range

问题 Ok, so I have Python code at the moment which does something like this: if plug in range(1, 5): print "The number spider has disappeared down the plughole" But what I actually want to do is check if the number is not in range. I've googled and had a look at the Python docs but I can't find anything. Any ideas? Additional data: When running this code: if not plug in range(1, 5): print "The number spider has disappeared down the plughole" I get the following error: Traceback (most recent call

问题 I´m trying to get the value of a range slider with Ionic 2 at the end of an input. In the doumentation the only availible event is the ionChange, which triggers several times during an input, and I only need the last value to perform an action. I tried to add the touchend event manually but the event is ignored. Here´s also a Plunker with the Problem. <ion-range (ionChange)="showVal($event)" (touchend)="presentValue(event)" min="0" max="100" [(ngModel)]="currentTime" color="danger"> <ion-icon

问题 below is my Jquery slider range (min-max) code, the drag works fine on desktop computer, but when I test this on iPad, it doesn't work. Can anyone help me with this please? Unfortunately I can't attach image. Below is the diagram of slider range, =====(>)=======(<)===== var maxValue,myRequest,isDown=false,setUrl; setUrl = "/search_type/filter.php"; $( "#slider-range" ).slider({ range: true, min: 0, max: 500, step:25, orientation: "horizontal", values: [ 0,500 ], slide: function( event, ui ) {

问题 I have a contenteditable div <div id="divTest" contenteditable="true"> I need to get the last word from caret position and on certain condition I have to test and remove this specific word only. Below is how am I doing $('#divTest').on('keyup focus', function (e) { if (e.keyCode == 32) { var lastWord = getWordPrecedingCaret(this), spanLastWord = $('#lastWord'); } }); function getWordPrecedingCaret(containerEl) { var preceding = "", sel, range, precedingRange; if (window.getSelection) { sel =

问题 I ran a set of performance benchmarks for 10,000,000 elements, and I've discovered that the results vary greatly with each implementation. Can anybody explain why creating a Range.ByOne, results in performance that is better than a simple array of primitives, but converting that same range to a list results in even worse performance than the worse case scenario? Create 10,000,000 elements, and print out those that are modulos of 1,000,000. JVM size is always set to same min and max: -Xms?m

问题 Given an (unsorted) array S and some integer k, find the number of pairs i,j such that the range of S[i...j] < k. Where range is max(S[i...j]) - min(S[i...j]). I received this question in an interview and was only able to come up with a O(nlogn) solution after sorting S. However, I was told there is an O(n) solution. Any ideas? 回答1: Starting with i,j = 0, we could iterate j, keeping track of min and max. When the range becomes >= k via raising max, we need to find a new i where min(s[i..j]) >

问题 Does anyone know if Python has an in-built function to work to print out even values. Like range() for example. Thanks 回答1: Range has three parameters. You can write range(0, 10, 2) . 回答2: Just use a step of 2: range(start, end, step) 回答3: Try: range( 0, 10, 2 ) 回答4: I don't know if this is what you want to hear, but it's pretty trivial to filter out odd values with list comprehension. evens = [x for x in range(100) if x%2 == 0] or evens = [x for x in range(100) if x&1 == 0] You could also

问题 I'm using a data set where the 11th column on a csv file has numeric data. It contains some NA values too. Here is the str of the object: str(dataheart) num [1:4706] 14.3 18.5 18.1 NA NA NA 17.7 18 15.9 NA ... So, as a new student of R, I had expected the result of range(dataheart) to be the min and max values.From looking at the CSV file with data, I know that the min and max are 10.1 and 21.9. But the above returns a vector [1] NA NA Is my understanding of this function incorrect? 回答1: You

问题 I have a pandas data frame with 50k rows. I'm trying to add a new column that is a randomly generated integer from 1 to 5. If I want 50k random numbers I'd use: df1['randNumCol'] = random.sample(xrange(50000), len(df1)) but for this I'm not sure how to do it. Side note in R, I'd do: sample(1:5, 50000, replace = TRUE) Any suggestions? 回答1: One solution is to use numpy.random.randint: import numpy as np df1['randNumCol'] = np.random.randint(1, 6, df1.shape[0]) Or if the numbers are non

问题 I've been working with selection/range objects, and because to the incredible amount of inconsistencies between browsers for specific selection/range stuff (even more than the DOM) I was wondering if there was a framework that would help me get through them. 回答1: (Made an answer by request ;) Take a look at IERange: IERange is a feature-complete implementation of W3C DOM Ranges for Internet Explorer, allowing users to write one cross-browser version of their range manipulation code. Supports