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Select statement to find duplicates on certain fields

... of fields for which there are multiple records, you can use.. select field1,field2,field3, count(*) from table_name group by field1,field2,field3 having count(*) > 1 Check this link for more information on how to delete the rows. http://support.microsoft.com/kb/139444 There should be a cr...
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How to read data From *.CSV file using javascript?

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How to install Java SDK on CentOS?

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Determining if a variable is within range?

... if i.between?(1, 10) do thing 1 elsif i.between?(11,20) do thing 2 ... share | improve this answer | follo...
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C语言面试那些事儿──一道指针与数组问题 - C/C++ - 清泛网 - 专注C/C++及内核技术

...题首先看如下代码:int main(int argc, char** argv){ int a[5] = {1,2,3,4,5}; int* ptr = (int*)(&a + 1); ...首先看如下代码: int main(int argc, char** argv) { int a[5] = {1,2,3,4,5}; int* ptr = (int*)(&a + 1); printf("%d,%d\n", *(a+1), *(ptr-1)); return 0...
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Knight's Shortest Path on Chessboard

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Subscripts in plots in R

...w to write subscripts in the title or the subtitle in R. How can I write v 1,2 with 1,2 as subscripts? 6 Answers ...
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Multiple linear regression in Python

... regress my dependent variable (y) against several independent variables (x1, x2, x3, etc.). 13 Answers ...
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Write a function that returns the longest palindrome in a given string

...be found here and here. For input String s = "HYTBCABADEFGHABCDEDCBAGHTFYW1234567887654321ZWETYGDE" it finds the correct output which is 1234567887654321. share | improve this answer | ...
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Converting timestamp to time ago in PHP e.g 1 day ago, 2 days ago…

I am trying to convert a timestamp of the format 2009-09-12 20:57:19 and turn it into something like 3 minutes ago with PHP. ...