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Counting words in JSON file with Ruby

What is the best way to count words in a JSON file with Ruby? The 开发者_运维技巧scan method will do the job but spends a lot of memory.Try the block version of scan:[详细]

2023-03-31 09:26 分类：问答
CoreData - NSPredicate results if relationship has data

I have a many-to-many relationship between tables, and I populate a tableView with Activities. For that i user a simple NSPredicate like this:[详细]

2023-03-31 09:09 分类：问答
PDF page count not correct

I was just wondering why the vbs code in the link below is not counting pdf pages correctly?It seems to under count by half or more the number of pages that actually exist in each pdf.[详细]

2023-03-31 07:44 分类：问答
MySQL: Problems counting rows

Is this supposed to count the appearances of each link_id on the table? SELECT link_id, count(*) FROM table group by link_id[详细]

2023-03-31 06:32 分类：问答
MYSQL Count group by rows ignoring effect of JOIN and SUM fields on Joined tables

I have 3 t开发者_如何学JAVAables: Orders - id - customer_id Details - id - order_id - product_id - ordered_qty[详细]

2023-03-31 06:07 分类：问答
MySQL COUNT function not performing as I would like in multiple joined query

I have been altering a query for a while now, reading many posts on this wonderful site to get to where I am with this so far.But, alas, now I am stuck :([详细]

2023-03-31 04:16 分类：问答
Rails 3 - Nested Forms, how to count nested resources

Hi, I\'m a Rails newbie and this is my first stackoverflow question. I\'m currently writing a poll application, the concept is very simple.[详细]

2023-03-31 01:47 分类：问答
Need to get a Count on a MySQL join query

Looked through the questions with similar titles and nothing was close enough to get this query working. I know this is probably something fairly simple though.[详细]

2023-03-30 20:02 分类：问答
rails 3: trying to COUNT/GROUP on multiple fields, but getting SQL error

My table StoreCodes holds uniqu开发者_Go百科e products codes (and their availablity) for each store, eg:[详细]

2023-03-30 12:01 分类：问答
SQL query for finding records where count > 1

I have a table named PAYMENT. Within this table I have a user ID, an account number, a ZIP code and a date. I would like to find all records for all users that have more than one payment per day with[详细]

2023-03-30 11:27 分类：问答