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jQuery: Select data attributes that aren't empty?
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How to shrink/purge ibdata1 file in MySQL
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That ibdata1 isn't shrinking is a particularly annoying feature of MySQL. The ibdata1 file can't actually be shrunk unless you delete all databases, remove the files and reload a dump.
But you can configure MySQL so that each table, in...
Why use symbols as hash keys in Ruby?
...hed keys" against each other.
Long answer:
https://web.archive.org/web/20180709094450/http://www.reactive.io/tips/2009/01/11/the-difference-between-ruby-symbols-and-strings
http://www.randomhacks.net.s3-website-us-east-1.amazonaws.com/2007/01/20/13-ways-of-looking-at-a-ruby-symbol/
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How do I find a specific table in my EDMX model quickly?
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179
Click in an open area of the designer:
Go to the Properties tab:
In the dropdown box at...
What is the difference between .text, .value, and .value2?
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.Text gives you a string representing what is displayed on the screen for the cell. Using .Text ...
How to name variables on the fly?
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118
Use assign:
assign(paste("orca", i, sep = ""), list_name[[i]])
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Tools to selectively Copy HTML+CSS+JS From A Specific Element of DOM [closed]
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Chrome's remote debugging (USB debugging) not working for Samsung Galaxy S3 running android 4.3
Ever since I upgraded my Samsung Galaxy S3 to android 4.3 (from 4.1.2) I am unable to use Chrome's remote debugging for android (more details here ).
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How do you truncate all tables in a database using TSQL?
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17 Answers
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How does the HyperLogLog algorithm work?
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156
The main trick behind this algorithm is that if you, observing a stream of random integers, se...