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How to fix error with xml2-config not found when installing PHP from sources?
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439
All you need to do instal install package libxml2-dev for example:
sudo apt-get install libxm...
Update a column value, replacing part of a string
...ytro ShevchenkoDmytro Shevchenko
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How to set Python's default version to 3.x on OS X?
...he commands in most shells, Since the default shells in macOS (bash in 10.14 and below; zsh in 10.15) share a similar syntax. You could put
alias python='python3'
in your ~/.profile, and then source ~/.profile in your ~/.bash_profile and/or your~/.zsh_profile with a line like:
[ -e ~/.profile...
When is memoization automatic in GHC Haskell?
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4 Answers
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is not JSON serializable
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cyph3rn3tz
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answered May 28 '13 at 11:04
alecxealecxe
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How can I divide two integers to get a double?
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474
You want to cast the numbers:
double num3 = (double)num1/(double)num2;
Note: If any of the ...
How to succinctly write a formula with many variables from a data frame?
... a formula to mean all the variables, it is the . identifier.
y <- c(1,4,6)
d <- data.frame(y = y, x1 = c(4,-1,3), x2 = c(3,9,8), x3 = c(4,-4,-2))
mod <- lm(y ~ ., data = d)
You can also do things like this, to use all variables but one (in this case x3 is excluded):
mod <- lm(y ~ . ...
Git: Pull from other remote
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254
git pull is really just a shorthand for git pull <remote> <branchname>, in most case...
How to format time since xxx e.g. “4 minutes ago” similar to Stack Exchange sites
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return Math.floor(interval) + " months";
}
interval = seconds / 86400;
if (interval > 1) {
return Math.floor(interval) + " days";
}
interval = seconds / 3600;
if (interval > 1) {
return Math.floor(interval) + " hours";
}
interval = seconds / 60;
if (interval >...