CallerLineNumber] int lineNumber = 0,
[CallerMemberName] string caller = null)
{
MessageBox.Show(message + " at line " + lineNumber + " (" + caller + ")");
}
This will display, for example:
Boo...