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Setting environment variables for accessing in PHP when using Apache

I have a Linux environment and I have a PHP Web Application that conditionally runs based on environment variables using getenv in PHP. I need to know how these environment variables need to be set for the application to work correctly. I am not sure how to set this up on Apache. ...
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Convert columns to string in Pandas

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Join between tables in two different databases?

In MySQL, I have two different databases -- let's call them A and B . 4 Answers 4 ...
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How to use greater than operator with date?

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Extension methods cannot be dynamically dispatched

I want to have DropDownListFor in MVC 3 Answers 3 ...
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How to use CMAKE_INSTALL_PREFIX

...with install target, making installation to /usr instead of default /usr/local. Assuming that build directory is done in the source subdirectory, I execute: ...
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C++, Free-Store vs Heap

Dynamic allocations with new/delete are said to take place on the free-store , while malloc/free operations use the heap . I'd like to know if there is an actual difference, in practice. Do compilers make a distinction between the two terms? ( Free store and Heap , not new/malloc ) ...
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Finding row index containing maximum value using R

Given the following matrix lets assume I want to find the maximum value in column two: 3 Answers ...
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rails 3 validation on uniqueness on multiple attributes

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MySQL Select all columns from one table and some from another table

How do you select all the columns from one table and just some columns from another table using JOIN? In MySQL. 4 Answers ...