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Determine the data types of a data frame's columns
...ome data:
set.seed(3221) # this makes the example exactly reproducible
my.data <- data.frame(y=rnorm(5),
x1=c(1:5),
x2=c(TRUE, TRUE, FALSE, FALSE, FALSE),
X3=letters[1:5])
@Wilmer E Henao H's solution is very streamlined: ...
How to execute a java .class from the command line
... the root directory, not the package subdirectories. e.g. if your class is my.package.Echo and the .class file is bin/my/package/Echo.class, the correct classpath directory is bin.
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Code Golf - π day
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my <eyes></eyes>! The goggles, they <do>nothing</do>!
– Jimmy
Mar 16 '10 at 1:52
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How to correctly save instance state of Fragments in back stack?
...ny instances of a similar question on SO but no answer unfortunately meets my requirements.
6 Answers
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Including non-Python files with setup.py
...otes it "isn't tested", can anyone else confirm whether it works for them? My LICENSE file is included in the sdist, but not installed when I run "python setup.py install" nor "pip install Package"
– Jonathan Hartley
Feb 12 '12 at 11:07
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Which icon sizes should my Windows application's icon include?
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See my answer here (stackoverflow.com/questions/12385143/…) but if you compress the 256x256 image in the .ico file ... Windows XP systems will have trouble opening the file. You will get a FileFormatException with HRESULT 0x889...
Best practices for in-app database migration for Sqlite
I am using sqlite for my iphone and I anticipate the database schema might change over time. What are the gotchas, naming conventions and things to watch out for to do a successful migration each time?
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Why is System.Web.Mvc not listed in Add References?
...finition does not match the assembly reference). I have another project in my solution referencing a different version, and this method only allowed me to add a reference to System.Web.Mvc, Version=4.0.0.0. The NuGet install method added the correct version
– NJS
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Error: This Android SDK requires Android Developer Toolkit version 22.6.1 or above
...solve it by doing the following:
Downloaded latest ADT (Win x64)
Deleted my old ADT install (It got bugged when I simply tried to overwrite the existing files) - see this google issue
Copied the zip file to C:\ (since it was complaining about too long filenames while unpacking)
Unpacked to my ADT ...
How to auto-center jQuery UI dialog when resizing browser?
...window).resize(function() {
$("#dialog").dialog("option", "position", {my: "center", at: "center", of: window});
});
Here's that same jQuery UI demo page adding only the code above, we're just adding a handler to the window's resize event with .resize(), so it triggers the re-center at the app...