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rvm installation not working: “RVM is not a function”
... you need to check the option "Run as login shell" in the Gnome terminal's settings. It is required to open new terminal after this setting the flag.
Sometimes it is required to set the command to /bin/bash --login.
For remote connections it is important to understand the differene between runni...
How to scale down a range of numbers with a known min and max value
...-30. I have methods that find the minimum and maximum values from my data set, but I won't have the min and max until runtime. Is there an easy way to do this?
...
Pandas - How to flatten a hierarchical index in columns
...
I think the easiest way to do this would be to set the columns to the top level:
df.columns = df.columns.get_level_values(0)
Note: if the to level has a name you can also access it by this, rather than 0.
.
If you want to combine/join your MultiIndex into one Index (...
Detach (move) subdirectory into separate Git repository
I have a Git repository which contains a number of subdirectories. Now I have found that one of the subdirectories is unrelated to the other and should be detached to a separate repository.
...
How to add “on delete cascade” constraints?
... editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
...
Are inline virtual functions really a non-sense?
...rtually.
The same principle exists for base class constructors or for any set of functions where the derived implementation also calls the base classes implementation.
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How to find list intersection?
...ot important and you don't need to worry about duplicates then you can use set intersection:
>>> a = [1,2,3,4,5]
>>> b = [1,3,5,6]
>>> list(set(a) & set(b))
[1, 3, 5]
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Haskell composition (.) vs F#'s pipe forward operator (|>)
In F#, use of the the pipe-forward operator, |> , is pretty common. However, in Haskell I've only ever seen function composition, (.) , being used. I understand that they are related , but is there a language reason that pipe-forward isn't used in Haskell or is it something else?
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How can we make xkcd style graphs?
...ave read in fonts (see previous answer on how to do this)
loadfonts()
### Set up the trial dataset
data <- NULL
data$x <- seq(1, 10, 0.1)
data$y1 <- sin(data$x)
data$y2 <- cos(data$x)
data$xaxis <- -1.5
data <- as.data.frame(data)
### XKCD theme
theme_xkcd <- theme(
pane...
How to extract a git subdirectory and make a submodule out of it?
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# move the folder at prefix to a new branch
git subtree split --prefix=Assets/SoArchitecture --branch=so-package
# create a new repository out of the newly made branch
mkdir ~/Documents/_Shawn/UnityProjects/SoArchitecture
pushd ~/Documents/_Shawn/UnityProjects/SoArchitecture
git init
git pull ~/D...