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How to get the first item from an associative PHP array?
If I had an array like:
15 Answers
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Is there an expression for an infinite generator?
Is there a straight-forward generator expression that can yield infinite elements?
7 Answers
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How do I force git pull to overwrite everything on every pull?
...he ideal way to do this is to not use pull at all, but instead fetch and reset:
git fetch origin master
git reset --hard FETCH_HEAD
git clean -df
(Altering master to whatever branch you want to be following.)
pull is designed around merging changes together in some way, whereas reset is designed...
How to use the C socket API in C++ on z/OS
I'm having issues getting the C sockets API to work properly in C++ on z/OS .
9 Answers
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How do I “git blame” a deleted line?
...s - three dots means "r1 r2 --not $(git merge-base --all r1 r2). It is the set of commits that are reachable from either one of r1 (left side) or r2 (right side), but not from both." - source: "man gitrevisions"
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How to extract request http headers from a request using NodeJS connect
...t about it being case sensitive all headers are lower-cased. So if you are setting the header "Origin" (capital 'O') then the only element in the request headers collection will be "origin" with a lowercase 'o'.
– rob
Jun 9 '17 at 9:43
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How do I test if a string is empty in Objective-C?
How do I test if an NSString is empty in Objective-C?
30 Answers
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I can not find my.cnf on my windows computer [duplicate]
...le as soon as possible!
See also http://dev.mysql.com/doc/refman/5.7/en/resetting-permissions.html
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Setting individual axis limits with facet_wrap and scales = “free” in ggplot2
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You can also specify the range with the coord_cartesian command to set the y-axis range that you want, an like in the previous post use scales = free_x
p <- ggplot(plot, aes(x = pred, y = value)) +
geom_point(size = 2.5) +
theme_bw()+
coord_cartesian(ylim = c(-20, 80))
p ...
What is the difference between statically typed and dynamically typed languages?
... a statically typed language variables' types are static, meaning once you set a variable to a type, you cannot change it. That is because typing is associated with the variable rather than the value it refers to.
For example in Java:
String str = "Hello"; //variable str statically typed as str...