why output is 0 not “lol” ? because you are printing an integer and not an instance of that Main class you can do the following public class Main { @Override public String toString(){ return “lol”; } public static void main(String[] args) { // int aaa=0; Main myMain = new Main(); System.out.println(myMain); } } note … Read more
My guess is that: does not have the recent changes is because the data has not been posted. And cannot be from what I can see. You’re trying to insert and update tuples from two tables, but you fetched only a foreign key of a detail table. Imagine, that you’d like to update this resultset … Read more
You are missing the important responsive meta tag: <meta name=”viewport” content=”width=device-width, initial-scale=1″> But you are using Bootstrap, which is a responsive framework. So, the answer to your question is to study and understand Bootstrap, along with more general studying of what it means for a site to be responsive. solved how to stabilize button in … Read more
First of all, don’t do mysql query in the event, that make the server lag. You have to create hashmap with the data you want to link to mysql server and do a scheduler Async task that do the query. Example: package test; import java.sql.DriverManager; import java.sql.SQLException; import java.util.Map.Entry; import java.util.UUID; import java.util.concurrent.ConcurrentHashMap; import org.bukkit.entity.Player; … Read more
The statement a = new arr***[num]; allocate an array of num pointers to pointers to pointers to arr, and make a point to that memory. The type of a have to be arr****. Which is just silly. 0 solved What is the meaning of “a = new arr ***[num];”? [closed]
Sure the problem of PHP floating point precision was a topic on SO quite often, still I cannot see why this questions albeits 18 downvotes as the questionare asked very precisly for a concrete problem with a concrete floating point number. I have solved this in a way that everybody should understand clearly what the … Read more
a==14 is not a statement, it’s an expression. It produces a boolean result, that is discarded as soon as it is produced. It is a line that has absolutely no effect on the program. On the other hand, there is no === operator in python, that’s why your program fails in that case. Contrary to … Read more
You are missing -r command flag, so go again with pip install -r requirements.txt As it was before, pip just tries to get requirements.txt from remote store expecting it to be a package name. See pip help install Usage: pip install [options] <requirement specifier> [package-index-options]… pip install [options] -r <requirements file> [package-index-options]… … pip also … Read more
The StatET package for Eclipse works great on a Mac. Go to StatET and follow his installation instructions. Sometimes it can be a little tricky to set up once the package is installed in Eclipse. There are several cheat sheets in Eclipse to assist with the setup. Look for them under Help->Cheat Sheets in Eclipse. … Read more
You simply cannot define a function inside another function. You are attempting to define echoer inside main. Instead, it should go outside. You should also know that ‘ is used for character literals and ” is used for string literals. Since ‘) ‘ has more than one character in it, it needs to be a … Read more
You can check the HTTP headers and make an educated guess. You could for instance try http://network-tools.com, there is a tool to get HTTP headers there. (voted to move the question to superuser.com, BTW) 4 solved How can i understand a web site’s language which is written by url rewriting method? [closed]
edit: as the Colonel indicated, apparently this (no longer?) works with LIMIT clauses. If you’re using simple queries / are not that bothered with type: function fetchAll(){ $args = func_get_args(); $query = array_shift($args);//’SELECT * FROM users WHERE status=? LIMIT ?,?’ //you’ll need a reference to your PDO instance $pdo somewhere…. $stmt = $pdo->prepare($query); $stmt->execute($args); return … Read more
You mean something like this? XmlDocument xmlDoc = new XmlDocument(); XmlDocument xmlDoc2 = new XmlDocument(); xmlDoc.Load(xmlFile); xmlDoc2.Load(xmlFile2); XmlNode node = xmlDoc.SelectSingleNode(“Root/RuleDTO/RuleID”); XmlNode node2 = xmlDoc2.SelectSingleNode(“Root/RuleDTO[1]/RuleID”); XmlNode node3 = xmlDoc2.SelectSingleNode(“Root/RuleDTO[2]/RuleID”); if (node != null && node2 != null && node3 != null) node3.InnerText = node2.InnerText = node.InnerText; xmlDoc2.Save(xmlFile2); solved Replace xml node in c#
<FORM action=”info.php” method=”post”> <P> <LABEL for=”firstNum”>First Number: </LABEL> <INPUT type=”text” name=”firstNum” id=”firstNumberLabel”><BR> <LABEL for=”secondNum”>Second Number: </LABEL> <INPUT type=”text” name=”secondNum” id=”secondNumberlabel”><BR> <INPUT type=”radio” name=”calc” value=”1″> Add<BR> <INPUT type=”radio” name=”calc” value=”2″> Subtract<BR> <INPUT type=”radio” name=”calc” value=”3″> Multiply<BR> <INPUT type=”radio” name=”calc” value=”4″> Divide<BR> <INPUT type=”submit” value=”Send”> <INPUT type=”reset”> </P> </FORM> <form action= <?php echo $_SERVER[‘PHP_SELF’] ?> method=”post”> <label … Read more
Use an else if statement like this one: if (angles.Count() == 2 && sides.Count == 1) { // calculate based on two angles and one side } else if (angles.Count == 1 && sides.Count == 2) { // calculate based on one angle and two sides } else { MessageBox.Show(…) } 1 solved If-else command … Read more