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Handling the window closing event with WPF / MVVM Light Toolkit
...cept complexity by using a more elaborate pattern with more indirection (5 extra lines of XAML plus Command pattern).
The "zero code-behind" mantra is not the goal in itself, the point is to decouple ViewModel from the View. Even when the event is bound in code-behind of the View, the ViewModel do...
Remove the last line from a file in Bash
...ith the extension provided as a parameter. Since the parameter is an empty string, no backup file is created. -e tells sed to execute a command. The command $ d means: find the last line ($) and delete it (d).
– Krzysztof Szafranek
Mar 3 '19 at 14:05
...
Designing function f(f(n)) == -n
...oof of why such a function can't exist, for all numbers, if it doesn't use extra information(except 32bits of int):
We must have f(0) = 0. (Proof: Suppose f(0) = x. Then f(x) = f(f(0)) = -0 = 0. Now, -x = f(f(x)) = f(0) = x, which means that x = 0.)
Further, for any x and y, suppose f(x) = y. We w...
Using Build Flavors - Structuring source folders and build.gradle correctly
... applicationId "zuul.com.android.devel"
buildConfigField 'String', 'HOST', '"http://192.168.1.34:3000"'
}
prod {
applicationId "zuul.com.android"
buildConfigField 'String', 'HOST', '"http://api.zuul.com"'
}
}
}
As an exampl...
Easily measure elapsed time
...easuring mechanism and have each callable's run time measured with minimal extra code, just by being called through a timer structure. Plus, at compile time you can parametrize the timing type (milliseconds, nanoseconds etc).
Thanks to the review by Loki Astari and the suggestion to use variadic t...
Jenkins Git Plugin: How to build specific tag?
...all. For now, however, this solution is working for us, we just remove the extra Refspec after the job succeeds.
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Recommended way to get hostname in Java
...g the file would be better, though).
The code:
public static void main(String[] args) throws IOException {
String os = System.getProperty("os.name").toLowerCase();
if (os.contains("win")) {
System.out.println("Windows computer name through env:\"" + System.getenv("COMPUTERNAME")...
What does the question mark in Java generics' type parameter mean?
...tract subclasses, but also sub-interfaces: List<? extends Collection<String>> list = new ArrayList<List<String>>();.
– Mark Peters
Jun 10 '10 at 15:08
...
What's the difference between Task.Start/Wait and Async/Await?
...he calling thread will not block and continue executing.
static void Main(string[] args)
{
WriteOutput("Program Begin");
// DoAsTask();
DoAsAsync();
WriteOutput("Program End");
Console.ReadLine();
}
static void DoAsTask()
{
WriteOutput("1 - Starting");
var t = Task.Fact...
Div width 100% minus fixed amount of pixels
... it is as outlined by Guffa, nested elements. It's a bit sad having to add extra markup to get the hooks you need for this, but in practice a wrapper div here or there isn't going to hurt anyone.
If you must do it without extra elements (eg. when you don't have control of the page markup), you can ...