count

问题 I'd like to display a message in either woocommerce_before_cart or woocommerce_before_cart_table if the total number of items in the cart is less than X, and also display the difference. By items I mean individual quantities not product lines. How can I add a function that sums the quantities of all items in the cart and displays a message if the total is less than the specified quantity? Example: Set the number to 30, cart contains a total of 27 items, so a message would say 'If you order 3

问题 How do I count the number of tr elements within a table using jQuery? I know there is a similar question, but I just want the total rows. 回答1: Use a selector that will select all the rows and take the length. var rowCount = $('#myTable tr').length; Note: this approach also counts all trs of every nested table! 回答2: If you use <tbody> or <tfoot> in your table, you'll have to use the following syntax or you'll get a incorrect value: var rowCount = $('#myTable >tbody >tr').length; 回答3:

问题 How could one count how many times a substring exists within a string? I mean if you have a String " one, two, three, one, one, two" how could you make it count "one" being present 3 times? I thought String.Contains would be able to do the job but that only checks if the substring is present at all. String.forall is for chars and therefofre niether an option. So i am really at a complete halt here. Can some enligten me? 回答1: You can use Regex.Escape to turn the string you're searching for

问题 I have information in a table like so: id name recommender 1 daniel steve 2 daniel tony 3 steve daniel and this code: <h2>Follow/Join Recommendation League Table</h2> <br/> <?php $query = "SELECT name_of_follower, COUNT(name) FROM recommendation_competition_entrants GROUP BY name_of_follower ORDER BY COUNT(name) DESC"; $result = mysql_query($query) or die(mysql_error()); // Print out result while($row = mysql_fetch_array($result)){ echo $row['name_of_follower'] . " has ". $row['COUNT(name)']

问题 I have the following DF: Week SKU Discount(%) 1 111 5 2 111 5 3 111 0 4 111 10 1 222 0 2 222 10 3 222 15 4 222 20 1 333 5 2 333 0 3 333 0 I would like to have this outcome: Week SKU Discount(%) Duration LastDiscount 1 111 5 2 0 2 111 5 2 0 3 111 0 0 0 4 111 10 1 2 1 222 0 0 0 2 222 10 3 0 3 222 15 3 0 4 222 20 3 0 1 333 5 1 0 2 333 0 0 0 3 333 0 0 0 Duration is the number of weeks that 1 SKU had discounts continuously. LastDiscount counts the number of weeks from the last time the SKU was on

问题 Is there a more efficient way to count the most frequently appearing digit in a string? My R code below calls gsub() 10 times for each string; and I have gazillions of strings to process. > txt = 'wow:011 test 234567, abc=8951111111111aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa' > max(vapply(0:9, function(i) nchar(gsub(paste0('[^',i,']'), '', txt)), integer(1L))) [1] 12 I don't care about the digit itself. I just want the count of the most frequent one. I would prefer to use R's core packages, unless

问题 In my batch file I have the following variables: set collection=collection1 set environment=oracleDev set processChain1=-help,-startimport %environment% %collection% As you can see, my process chain contains two strings that are separated with a ",". Now I want to count the two strings (later it could be more then one string). I tried it with: Set count=0 For %%j in (%%processChain1%%) Do Set /A count+=1 echo %count% But there is the first mistake. It prints out 1 and not 2. Why? After

问题 In my batch file I have the following variables: set collection=collection1 set environment=oracleDev set processChain1=-help,-startimport %environment% %collection% As you can see, my process chain contains two strings that are separated with a ",". Now I want to count the two strings (later it could be more then one string). I tried it with: Set count=0 For %%j in (%%processChain1%%) Do Set /A count+=1 echo %count% But there is the first mistake. It prints out 1 and not 2. Why? After

问题 I know that I can get the number of rows having a particular value in a particular column by making use of the COUNT(*) function, but I want to find the number of COLUMNS in a particular row that have a particular value. Any suggestions on how to do this? I would have posted an example of what I've tried up till now, but I'm completely lost on this one... Edit 1 - Here's some sample data and the expected result: Table - trackbill | u1 | u1paid | u2 | u2paid | u3 | u3paid | u4 | u4paid | u5 |

问题 I have a problem, please see my database: ------------------- | id | article_id | ------------------- | 1 | 1 | | 2 | 1 | | 3 | 1 | | 4 | 2 | | 5 | 2 | | 6 | 3 | | 7 | 3 | | 8 | 3 | | 9 | 3 | | 10 | 3 | And I want to receive something like this (order by votes, from max to min): --------------------------- | id | article_id | votes | --------------------------- | 1 | 3 | 5 | | 2 | 1 | 3 | | 3 | 2 | 2 | Could you please help me to write proper sql query? 回答1: SELECT article_id, COUNT(article