If your fields are final, they must be set either on declaration or in the constructor. Once set, the compiler will throw an error when set again, because final variables are not allowed to be re-assigned. 2 solved Using a final variable in java and its implications on methods
As you have a 2-d array, you have two length values for each loop: //you have this? array[][]; for(int i = 0; i < array.length; ++i) { for(int j = 0; j < array[i].length; ++j) { //do something on array[i][j] } } solved Using two for loops to loop through a 2D array in java
The simplest thing would be to use PCA to reduce the dimensionality of your data to 2 or 3 dimensions. k-means clustering ought to assign a group to each row of your data so you can easily plot the different groups on the reduced dataset. Here’s a simple way to do PCA though you could … Read more
You have a couple of typos in your imports. I think you mean: import Data.List import System.IO primeNumbers = [3,5,7,11] morePrime = primeNumbers ++ [13,17,19] i.e. Data.list should be Data.List and Syste.IO should be System.IO. 3 solved I cannot execute my Haskell code [closed]
The code loops through word with a step size of 3 and groups every 3 consecutive words. Let’s say word = [1, 2, 3, 4, 5, 6, 7, 8, 9] Over the course of the loop, i will be = 0, 3, 6 To grid, you append word[0:3],word[3:6],word[6:9] So grid will have in it [[1,2,3],[4,5,6],[7,8,9]] … Read more
is this what you are looking for? foreach([100, 500, 543, 1000, 5000, 51000, 500000] as $my_friends) echo ‘5 in ‘. getScoreOf($my_friends) . “<br>”; function getScoreOf($my_friends){ $of = 5; $total = 5e5; //that’s 500,000 😉 $step = 100; //minimum step, so output is not “4604” but “4600” $out_of = $total / $my_friends * $of; return $out_of … Read more
There are good software like Acunetix which can do a pretty well job. Basically it tests common hacking technics like sql injection and cross scripting, then generating a report of the issues if there are any. But is quite expensive. solved What is the best way to test a node.js web server for security issues? … Read more
As you can already find in the other answer, the bar is called the debug bar. You will not find this in the twig templates. Instead you can remove it by disabling it in your configuration. This setting is in app/config/config_dev.yml: web_profiler: toolbar: true intercept_redirects: false solved Symfony2 default installation keeps on adding a footer … Read more
To accomplish what you want, globally declare an integer with a value 0. And inside onClick of button increment the value of integer and set that as text to button. Sample Code: Globally declare: int count = 0; Inside onCreate(): button.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { count++; button.setText(“”+count); } }); 8 solved … Read more
I would add a common class to all divs and wrap them in a div. Try: var len = $(“#container”).find(“.section”).length; setInterval(function(){ var current = $(“.section:visible”); var active = $(current).index(); var next; if(active == len-1){ next = 0; } else{ next = active+1; } $(current).hide(); $(“#container .section:eq(“+next+”)”).fadeIn(); },1000); DEMO here. 4 solved I need to fadein … Read more
as noted it is a bit vague, but you are also JOINING the tables upside down, as I cannot see the [race ID] being listed in the [runners] table, that would mean you have runners duplicated and the results would not correlate to the runners as there is no relation. I might also be way … Read more
you can select it with #id selector and delete its value try this: $(document).ready(function(){ $(‘#wp-submit’).val(”); }); solved Remove input value [closed]
Try this: $(“html, body”).animate({scrollTop: $(“body”).height()*0.2},2000); 1 solved How to scroll at 20% of the html page? [closed]
try this DateTime add_Months = Convert.ToDateTime(textbox1.Text).AddMonths(10); textbox2.Text = add_Months.ToString(); solved Add 10 months automatically to textbox2 based on user selected date in textbox1 [closed]
When I run the example code you provided, the application will run. That is to say, the ball (*) will move around the screen. Are you expecting the ball to move on the screen, and the paddle to be drawn and move when an arrow is pressed? If so, you should look at how you … Read more