unique
get number of unique mobile web customers
I have a site optimized for mobile devices. I want to have a statistics of how many unique users from which device has accessed my site per day or per hour etc... is there a way in JavaScript t开发者_[详细]
2023-03-06 06:48 分类：问答cakephp inset violating unique constraint
using cakephp on email column in the db i have unique constraint, how can check before inserting record开发者_高级运维ing that email may be duplicate or after inserting detect and print error.Check ou[详细]
2023-03-06 05:59 分类：问答SQL: Ideal engine type (MyISAM vs InnoDB) and data type for unique text column
Hi I have a php website using mysql and I have a table with a column called \'Name\'. I intend for it to have the following features:[详细]
2023-03-06 04:25 分类：问答Select unexisting value from MySQL
There is a table \"tbl\" with unique values \"val\" from a certain range (eg, from 100 to 999).[详细]
2023-03-05 21:56 分类：问答Perl - How do I count and print occurrences of domains in email address array?
I have been struggling with this for a couple days now and cannot seem to figure it out. I have an array of email addresses that were created via push(@emails,$email) in a while loop.[详细]
2023-03-04 08:59 分类：问答Generate shorted unique username based on array of first names and last names
I have a multi-dimensional array called users 开发者_Go百科that is formatted like the following and I am trying to create a script that will create a "username" based on this information:[详细]
2023-03-03 16:39 分类：问答What column from master.dbo.sysprocesses is unique for the session?
I\'m creating SQL mechanism (in MSSQL 2005) which allows only one user at time set the field in certain table. If this field is set, no one else can cl开发者_运维知识库ear it (set to NULL). If not, th[详细]
2023-03-03 07:13 分类：问答PHP: Better way to filter out duplicates?
I have an array sort of like this. $images = array ( array(\'src\' => \'a.jpg\'), array(\'src\' => \'b.jpg\'),[详细]
2023-03-03 00:45 分类：问答counting unique factors in r
I would like to know the number of unique dams which gave birth on each of the birth dates recorded. My data frame is similar to this one:[详细]
2023-03-02 18:18 分类：问答LInux sort/uniq apache log
I havesmall file (100) lines of web request(apache std format) there are multiple request from clients. I want to ONLY have a list of request(lines) in my file that comes from a UNIQUE IP and is the l[详细]
2023-03-02 17:46 分类：问答
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