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How to stretch the background image to fill a div
I want to set a background image to different divs, but my problems are:
10 Answers
10...
MySQL with Node.js
...,
});
connection.connect(function(err) {
// connected! (unless `err` is set)
});
Queries:
var post = {id: 1, title: 'Hello MySQL'};
var query = connection.query('INSERT INTO posts SET ?', post, function(err, result) {
// Neat!
});
console.log(query.sql); // INSERT INTO posts SET `id` = 1, `...
Changing the maximum length of a varchar column?
...E TABLE time). There the default nullability depends on the ANSI_NULL_DFLT settings.
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Determine if $.ajax error is a timeout
I'm utilizing the magic of jQuery.ajax( settings ) .
1 Answer
1
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Convert two lists into a dictionary
...expect it to, @FernandoWittmann. {thing} is syntactic sugar to construct a set() containing one element. {*iterable} is syntactic sugar to construct a set containing several elements. {k:v} or {**mapping} will construct a dict, but that's syntactically quite distinct.
– Dan Len...
Plot two graphs in same plot in R
...ss to graphical object on every stage of plotting. Say, usual step-by-step setup can look like this:
g <- ggplot(df, aes(x))
g <- g + geom_line(aes(y=y1), colour="red")
g <- g + geom_line(aes(y=y2), colour="green")
g
g produces the plot, and you can see it at every stage (well, after cre...
spring boot default H2 jdbc connection (and H2 console)
...b with a blank username and blank password. localhost:8082 works with this setup.
– Splaktar
Nov 26 '14 at 23:28
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How to get a variable value if variable name is stored as string?
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X=foo
Y=X
eval "Z=\$$Y"
sets Z to "foo"
Take care using eval since this may allow accidential excution of code through values in ${Y}. This may cause harm through code injection.
For example
Y="\`touch /tmp/eval-is-evil\`"
would create /tmp/eva...
ssh: Could not resolve hostname [hostname]: nodename nor servname provided, or not known
I am trying to set up a VPN with a Raspberry Pi, and the first step is gaining the ability to ssh into the device from outside my local network. For whatever reason, this is proving to be impossible and I haven't the slightest clue why. When I try to ssh into my server with user@hostname , I ge...
Can I position an element fixed relative to parent? [duplicate]
...aScript to find the parent's position relative to the viewport first, then set the child (fixed) element's position accordingly.
ALTERNATIVE: Some browsers have sticky CSS support which limits an element to be positioned within both its container and the viewport. Per the commit message:
sticky...