You have an spelling-error in your code: querySelecotr should be querySelector. You can also use getElementById to get an element by its id-property. Both versions work in the browsers i tested (Firefox, Chrome, Safari). If you use preventDefault(), the checked-state will be restored after the event-handler is completed. So any change inside that event-handler will … Read more
First of all, your question is unclear. What have you tried? What are you trying to achieve? Here are a simple example is to get you started. Just get the value of each field, and combine the value into a string. function combineText() { var position = document.getElementById(‘position’).value; var startDate = document.getElementById(‘startDate’).value; var endDate = … Read more
This is simply done like this $hist=mysqli_query($db, “SELECT * from history”); $last_date=””; while($his=mysqli_fetch_assoc($hist)){ If($his[‘ano’] != $last_date){ echo $his[‘ano’]; $last_date = $his[‘ano’]; } } 4 solved Check when a information provided from sql changes in php [closed]
Simply convert that last character to String and then String to Int. if let last = str.characters.last, let value = Int(String(last)) { print(value) } Edit: If you are having a number like cart10,cart11,…cart100… then to get the number after cart try this way. let str = “cart15” let cartNumber = str.characters.flatMap({Int(String($0))}).reduce(0, {10 * $0 + … Read more
From your description, I think you are probably looking for topological sorting. It is based on the assumption that ‘impossible situation’ occurs when one connections suggests that A comes before B but there is some another connection which suggests that B comes before A. Link for topological sort: Topological Sorting solved Looking for a sorting … Read more
move the total=0 out side the loop prices = { “banana” : 4, “apple” : 2, “orange” : 1.5, “pear” : 3, } stock = { “banana” : 6, “apple” : 0, “orange” : 32, “pear” : 15, } total = 0 for key in prices: inventory = (prices[key] * stock[key]) print key print “inventory … Read more
A pure 8086 assembly solution is this: mov bx, 1234h ; bx = 1234h === input mov dx, bx ; dx = 1234h shr bx, 8 ; bx = 0012h shl dx, 8 ; dx = 3400h mov ax, bx ; ax = 0012h mov cx, dx ; cx = 3400h shr bx, 4 ; … Read more
What you did, you failed to call the function that is why you facing this problem. Use this instead and you can able to get the address of a function. In Python v2.x #!/usr/bin/python def get_address(): address = raw_input(“What is your address: “) return address a = get_address() print a What is raw_input? It ask … Read more
You can parse your String as DateTime like var text = “24/02/2017 13:57:53”; var dateTime = DateTime.Parse(text); And then you can access the time like var time = dateTime.TimeOfDay; 0 solved How to get time only with date and time in C# [closed]
A file on your machine is associated with a File object in Java. This allows the “stream of bytes” to have behaviors (methods) that can be useful for developers. If I had just a stream of bytes, I can do little more than read the stream and do something with the data of the file. … Read more
You will need to access your favorite exchange url using HttpURLConnection, then get the html contents, parse it , and get the bit-coin exchange rate. check this example, then you can look up the value inside contents variable based on the business logic, : package com.jalalkiswani.stackoverflow.answers; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import … Read more
I think this might solve your problem t.countByValue().filter(tupleOfCount=>Try(tupleOfCount._1.toInt).toOption.isEmpty).print() Use of isInstanceOf should be the last resort as @sergey said , so this code must solve the issue or else the pattern matching would be a good option too. solved Scala Filter Only Digits
Manipulating data is done by server, You need to install npm in your computer. solved Generate File Using Javascript [closed]
An unhandled exception of type ‘System.ArgumentOutOfRangeException’ occurred in System.Windows.Forms.dll This is because it can not find the element in you collection of images you are looking for. You have to make sure the image you assign exists before you assign it. In this care it is set top 15 which is not in your collection. … Read more
for x in y_train: x.append(element) example: >>> listOfLists = [[1,2], [2,3], [4,5]] >>> for x in listOfLists: … x.append(2) >>> listOfLists [[1, 2, 2], [2, 3, 2], [4, 5, 2]] 0 solved List comprehensions