What is illegal is: Employee is an abstract base class. This line: Employee joe; is illegal on its own, it is creating an instance of your abstract class. joe = HourlyEmployee(); is a bad idea even if the classes were both complete as it would slice. joe is an object, not a reference. If HourlyEmployee … Read more
Your issue is not clear to me.If your code want to change image on focus on image then it should work with this. <html> <script type=”text/javascript”> function change_img() { document.images.img1.src = “https://stackoverflow.com/questions/13914381/image1.jpg”; } function change_back() { document.images.img1.src = “image2.jpg”; } </script> <img name=”img1″ src=”image2.jpg” alt=”gezi” onMouseout=”change_back()” onMouseover=”change_img()” /> </html> solved Javascript function not working in … Read more
This can be done with a single update statement. delete from question where id = 2; with new_order as ( select row_number() over (partition by survey_id order by question_no) as new_question_no, question_no as old_question_no, id from question ) update question set question_no = nq.new_question_no from new_order nq where nq.id = question.id and survey_id = 44; … Read more
Why is that? Because Main() is static. If Main() was an instance method, and you had called Main() on an instance of myClass (e.g., new myClass), then doThis() could also be an instance method. Or, if your static Main() created an instance of myClass, it could call doThis() on that instance. When I develop some … Read more
Possible problems Either, your contact.php would be in different directory. You are trying to access with WRONG URL, i mean path. You would have changed your port number to other. Check your Port Number, when you are accessing your main page (i.e. index.php or whatever). Suggestion If your index.php and contact.php are in same directory … Read more
select distinct pt.tagname from post_tag pt where not exists ( select * from post_category pc where pc.post_id = pt.post_id ) solved SQL Inner Join not exist
This will hide all other applications than the sender. -[NSWorkspace hideOtherApplications] Link to documentation: https://developer.apple.com/library/mac/#documentation/Cocoa/Reference/ApplicationKit/Classes/NSWorkspace_Class/Reference/Reference.html#//apple_ref/doc/uid/20000391-hideOtherApplications 0 solved Programmatically show the desktop?
It looks like you are using a variable called destination in this line webClient.DownloadFile(“http://i.imgur.com/” + picture, destination + picture); however you have not declared that variable and assigned it a value inside the buttonStart_Click method. You have a variable called destination declared in the buttonSaveTo_Click method, if this is the value you want to use … Read more
You have to move one ‘});’ of the bottom before the else: //run the function for all boxes $(“.box”).each(function () { var thisBox = $(this); var url = thisBox.href; var infoBox = $(“.info”, thisBox); thisBox.data(‘height’, $(this).height()); thisBox.click(function () { if (!thisBox.hasClass(“opened”)) { thisBox.addClass(“opened”); $(“img”, box).fadeOut(“slow”, function () { infoBox.css({ “visibility”: “visible”, “height”: “auto” }); infoBox.load(url, … Read more
//loop through the 2d array for(int i = 0; i <= boardsize; i++) { getline(fin, line); for(int j = 0; j < boardsize; j++) { if(i != 0) board[i][j] = (int)line[j]; } line.clear(); } needs to be //loop through the 2d array for(int i = 0; i < boardsize; i++) // note < instead of … Read more
First, you should know that you are doing a cartesian product of your tables. If you want to add an identity column when you are creating your table, then do the following: Select IDENTITY(INT,1,1) ID, Calls.*,Patient.* INTO Calls2 From Calls,Patient solved Identity Increment [closed]
File formats are specification of structure of a file. They’re usually in binary but in your case and in many other cases, they’re text. The first thing you need to do is decide on the structure of your document and then read it like by line. You can also use tools that make this process … Read more
You can nest zips: studentName = [“kelly”,”Micheal”,”Agatha”,”Chris”,”frank”,”matthew”] subject = [“math”,”phy”,”chem”] math = [34,45,78,79,60,36] phy = [57,98,67,90,56,60] chem = [67,86,35,98,50,67] output = {name: dict(zip(subject, scores)) for name, scores in zip(studentName, zip(math, phy, chem))} print(output) # {‘kelly’: {‘math’: 34, ‘phy’: 57, ‘chem’: 67}, # ‘Micheal’: {‘math’: 45, ‘phy’: 98, ‘chem’: 86}, # ‘Agatha’: {‘math’: 78, ‘phy’: 67, … Read more
}throw; A throw without following expression can be used inside an exception handler to re-throw the currently handled exception. However, at this point your program does not have an active exception. In this case, throw calls std::terminate(). This seems to be an edit artifact. solved Terminate called without an active exception : LeetCode Question 74 … Read more
If you want to run some PHP code while clicking the button and don’t want to refresh it, then you can send ajax request to your server using javascript. You can also update your page dynamically using the same. solved Set PHP varibles on button press without using POST or GET