[Solved] Why an object is removed after using removeAll method

Because you called a1.removeAll(a2) perhaps? http://docs.oracle.com/javase/7/docs/api/java/util/List.html#removeAll%28java.util.Collection%29 Removes from this list all of its elements that are contained in the specified collection (optional operation). So, in other words, every element that’s in a2 and also in a1 will be removed from a1. 2 solved Why an object is removed after using removeAll method

[Solved] Regexp in express get request

You don’t need a regex for this, you can use URL parameters. app.get(‘/foo/bar/:slug’, function(req, res, next) { console.log(req.params.slug); next(); } ); Requesting /foo/bar/myImage.jpg would populate req.params.slug with ‘myImage.jpg’. 2 solved Regexp in express get request

[Solved] Printing characters from a string occurring in another string [closed]

You can use the code similar to this which gives the required output public class ProgramOnStrings { public static void main(String[] args) { // TODO Auto-generated method stub Compare cobj=new Compare(); cobj.compareStrings(); } } class Compare { String s1=”helloworld”; String s2=”hord”; int array[]; String small,big; Compare() { if(s1.length()<s2.length()) { small=s1; big=s2; array=new int[small.length()]; } else … Read more

[Solved] Calculating percentages value of edittext in android

Suppose service_tax_et and penalty_et are new editTexts, don’t add them to the array instead set focusChangeListener on them manually and then try like this: private View.OnFocusChangeListener mFocusChangeListener = new View.OnFocusChangeListener() { @Override public void onFocusChange(View v, boolean hasFocus) { float total = 0; for (int i=0 ; i<editTexts.length-1 ; i++) { try { total += … Read more

[Solved] laravel/framework 9.x-dev requires php ^8.0 -> your PHP version (7.4.13) does not satisfy that requirement [closed]

Composer is telling you what is wrong. It wants PHP8 and you offer php7.4, so it doesnt install. From the comments it also says that laravel 9 is in development. As you’re stuggling with this, I dont recommend using that version and go one back, using 8. What I recommend doing (and what I’ve been … Read more

[Solved] How to get rid of hidden space HTML/CSS [closed]

This happens because you use position:relative on the #previous and #next elements. Like this they are repositioned but still use up the space they would originally occupy. Use the following css instead: .block-wapper { position:relative; … } #previous { position: absolute; left: 10px; … } #next { position: absolute; right: 10px; … } 4 solved … Read more

[Solved] Take value from array which is in array [duplicate]

That’s a simple array containing another array so you can simply specify multiple indexes for included array: $mc_name = $_GET[‘identifiers’][‘mc’][‘nick’]; To better understand how it works think of it like assigning each array first to a variable like: $identifiers = $_GET[‘identifiers’]; $mc_array = $identifiers[‘mc’]; $mc_name = $mc_array[‘nick’]; which will essentially do the same thing at … Read more

[Solved] Check if dynamically created element has class

Are you adding the element to the DOM after the page is ready? If you so, you can just check if the element has the class as you described in your question. However, if the element is being added before the DOM is ready, simply do this: $(document).ready(function () { if($(‘.list li’).hasClass(‘aDynamicallyGeneratedClass’)){ //Then do this … Read more

[Solved] i want to save my Html table data in mysql table in php [closed]

Time to study. PHP With PDO (here you can work with databases using PHP): http://php.net/manual/pt_BR/book.pdo.php Use a POST form to save the data. You need to put each td value inside of a input. http://www.html-form-guide.com/php-form/php-form-post.html You need to create a database (http://dev.mysql.com/doc/refman/5.5/en/create-database.html) and a table (http://dev.mysql.com/doc/refman/5.1/en/create-table.html). And finally insert command, to add the values inside … Read more

[Solved] Calling the methods in java

Your Draw class extends the android class View. You are adding a view to your layout in the onCreateMethod(): linearLayout.addView(draw); Android will call the onDraw() method in the draw object when the view is rendering. 2 solved Calling the methods in java

[Solved] 1D array passed to function as 2D array

template<size_t stride, class T, size_t N, size_t count = N/stride> std::array<T*, count> make_2d( T(&raw)[N] ) { std::array<T*, count> retval; for (size_t i = 0; i < count; ++i) retval[i] = raw + i*stride; return retval; } this will return a array of pointers to the lower dimensions To call func2, simply do: func2( 10, make_2d<10>(arr).data() … Read more