The advantage of separating the child from the child css selector would only be if you’d like to use the parent for something else. Otherwise, it’s slightly faster to do it in one call, like expect(element(‘#parent_1 > .red’)).toBe(‘red’); since Protractor doesn’t need to make two calls to the browser in this case. Another reason to … Read more
max(alkaline_earth_values, key=lambda x: x[1]) The reason this works is because the key argument of the max function specifies a function that is called when max wants to know the value by which the maximum element will be searched. max will call that function for each element in the sequence. And lambda x: x[1] creates a … Read more
document.getElementById() only supports one name at a time and only returns a single node not an array of nodes. You have several different options: You could implement your own function that takes multiple ids and returns multiple elements. You could use document.querySelectorAll() that allows you to specify multiple ids in a CSS selector string . … Read more
The following xpath should work /root/*[not(self::terminate)] Also, i think you can do it with this as well /root/*[not(name()=’terminate’)]
Yes, using std::transform: std::transform(myv1.begin(), myv1.end(), myv1.begin(), std::bind(std::multiplies<T>(), std::placeholders::_1, 3)); Before C++17 you could use std::bind1st(), which was deprecated in C++11. std::transform(myv1.begin(), myv1.end(), myv1.begin(), std::bind1st(std::multiplies<T>(), 3)); For the placeholders; #include <functional>
are you using jquery and prototype on the same page by any chance? If so, use jquery noConflict mode, otherwise you are overwriting prototypes $ function. noConflict mode is activated by doing the following: <script src=”https://stackoverflow.com/questions/980697/jquery.js”></script> <script>jQuery.noConflict();</script> Note: by doing this, the dollar sign variable no longer represents the jQuery object. To keep from rewriting … Read more
Building on the accepted answer: It depends on what kind of pattern you’re looking for. If your pattern is something like “MasterPageElement_CheckBox_4443”, “MasterPageElement_CheckBox_4448”, etc. then you could also use: $(“span[id^=MasterPageElement_CheckBox]”) There are 3 built-in attribute selectors for simple patterns: $(“span[id^=foo]”) That selector matches all spans that have an id attribute and it starts with foo … Read more
Here’s a nice form of a loop I often use. You create the iterated variable from the for statement and you don’t need to check the length property, which can be expensive specially when iterating through a NodeList. However, you must be careful, you can’t use it if any of the values in array could … Read more
You can use filter() to filter your array as follow var strings = [“Hello”,”Playground”,”World”] strings = strings.filter { $0 != “Hello” } print(strings) // “[“Playground”, “World”]\n” edit/update: Xcode 10 • Swift 4.2 or later You can use the new RangeReplaceableCollection mutating method called removeAll(where:) var strings = [“Hello”,”Playground”,”World”] strings.removeAll { $0 == “Hello” } print(strings) … Read more