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C# Object Pooling Pattern implementation
...new() constraint works too, but this is more flexible.
Of the other two parameters, the access strategy is the more complicated beast, so my approach was to use an inheritance (interface) based approach:
public class Pool<T> : IDisposable
{
// Other code - we'll come back to this
...
Return anonymous type results?
...reed> tdog in dogs)
{
Console.WriteLine("Dog {0} {1}", tdog.param1.Name, tdog.param2.BreedName);
}
}
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How to execute a JavaScript function when I have its name as a string
...ction.
First, I have simplified the first statement by supplying a second parameter to slice(). The original version was working fine in all browsers except IE.
Second, I have replaced this with context in the return statement; otherwise, this was always pointing to window when the target function...
Does static constexpr variable inside a function make sense?
...offset = 3;
// This function will print name, value and address for given parameter
void print_properties(std::string ref_name, const short* param, short offset)
{
// determine initial size of strings
std::string title = "value \\ address of ";
const size_t ref_size = ref_name.size();
...
What is the easiest way to duplicate an activerecord record?
...Controller < ActionController
def some_method
my_post = Post.find(params[:id])
new_post = my_post.dup
new_post.save
end
end
You can also control which fields get copied in numerous ways, but for example, if you wanted to prevent comments from being duplicated but you wanted to m...
Which CheckedListBox event triggers after a item is checked?
...ing the event before value is checked with new value and index supplied as parameters. Whoever wants the "after change" event, they can simply use the above. If suggest something to the Microsoft then suggest a new event ItemChecked, not changing of existing one:see diimdeep's answer
...
How to test my servlet using JUnit
...
You can do this using Mockito to have the mock return the correct params, verify they were indeed called (optionally specify number of times), write the 'result' and verify it's correct.
import static org.junit.Assert.*;
import static org.mockito.Mockito.*;
import java.io.*;
import javax.s...
Creating a temporary directory in Windows?
...s the directory if it does not exist.
/// </summary>
/// <param name="directoryPath">The directory path.</param>
/// <returns>Returns false if directory already exists. Exceptions for any other errors</returns>
/// <exception cref="System.ComponentMod...
How to delete a file or folder?
...havior as the POSIX rm -f command).
Changed in version 3.8: The missing_ok parameter was added.
Best practice
First, check whether the file or folder exists or not then only delete that file. This can be achieved in two ways :
a. os.path.isfile("/path/to/file")
b. Use exception handling.
EXAMPLE ...
error, string or binary data would be truncated when trying to insert
...d-linq-exception-cant-find-which-fiel
/// </summary>
/// <param name="context"></param>
/// <returns></returns>
static string GetSqlTruncationExceptionWithDetailsString(DataContext context)
{
StringBuilder sb = new StringBuilder();
f...