[Solved] Counting Values in R Vector
I like findInterval for these sorts of tasks: x <- c(1,2,3,20,21,22,40,41,42,60,61,62,80,81,82) table(findInterval(x,c(0,20,40,60,80))) 1 2 3 4 5 3 3 3 3 3 4 solved Counting Values in R Vector
Month: November 2022
[Solved] Masking inputs any field and values
if your output is acceptable on other field, this might be useful $(“#input”).on(“keyup”, function() { var input = $(this).val().split(“”) var res = $.map(input, (el, ix) => { return ix < 2 || ix > input.length – 3? el:”*” }) $(“#output”).html(res.join(“”)); }) <script src=”https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js”></script> <input type=”password” id=”input” /> <br><span id=”output”></span> 1 solved Masking inputs any field … Read more
[Solved] Why do I get “unused variable” warnings for a used variable in Eclipse? [closed]
Just the fact that your variable is mentioned elsewhere doesn’t mean it is used. To demonstrate: public class Test { public void x() { Node n = new Node(); n.pivot = null; n.pivotIndex = 0; } private class Node { public int[] pivot; public int pivotIndex; } } Now both pivot and pivotIndex are marked … Read more
[Solved] Why do I get “unused variable” warnings for a used variable in Eclipse? [closed]
Introduction When programming in Eclipse, it is common to receive “unused variable” warnings for variables that have been used in the code. This can be confusing and frustrating, as it appears that the code is correct. In this article, we will discuss the reasons why this warning may appear and how to resolve it. We … Read more
[Solved] Removing all characters before certain string [duplicate]
There is a php built in for doing this: strstr Combine with substr to strip out your token: $out = substr(strstr($text, ‘ABC’), strlen(‘ABC’)) 2 solved Removing all characters before certain string [duplicate]
[Solved] How to handle configuration properties in Java [closed]
Leverage standard Java Properties class. Create a properties file, i.e. conf.properties and load it. #conf.properties: key=value #code Properties conf = new Properties(); conf.load(new FileInputStream(new File(“conf.properties”))); conf.getProperty(“key”); // returns “value” solved How to handle configuration properties in Java [closed]
[Solved] How to scrape all product review from lazada in python
To do pagination use infinite while loop and #Check for button next-pagination-item have **disable** attribute then jump from loop else click on the next button. Code: from selenium import webdriver from selenium.webdriver.support.ui import WebDriverWait from selenium.webdriver.support import expected_conditions as EC from selenium.webdriver.common.by import By import time driver=webdriver.Chrome(executable_path=”chromedriver”) driver.get(“https://www.lazada.sg/products/loreal-paris-uv-perfect-even-complexion-sunscreen-spf50pa-30ml-i214861100-s325723972.html?spm=a2o42.seller.list.1.758953196tH2Mn&mp=1”) review_csv=[] product_csv = [] rating_csv =[] date_review_csv … Read more
[Solved] R three dimensional arrays [closed]
So the way your question is posed is a bit sloppy, but an example of what you might be trying to do is to take the average of each 2000 x 22 array for each of the 3 of them. here is how this would be done: arr = array(1, dim=c(2000,22,3)) dim(arr) m = NULL … Read more
[Solved] If Condition for multiple values [closed]
You can string multiple conditions together in one, such that: If (thing = 1 OrElse thing = 2 OrElse thing = 3 OrElse thing = 4 OrElse thing = 5) End IF However, you could add these values to a whitelist, and do an Any or Contains check. You could of course to a lower … Read more
[Solved] Extracting the elements matching the filter
I’m basing this answer on a very similar answer I wrote just a few hours ago. #from sklearn.feature_extraction.image import extract_patches # similar to numpy’s stride_tricks from numpy.lib.stride_tricks import as_strided data = np.array([[1, 1 , 0 , 0 , 0 , 0 , 1 , 0], [1, 1 , 1 , 0 , 0 , 1 … Read more
[Solved] String not valid as a datetime string – Convert “yyyyMMdd” to datetime [closed]
Use DateTime.ParseExact to specify the format and invariant culture: var date = DateTime.ParseExact(date, “yyyyMMdd”, CultureInfo.InvariantCulture); solved String not valid as a datetime string – Convert “yyyyMMdd” to datetime [closed]
[Solved] String not valid as a datetime string – Convert “yyyyMMdd” to datetime [closed]
Introduction This article provides a solution to the problem of converting a string in the format of “yyyyMMdd” to a datetime object. This is a common issue encountered when dealing with date and time data, and can be solved using a variety of methods. This article will discuss the different approaches to solving this problem, … Read more
[Solved] Unhashing a password or holding unhashed password C#
A central principle of a hash is that it is one way, as you have read. Since you want to be able to perform a two way conversion between your data and a secured version you need to use encryption, which is specifically designed to both encrypt and then later decrypt the data in question. … Read more
[Solved] Java logic operators [closed]
No, that would be a compilation error since it is parsing as if ((clickedButton == button0) || (button1) || (button2) … and buttons are not booleans. You must do: if (clickedButton == button0 || clickedButton == button1 … But an array would be much cleaner, instead of having nine separate button variables. Then you could … Read more
[Solved] How to get all months between two dates in PHP?
Just try with: $date1 = ‘2013-11-15’; $date2 = ‘2014-02-15’; $output = []; $time = strtotime($date1); $last = date(‘m-Y’, strtotime($date2)); do { $month = date(‘m-Y’, $time); $total = date(‘t’, $time); $output[] = [ ‘month’ => $month, ‘total’ => $total, ]; $time = strtotime(‘+1 month’, $time); } while ($month != $last); var_dump($output); Output: array (size=4) 0 => … Read more