I am using SELECT DISTINCTname FROM table to get a table with distinct names that appear in the column. How can i get an 开发者_如何学编程extra column returning the number of times that this specific
I am looking for missing data in a data migration project, and this report will help me immensely. Given a MySQL table, I would like to count all the empty (NULL or \'\') valu开发者_运维知识库es in e
Why when I try this block of code: var str = \"1234\"; alert(str.toString().lenght); it alerts开发者_C百科 me \'undefined\' ?You misspelled length. It\'s \"length\":
How to calculate the number of rows in a file which we have uploaded. The file might be either a text file or a CSV or Exce开发者_开发技巧l file.
This problem is really confusing me; we\'re given two integers A, B, we want to count occurrences of digits in the range [A, B]. I though that if we could count the num开发者_开发技巧ber of digit occu
What is the best method to find the number of digits of a positive integer? I have found this 3 basic methods:
I was recently making a program which needed to check the number of digits in a number inputted by the user. As a result I made the following code:
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I am trying to port my app to iOS5. I am using a TCP connection to a server via CFSockets. My problem now is the conversion (cast) from CFReadStreamRef to NSInputStream (same with write). With iOS4 I
I want to count the number of matches there is on one single line (or all lines as there always will be only one line).
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