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Overriding a Rails default_scope
... Pär WieslanderPär Wieslander
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The maximum value for an int type in Go
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https://groups.google.com/group/golang-nuts/msg/71c307e4d73024ce?pli=1
The germane part:
Since integer types use two's complement arithmetic, you can infer the
min/max constant values for int and uint. For example,
const MaxUint = ^uint(0)
const MinUint = 0
const MaxIn...
Best way to initialize (empty) array in PHP
...that may look like functions but aren't treated as such. Even with PHP 5.4, which supports [] as an alternative, there is no difference in overhead because, as far as the compiler/parser is concerned, they are completely synonymous.
// Before 5.4, you could only write
$array = array(
"foo" =&...
When should null values of Boolean be used?
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14 Answers
14
Active
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Strings in a DataFrame, but dtype is object
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4 Answers
4
Active
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What's the difference between ConcurrentHashMap and Collections.synchronizedMap(Map)?
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428
For your needs, use ConcurrentHashMap. It allows concurrent modification of the Map from sever...
In Docker, what's the difference between a container and an image? [duplicate]
...e us an interactive bash shell.
$ docker run -i -t ubuntu /bin/bash
root@48cff2e9be75:/# ls
bin boot dev etc home lib lib64 media mnt opt proc root run sbin srv sys tmp usr var
root@48cff2e9be75:/# cat > foo
This is a really important file!!!!
root@48cff2e9be75:/# exit
Don't...
What does an exclamation mark mean in the Swift language?
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534
What does it mean to "unwrap the instance"? Why is it necessary?
As far as I can work out (...
Add table row in jQuery
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answered Oct 4 '08 at 21:49
Luke BennettLuke Bennett
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Detect viewport orientation, if orientation is Portrait display alert message advising user of instr
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Donald Duck
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answered Feb 7 '11 at 3:10
tobyodaviestobyodav...