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Aggregate / summarize multiple variables per group (e.g. sum, mean)
...ame, is there a easy way to aggregate ( sum , mean , max et c) multiple variables simultaneously?
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Django - How to rename a model field using South?
I would like to change a name of specific fields in a model:
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How to get the client IP address in PHP [duplicate]
How can I get the client IP address using PHP?
30 Answers
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Disable all table constraints in Oracle
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It is better to avoid writing out temporary spool files. Use a PL/SQL block. You can run this from SQL*Plus or put this thing into a package or procedure. The join to USER_TABLES is there to avoid view constraints.
It's unlikely that you really want to...
How can I debug javascript on Android?
I'm working on a project that involves Raphaeljs. Turns out, it doesn't work on Android. It does on the iPhone.
18 Answer...
How do I include a pipe | in my linux find -exec command?
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Fixing JavaScript Array functions in Internet Explorer (indexOf, forEach, etc.) [closed]
...where , and otherwise apparently well-known, Internet Explorer (definitely version 7, and in some instances, version 8) do not implement key functions, in particular on Array (such as forEach , indexOf , etc).
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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.
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Performing Breadth First Search recursively
...ay you wanted to implement a breadth-first search of a binary tree recursively . How would you go about it?
21 Answers
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