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Memcached vs. Redis? [closed]

... Use Redis if You require selectively deleting/expiring items in the cache. (You need this) You require the ability to query keys of a particular type. eq. 'blog1:posts:*', 'blog2:categories:xyz:posts:*'. oh yeah! this is very important. Use this to i...
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Save Screen (program) output to a file

... The selected answer doesn't work quite well with multiple sessions and doesn't allow to specify a custom log file name. For multiple screen sessions, this is my formula: Create a configuration file for each process: logfile t...
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CodeIgniter: Create new helper?

... $ci=& get_instance(); $ci->load->database(); $sql = "select * from table"; $query = $ci->db->query($sql); $row = $query->result(); } share | improve this ans...
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Real-world examples of recursion [closed]

...( because you want to stop this fast ). After processing a given person, select the person from the front of the queue and apply immunization if needed. Get all their contacts previously unvisited, and then test to see if they're infected. Repeat until the queue of infected people becomes 0, and...
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How do I restore a dump file from mysqldump?

... following these steps… Open MySQL Administrator and connect to server Select "Catalogs" on the left Right click in the lower-left box and choose "Create New Schema" MySQL Administrator http://img204.imageshack.us/img204/7528/adminsx9.th.gif enlarge image Name the new schema (example: "dbn") ...
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How do I POST urlencoded form data with $http without jQuery?

...s the AngularJS-specific answer I was looking for. I wish the poster would select this as the best answer. – Marty Chang May 1 '16 at 4:08  |  ...
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How to determine programmatically whether a particular process is 32-bit or 64-bit

... The selected answer is incorrect as it doesn't do what was asked. It checks if a process is a x86 process running on x64 OS instead; so it will return "false" for a x64 process on x64 OS or x86 process running on x86 OS. Also, it...
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MySQL how to join tables on two fields

... SELECT * FROM t1 JOIN t2 USING (id, date) perhaps you'll need to use INNEER JOIN or where t2.id is not null if you want results only matching both conditions ...
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ERROR 1452: Cannot add or update a child row: a foreign key constraint fails

... table. Following query would be helpful to fetch those non-matching rows: SELECT child_table.* FROM child_table LEFT JOIN parent_table ON parent_table.referenced_column = child_table.referencing_column WHERE parent_table.referenced_column IS NULL Now, you can generally do one (or more) of th...
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How to get a table cell value using jQuery?

...p the class attribute with it. By the way, I think you could do it in one selector: $('#mytable .customerIDCell').each(function() { alert($(this).html()); }); If that makes things easier. share | ...