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Determining type of an object in ruby
...he object, it returns its class. The name should be a dead giveaway. Class and Type are two completely different concepts in OO.
– Jörg W Mittag
Apr 2 '13 at 22:57
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How do I change the background color of a plot made with ggplot2
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See here for more theme details Quick reference sheet for legends, axes and themes.
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ASP.NET Temporary files cleanup
...y .NET applications you run on the server.
For background, see the Understanding ASP.NET dynamic compilation article on MSDN.
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What does the WPF star do (Width=“100*”)
...Height="*" means proportional sizing.
For example: to give 30% to column 1 and 70% to column 2 -
<ColumnDefinition Width="3*" />
<ColumnDefinition Width="7*" />
And likewise for rows -
<RowDefinition Height="3*" />
<RowDefinition Height="7*" />
The numbers do not have...
UTF-8, UTF-16, and UTF-32
What are the differences between UTF-8, UTF-16, and UTF-32?
12 Answers
12
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Add querystring parameters to link_to
...e an Index view, for example, that has UI elements for sorting, filtering, and pagination (via will_paginate). The will_paginate plugin manages the intra-page persistence of querystring parameters correctly.
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0.1 float is greater than 0.1 double. I expected it to be false [duplicate]
...hen converting the double to float. float has 24 binary bits of precision, and double has 53. In binary, 0.1 is:
0.1₁₀ = 0.0001100110011001100110011001100110011001100110011…₂
^ ^ ^ ^
1 10 20 24
So if we round up at the 24th digit, ...
Superscript in markdown (Github flavored)?
... to write O(n^2) sensibly, I would just type O(n<sup>2</sup>), and it would appear as O(n<sup>2</sup>). Nice. Now why didn't that work on SO markdown?
– phonetagger
Apr 2 '15 at 17:19
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Use Expect in a Bash script to provide a password to an SSH command
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Mixing Bash and Expect is not a good way to achieve the desired effect. I'd try to use only Expect:
#!/usr/bin/expect
eval spawn ssh -oStrictHostKeyChecking=no -oCheckHostIP=no usr@$myhost.example.com
# Use the correct prompt
set prompt...
What does the caret (^) character mean?
...that git commits can have more than one parent. HEAD^ is short for HEAD^1, and you can also address HEAD^2 and so on as appropriate.
You can get to parents of any commit, not just HEAD. You can also move back through generations: for example, master~2 means the grandparent of the tip of the master ...