[Solved] Similarity measure in classification algorithm

There a number of possible measures of similarity. Ideally, you should derive one yourself that takes account of the reason why you are doing this classification, so that good similarity scores amount to something that performs well when you use it in practice. Here are a few examples. 1) Cosine similarity. Treat the two sets … Read more

[Solved] Cell Value Increment and Offset

Try using Public Variable like this: Public n As Long ‘~~> Declare a public variable at the top of the module Then in your sub try something like this: With Sheets(“Sheet1”).Range(“A6”).Offset(n, 0) ‘~~> change to suit If n = 0 Then .Value = 1 Else .Value = .Parent.Range(.Address).Offset(-1, 0) + 1 End If n = … Read more

[Solved] Passing a variable from parent to child class in Java

The variable firstname1 is a local variable. You can’t access it outside its scope – the method. What you can do is pass a copy of the reference to your subclass. Since you’re calling a static method, the easiest way is to pass the reference as an argument to the method call: @Test public static … Read more

[Solved] Laravel check if user exists

User with the same name, surname, and birthday $duplicate_user = \DB::table(‘users’) ->where(‘name’, ‘LIKE’, $new_name) ->where(‘surname’, ‘LIKE’, $new_surname) ->where(‘birthday’, ‘=’, $new_birthday) ->first(); if($duplicate_user) { return response(‘This user already exists’, 422); } solved Laravel check if user exists

[Solved] Unable to declare variable named “location” in JavaScript

Global variables in the browser are automatically properties of the window object. Assigning to window.location is how you perform a redirect in Javascript. E.g. window.location = ‘http://www.google.com’; will redirect the page to Google. An empty URL means to use the URL of the current page, so you’re telling it to redirect to itself, which just … Read more

[Solved] Extracting the values within the square braces

In GNU awk: $ awk -F”[][]” ‘{split($2,a,”-“); for(i=a[1];i<=a[2];i++) print $1 i $3}’ file app-server-l112.test.com app-server-l113.test.com app-server-l114.test.com app-server-l115.test.com server-l345.test.com server-l346.test.com server-l347.test.com server-l348.test.com dd-server-l2.test.com dd-server-l3.test.com dd-server-l4.test.com split to fields by [ and ] using FS use split the get the range start (a[1]) and end (a[2]) iterate the range with for and output There is no checking … Read more

[Solved] Unhandled exception when calling object

You need to change your constructor to look at location instead of userLocation (see below) in order to avoid this exception: public FSCServerLocator(string location) { if (string.IsNullOrWhiteSpace(location)) { throw new Exception(“No location included at initialization”); } //parameter filtering userLocation = location; } 2 solved Unhandled exception when calling object

[Solved] What does -1 index of an element mean?

-1 means the object cannot be found in the array. $cart.index() returns -1, hence whatever is in $cart can not be found. One line above, you assign $(‘.cart:eq(‘ + cartIndex + ‘)’) to $cart. Hence the selector .cart:eq(‘ + cartIndex + ‘)’ matches no element in your html. solved What does -1 index of an … Read more

[Solved] Incorrect syntax near ‘79000’ [closed]

Change your sql statement to cmd.CommandText = “SELECT CMC, [Site Name], [Phone Number], Zip_Code FROM site Where Zip_Code=”” + Zipcode.Text + “””; You are missing the = which is needed for the syntax to be correct. But you should think about using parameter instead to avoid SQL Injection. Why do we always prefer using parameters … Read more

[Solved] selected and deselected checkbox in Swift

try this below code if let button = sender as? UIButton { if button.isSelected { // set selected button.isSelected = true } else { // set deselected button.isSelected = false } } For shorthand, try this if let button = sender as? UIButton { button.isSelected = !button.isSelected } 1 solved selected and deselected checkbox in … Read more

[Solved] If linked lists have many functional advantages over arrays, what advantages do arrays have over linked lists? [closed]

Because there is no free lunch. In general, if a data structure is more powerful than another, you will have to pay for that additional power somehow. Sometimes you will not be willing to pay that price. As for lists, you are correct, in terms of functionality, they are way better than arrays: You can … Read more

[Solved] What are the essential things that a new ubuntu server should have installed, for development purposes? [closed]

For any sort of web development, I would recommend apache2. For databases, I would recommend mysql-server or postgresql. For Java (as well as C++ and some others), a popular option is eclipse, although netbeans is also good. If you want to see what’s going on under the hood, wireshark is a great network monitoring utility … Read more