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MySQL show current connection info
I am in a MySQL terminal session but I don't know what server I am connected to, or what database I am connected to.
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How do I browse an old revision of a Subversion repository through the web view?
... project's Subversion repository through its web front-end, but it seems that I can only browse the latest revision of the trunk. Is there a way to browse an older revision of the trunk through the web UI?
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Getting a random value from a JavaScript array
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24 Answers
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Get first n characters of a string
How can I get the first n characters of a string in PHP? What's the fastest way to trim a string to a specific number of characters, and append '...' if needed?
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MySQL - Get row number on select
Can I run a select statement and get the row number if the items are sorted?
5 Answers
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Track the time a command takes in UNIX/LINUX?
In UNIX/LINUX, is there an easy way to track the time a command takes?
3 Answers
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Storing R.drawable IDs in XML array
I would like to store drawable resources' ID in the form of R.drawable.* inside an array using an XML values file, and then retrieve the array in my activity.
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How to remove space between axis & area-plot in ggplot2?
I have the following dataframe:
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Pandas get topmost n records within each group
Suppose I have pandas DataFrame like this:
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Why can't I forward-declare a class in a namespace using double colons?
Why do I have to do this?:
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