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Size of Matrix OpenCV
..., may be helpful for the beginners
#include <iostream>
#include <string>
#include "opencv/highgui.h"
using namespace std;
using namespace cv;
int main()
{
cv:Mat M(102,201,CV_8UC1);
int rows = M.rows;
int cols = M.cols;
cout<<rows<<" "<<cols<<e...
How to handle multiple heterogeneous inputs with Logstash?
...? And then again, in the if statememt, if the tags were an array or single string, then both IF's would work. So logically this is incorrect, but maybe logstash has a different logic inside if's
– meso_2600
Oct 28 '18 at 18:06
...
Value Change Listener to JTextField
... private static final long serialVersionUID = 1L;
public static final String TEXT_PROPERTY = "text";
public CoolJTextField() {
this(0);
}
public CoolJTextField(int nbColumns) {
super("", nbColumns);
this.setDocument(new MyDocument());
}
@SuppressWa...
What does SynchronizationContext do?
...t, in a Winforms app:
ThreadPool.QueueUserWorkItem(delegate {
string text = File.ReadAllText(@"c:\temp\log.txt");
myTextBox.BeginInvoke(new Action(() => {
myTextBox.Text = text;
}));
});
Which has the advantage that it works when called from any thre...
What does “coalgebra” mean in the context of programming?
...y and setPosition function:
class C
private
x, y : Int
_name : String
public
name : String
position : (Int, Int)
setPosition : (Int, Int) → C
We need two parts to represent this class. First, we need to represent the internal state of the object; in this case ...
Getting Http Status code number (200, 301, 404, etc.) from HttpWebRequest and HttpWebResponse
...nsole.WriteLine("Response Code: " + (int)statusCode + " - " + statusCode.ToString());
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How can I get Maven to stop attempting to check for updates for artifacts from a certain group from
...pshots should be disabled anyways so I looked further and noticed that the extra repository that I added to my settings.xml was causing the problem actually. Adding the snapshots section to this repository in my settings.xml did the trick!
<repository>
<id>jboss</id>
<n...
Can I change the Android startActivity() transition animation?
...class. You don't need to create something else (No XML, no anim folder, no extra function).
overridePendingTransition(R.anim.abc_fade_in,R.anim.abc_fade_out);
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What is the reason behind “non-static method cannot be referenced from a static context”? [duplicate
...e the data. Together, they form an object.
public class Foo
{
private String foo;
public Foo(String foo){ this.foo = foo; }
public getFoo(){ return this.foo; }
public static void main(String[] args){
System.out.println( getFoo() );
}
}
What could possibly be the resul...
Using Linq to get the last N elements of a collection?
...d as an extension method, you aren't required to use it that way:
List<string> mystring = new List<string>() { "one", "two", "three" };
mystring = Enumerable.Reverse(mystring).Take(2).Reverse().ToList();
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