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Service Engineer/System Administrator Interview Questions
This is not my code alone. It was the group effort of Vivek Ram, Cijo George, Sandeep Unni and mine during our epic preparation for Yahoo!. I am just putting it open for others who would be looking for this information. Convert all lower case to up …
Operator Preference Grouping Order in C
Here is a compilation of how the preference of operators are Left to Right grouping or Right to Left grouping in C. Level Operator Description Grouping 1 :: scope Left-to-right 2 () [] . -> ++ — dynamic_cast static_cast reinte …
Important MySQL DBA Interview Questions
Here are a few sets of interview questions expected for MySQL DBA position.These are compilation of the usual questions from various DBA texts: What is Log Switch? – The point at which ORACLE ends writing to one online redo log file and begins writin …
Installing Django on Dreamhost
Installing Django in Dreamhost and getting it to run wasn’t straight forward at-least to me. There was lot of issues such as python bin directory not accessible as its shared and so. So the initial step in this to setup python yourself so that you can …
Get the nth Word from a text field in mysql
I had a requirement to get the nth word out of a string and sort or order by the same. This is used when the text is stored in a purticular format and you would want to order it according to that or group it or so on. So how is it done? We do it us …
Display row number in Mysql Select Query
How many times did want to have the row number or the position of the row in the selected query? I had many cases where I needed this feature. I needed the feature for printing the rank of a person where each row is the mark of the person. So lets see how …
Customizing Mysql Prompt For multiple Servers
If you are using mysql regularly on multiple servers its really useful to have the promt in mysql to show something more than mysql>. It would be useful if it showed the username,hostname, current database and things like that. So how to do this. …
Generate Date from a range in Mysql and pad the results where no date is present
If you want to generate dates, MYSQL doesn’t have a range function, so I wrote a work around for the same. So how it works is I have reused a code to generate numbers from my previous post. So I added date function to that query and reduce the generated …
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