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Where are Docker images stored on the host machine?
I managed to find the containers under directory /var/lib/docker/containers , but I can't find the images.
29 Answers
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What is the difference between the mouseover and mouseenter events?
...ittle, interactive demo that makes it very clear and you can actually see for yourself.
var i = 0;
$("div.overout")
.mouseover(function() {
i += 1;
$(this).find("span").text("mouse over x " + i);
})
.mouseout(function() {
$(this).find("span").text("mouse out ");
});
...
String comparison: InvariantCultureIgnoreCase vs OrdinalIgnoreCase? [duplicate]
...
If you really want to match only the dot, then StringComparison.Ordinal would be fastest, as there is no case-difference.
"Ordinal" doesn't use culture and/or casing rules that are not applicable anyway on a symbol like a ..
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Trying to embed newline in a variable in bash [duplicate]
...prets the two characters "\n" as a new line.
var="a b c"
first_loop=true
for i in $var
do
p="$p\n$i" # Append
unset first_loop
done
echo -e "$p" # Use -e
Avoid extra leading newline
var="a b c"
first_loop=1
for i in $var
do
(( $first_loop )) && # "((...))...
Exporting functions from a DLL with dllexport
I'd like a simple example of exporting a function from a C++ Windows DLL.
4 Answers
4
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JRE 1.7 - java version - returns: java/lang/NoClassDefFoundError: java/lang/Object
When running any java application, or just 'java', the jvm fails:
27 Answers
27
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What's the function like sum() but for multiplication? product()?
...added to the math module. See: math.prod().
Older info: Python 3.7 and prior
The function you're looking for would be called prod() or product() but Python doesn't have that function. So, you need to write your own (which is easy).
Pronouncement on prod()
Yes, that's right. Guido rejected the ide...
How do I capture bash output to the Mac OS X clipboard?
...
The pbcopy command does this.
For example, this puts the output from ls on the clipboard/pasteboard:
ls | pbcopy
And pbpaste does the reverse, writing to stdout from the clipboard:
pbpaste > ls.txt
You can use both together to filter content on th...
When to use a “has_many :through” relation in Rails?
... groups, then you could do something like this:
class Group < ActiveRecord::Base
has_many :users
end
class User < ActiveRecord::Base
belongs_to :group
end
What if you wanted to track additional metadata around the association? For example, when the user joined the group, or perhaps wh...
In Markdown, what is the best way to link to a fragment of a page, i.e. #some_id?
...e out how to reference another area of a page with Markdown. I can get it working if I add a
5 Answers
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