Drupal 6 only allows you to set the comment preview button be either “Required” or “Optional”, but does not allow you to turn it off totally. But you can turn it off easily by updating your theme’s CSS file. To hide the preview button, add the following to your theme’s …
If you have two HDFS cluster operating on two different places (production vs alpha for example), sometimes you might want to copy some data from one cluster to another. To do it is easy using Hadoop’s internal “distcp” command: We have the following directory structure in the source: The end …
OK, this is what I need to solve. Given an array of the following elements: I want to get the following combinations: It is quite obvious that I will need a recursive function to do this, but it is not straightforward to start writing the function straightaway. With the hope …
Today, one of the tasks involved at work required me to solve the problem outlined in the title of this post. For example, given an array of (‘red’, ‘blue’, ‘green’), we want to return the following: Initially my first impression was to use recursive function call, but it turned out …
My new Snowflake Blog is now live. I will not be updating this blog anymore but will continue with new contents in the Snowflake world!