[Solved] How to select n numbers from n sets of different size?

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You can use cartesian product on sets in Java by the use of com.google.common.collect.Sets. FOR EXAMPLE Set<Integer> s1=new HashSet<Integer>(); s1.add(1);s1.add(4);s1.add(5); Set<Integer> s2=new HashSet<Integer>(); s2.add(2);s2.add(3);s2.add(6); Set<Integer> s3=new HashSet<Integer>(); s3.add(7);s3.add(8);s3.add(8); Set<List<Integer>> set=Sets.cartesianProduct(s1,s2,s3); //Give type safety warning for(List<Integer> l:set){ System.out.println(l); } OUTPUT [1, 2, 7] [1, 2, 8] [1, 3, 7] [1, 3, 8] …. NOTE If you … Read more

[Solved] PHP code always shows wrong result

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$result will never be null. You need to check for something like number of rows – $row_cnt = mysqli_num_rows($result); If that is greater than 0, then go to your else. 9 solved PHP code always shows wrong result

[Solved] Parse error: syntax error, unexpected T_CONSTANT_ENCAPSED_STRING, expecting ‘)’ [closed]

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You need to escape a character, the backslash, in your array – $list = array( ‘$’, ‘\\’, ‘”‘, ‘_REQUEST’, ‘_GET’, ‘_POST’, ‘_COOKIE’, ‘_FILES’, ‘_SERVER’, ‘_ENV’, ‘GLOBALS’, ‘_SESSION’, ‘toupper’ ); And you only need the backslash once in the array. 3 solved Parse error: syntax error, unexpected T_CONSTANT_ENCAPSED_STRING, expecting ‘)’ [closed]

[Solved] How can make white line effect on image [closed]

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You can try after or before Pseudo Elements to make this. [Demo] .pillar:after, .pillar:before { position: absolute; content: ”; height: 350px; width: 64px; top: 16px; left: 70px; background-image: url(http://www.indonesia.travel/public/media/images/upload/poi/Danau%20Segara%20Anak%20-%20Gallery.jpg); } 3 solved How can make white line effect on image [closed]

[Solved] How can I make this work? (C)

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if (moduleChoice == 1, gradeTestMain()); should be changed to if (moduleChoice == 1) gradeTestMain(); Likewise for other ifs. You need to close brackets – otherwise it means if (moduleChoice == 1, gradeTestMain()); which means if (moduleChoice == 1, gradeTestMain()) { ; } which means. evaluate moduleChoice == 1, throw away the result, then evalutate gradeTestMain(). … Read more

[Solved] How can I convert this from jQuery to standard javascript?

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You can use Element.classList the live demo function addfunction(){ link.forEach( function(e){ e.classList.remove(‘selected’); }); this.classList.add(‘selected’); } var link = [].slice.call(document.querySelectorAll(“form img”)); link.forEach(function(e){ e.addEventListener(“click”,addfunction,false); }); 6 solved How can I convert this from jQuery to standard javascript?

[Solved] Syntax error on token “else”, delete this token [closed]

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your code is missing braces ( that’s these: {} BTW). It’s ok if your if statement involves only a single line, however i’d advise to use them anyway for readability. Overall, your code should look similar to: import org.openqa.selenium.WebDriver; import org.openqa.selenium.chrome.ChromeDriver; import org.openqa.selenium.firefox.FirefoxDriver; import org.openqa.selenium.ie.InternetExplorerDriver; public class gg { public static void main(String[] args) { … Read more

[Solved] Does this code block the file? [closed]

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Depending on what you want you could add a fourth parameter to the File.Open method. To open the file with read only access and allow subsequent opening of the file for reading: private Stream GetFileStream(String path) { return !File.Exists(path) ? null : File.Open(path, FileMode.Open, FileAccess.Read, FileShare.Read); } This allows read and write: private Stream GetFileStream(String … Read more

[Solved] Escaping a dot in c# [closed]

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That’s not how enums work. You need something like this: private enum UserAgents { MSIE70, MSIE60, MSIE50 } But then you have to worry about getting the string value out of it, the flags don’t match the string representation either. You could decorate them with DescriptionAttributes but then you still have to do all the … Read more

[Solved] String to find A character [duplicate]

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If you’re beginner check this : String s1=” read the documentation for the methods of String”; //your string char ch=s1.charAt(s1.indexOf(‘A’)); //first appearance of character A int count = 0; for(int i=0;i<s1.length();i++) { if(s1.charAt(i)==’A’){ //if character at index i equals to ‘A’ System.out.println(“number of A:==”+ch); count++; //increment count } } System.out.println(“Total count of A:==”+count); If you’re … Read more