[ad_1] I think the problem is the assignment equation = eqn. Since eqn is a list, it is a mutable and thus passed as a reference, when you assign a mutable, the variable actually contains a pointer to that object. This means that equation and eqn are the same list. You should from copy import … Read more
[ad_1] // Rule 1: Kinda keep it simple // As total marks are going to be 100 so no need for a percentage method const school_grading_system = () => { let student_details = { name_of_student: prompt(“Enter your name:”), roll_number_of_student: Number(prompt(“Enter your Roll No: “)), marks_of_student: Number(prompt(“Enter your marks out of 100: “)) } if (student_details.marks_of_student … Read more
[ad_1] Your most versatile function for matrix multiplication is torch.einsum: it allows you specify the dimensions along which to multiply and the order of the dimensions of the output tensor. In your case it would look like: dot_product = torch.einsum(‘bij,bj->bi’) [ad_2] solved How to perform multiplication along axes in pytorch?
[ad_1] Your expressions return false so number is not defined. add number = ” string is not equal to a number.” before the expression. I think your trying to get a number value for each character? you should be comparing if the value of alphabet equals a given string, then assigning a numerical value to … Read more
[ad_1] The correct way to avoid SQL injection attacks, no matter which database you use, is to separate the data from SQL, so that data stays data and will never be interpreted as commands by the SQL parser. It is possible to create an SQL statement with correctly formatted data parts, but if you don’t … Read more
[ad_1] No, there is no shorter way. Usually, you will even break it into two lines : important_airports = (airport for airport in airports if airport.is_important) for airport in important_airports: # do stuff This is more flexible, easier to read and still don’t consume much memory. 3 [ad_2] solved Single line for loop over iterator … Read more
[ad_1] Here is a solution using jQuery $(document).ready(function () { //$(“#background”).css(“background-color”,$.cookie(“defaultColor”)); $(“#background-change”).change(function (event) { var color = $(this).val(); $(“#background”).css(“background-color”,color); //$.cookie(“defaultColor”,color); }); }); The code will change the background based on the selected value in the dropdown list. To set and retrieve cookie using jQuery, you have to use the jQuery Cookie Plugin Use this code … Read more
[ad_1] This isn’t quite right, but maybe gives some indication of how to make this type of operation faster. Here’s the data url <- “http://pastebin.com/raw.php?i=hsGACr2L” dfi <- read.csv(url) I calculate the product and cumulative sum of the product of price and volume. The calculation is vectorized so fast. pv <- with(dfi, Price * Volume) cpv … Read more
[ad_1] The reason why this isn’t working is because the actual website got a lot more between “Summary:” and the “<span class…” What you could try (that seems to work) is to change it into the simpler form: $contents=file_get_contents(“http://www.weather-forecast.com/locations/San-Francisco/forecasts/latest”); preg_match(‘/<span class=”phrase”>(.*?)<\/s/’, $contents,$matches); print_r($matches[0]); This will pick out more matches, but since we’re only interested in … Read more
[ad_1] Okay, after so much discussion and so many issues with your code I have totally revised your original code because you said you wanted to learn more. Among other improvements I have done the following changes: Meaninfgul class name Meaningful method and parameter names Convert repeated and often used constants like 50 and the … Read more
[ad_1] You can do something like this:- var output= countries.GroupBy(c => new { c.State, c.City }) .Select(a => new { City = a.Key.City, State = a.Key.State, Zip = a.Max(z => z.Zip) }).OrderBy(m => m.City); 1 [ad_2] solved sql to linq conversion for this table [closed]
[ad_1] In a MediaWiki context, mw is a global object containing a number of Javascript methods and properties, that other javascript modules can make use of. If, for instance, you are adding Javascript code to MediaWiki:Common.js, you will always be able to access the mw variable. (Read more about MediaWiki JS modules here.) The mw.config … Read more
[ad_1] Make sure when you hit page create that “webpage” was chosen in the dropdown. When the box comes up to edit the page, make sure that you click the html icon in the edit box. Copy the html you provided, and pasted it into the page and below it wrote script tags to contain … Read more
[ad_1] Use re.findall. The regex: r’^(.*\S)\s+id:\s*(\d+)\s+type:\s*(.+)’ means: ^ : start of the string..* :any character, repeated 0 or more times.\S : non-whitespace character.\s+ : whitespace character, repeated 1 or more times.\d+ : any digit, repeated 1 or more times.(PATTERN) : capture the patterns and return it. Here we capture 3 patterns. import re string = … Read more
[ad_1] You can combine CASE with LEAD(). Assuming you are ordering by stepthe query can look like: select t.*,m case when lead(letter) over(order by step) = ‘D’ then 1 else 0 end as is_next_row_letter_d from t [ad_2] solved How to determine next row value using select and case in SQL server?