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What is a Windows Handle?
...ust made up, and assume that Widget is a struct.
Widget * GetWidget (std::string name)
{
Widget *w;
w = findWidget(name);
return w;
}
void * GetWidget (std::string name)
{
Widget *w;
w = findWidget(name);
return reinterpret_cast<void *>(w);
}
typedef void * HAN...
How to generate random number with the specific length in python
...
If you want it as a string (for example, a 10-digit phone number) you can use this:
n = 10
''.join(["{}".format(randint(0, 9)) for num in range(0, n)])
share
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How to quickly check if folder is empty (.NET)?
...EnumerateFileSystemEntries method overloads
public bool IsDirectoryEmpty(string path)
{
IEnumerable<string> items = Directory.EnumerateFileSystemEntries(path);
using (IEnumerator<string> en = items.GetEnumerator())
{
return !en.MoveNext();
}
}
EDIT: seeing t...
Associating enums with strings in C#
... example for a Logger:
public class LogCategory
{
private LogCategory(string value) { Value = value; }
public string Value { get; set; }
public static LogCategory Trace { get { return new LogCategory("Trace"); } }
public static LogCategory Debug { get { return new LogCategory(...
Echo equivalent in PowerShell for script testing
...
You also want to get familiar with Out-String, because with any non-trivial object, you'll need to use that to convert the object to a display-able string before using any of those three Write-* cmdlets.
– Jaykul
Nov 2 '09 at...
Convert java.util.Date to String
I want to convert a java.util.Date object to a String in Java.
18 Answers
18
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How do I join two lists in Java?
...
In Java 8:
List<String> newList = Stream.concat(listOne.stream(), listTwo.stream())
.collect(Collectors.toList());
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Is there an alternative to string.Replace that is case-insensitive?
I need to search a string and replace all occurrences of %FirstName% and %PolicyAmount% with a value pulled from a database. The problem is the capitalization of FirstName varies. That prevents me from using the String.Replace() method. I've seen web pages on the subject that suggest
...
Getter and Setter declaration in .NET [duplicate]
...es are used to encapsulate some data. You could use a plain field:
public string MyField
But this field can be accessed by all outside users of your class. People can insert illegal values or change the value in ways you didn't expect.
By using a property, you can encapsulate the way your data i...
How to play with Control.Monad.Writer in haskell?
...sk for its type:
ghci> :t logNumber
logNumber :: (Show a, MonadWriter [String] m) => a -> m a
Which tells me that the inferred type is not a function that returns a particular writer, but rather anything that implements the MonadWriter type class. I can now use it:
ghci> let multWith...