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Handling the window closing event with WPF / MVVM Light Toolkit
...constructor:
MyWindow()
{
// Set up ViewModel, assign to DataContext etc.
Closing += viewModel.OnWindowClosing;
}
Then add the handler to the ViewModel:
using System.ComponentModel;
public void OnWindowClosing(object sender, CancelEventArgs e)
{
// Handle closing logic, set e.Cance...
Makefiles with source files in different directories
...nal way is to have a Makefile in each of the subdirectories (part1, part2, etc.) allowing you to build them independently. Further, have a Makefile in the root directory of the project which builds everything. The "root" Makefile would look something like the following:
all:
+$(MAKE) -C part1...
Is Java really slow?
...y optimized code written in a ahead-of-time compiled language (C, Fortran, etc.) can beat it; however, Java can be more than 10x as fast as PHP, Ruby, Python, etc. There are specific areas where it can beat common compiled languages (if they use standard libraries).
There is no excuse for "slow" Ja...
Does Django scale? [closed]
...mance improvements, ordinary database design and implementation (indexing, etc.), ordinary firewall performance improvements, etc.
What we do measure is our load test laptops struggling under the insane workload of 15 processes running 16 concurrent threads of requests.
...
Differences between Ant and Maven [closed]
...tory", "Put the results in target/classses", "Create a JAR from the ....", etc. Where Ant had to be explicit about the process, there was something "built-in" to Maven that just knew where the source code was and how it should be processed.
High-level Comparison
The differences between Ant and Ma...
How to detect Ctrl+V, Ctrl+C using JavaScript?
...
With jquery you can easy detect copy, paste, etc by binding the function:
$("#textA").bind('copy', function() {
$('span').text('copy behaviour detected!')
});
$("#textA").bind('paste', function() {
$('span').text('paste behaviour detected!')
});
$("#textA").b...
Is the sizeof(some pointer) always equal to four?
...often a different size to normal pointers and also vary by platform, type, etc. Other than that +1.
– John5342
May 30 '13 at 12:59
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show 18...
How do you add swap to an EC2 instance?
...something higher.
To enable it by default after reboot, add this line to /etc/fstab:
/var/swap.1 swap swap defaults 0 0
share
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foll...
Is there any standard for JSON API response format?
...). Define a uniform structure for errors (ex: code, message, reason, type, etc) and use it for errors, if it is a success then just return the expected json response.
Pros: Still standard as you use the existing HTTP status codes and you return a json describing the error (you provide more informa...
What is a plain English explanation of “Big O” notation?
... have polynomial complexity or is solvable in polynomial time.
O(n), O(n2) etc. are all polynomial time. Some problems cannot be solved in polynomial time. Certain things are used in the world because of this. Public Key Cryptography is a prime example. It is computationally hard to find two prime f...