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What is the difference between pluck and collect in Rails?
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In Rails 4, if you only need the id, use .ids Ref doc: api.rubyonrails.org/classes/ActiveRecord/…
– Ivan Chau
Mar 29 '15 at 15:52
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Do spurious wakeups in Java actually happen?
...nal condition as it is suggested in java doc docs.oracle.com/javase/6/docs/api/java/lang/… ?
– gumkins
Mar 18 '15 at 21:45
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Firefox Web Console Disabled?
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Here is a JavaScript workaround I used to restore console API after it was set to empty function by a script on the page (works in Firefox 46, tested in Firebug and in greasemonkey script):
function restoreConsole() {
var i = document.createElement('iframe');
i.style.displa...
Include CSS,javascript file in Yii Framework
... 'jquery'=>array(
'baseUrl'=>'//ajax.googleapis.com/ajax/libs/jquery/1/',
'js'=>array('jquery.min.js'),
)
),
),
// ...
),
Using getClientScript
Usually, We add in block of code into Controller or ...
How to measure code coverage in Golang?
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It's right here, some docs here.
$ go tool
6a
6c
6g
6l
addr2line
api
cgo
cov
dist
ebnflint
fix
gotype
nm
objdump
pack
pprof
prof
vet
yacc
$ go tool cov -h
usage: cov [-lsv] [-g substring] [-m minlines] [6.out args...]
-g specifies pattern of interesting functions or files
go tool cov: exit...
How do I turn a String into a InputStreamReader in java?
...weird as Java 1.4 introduced NIO and it makes little sense to introduce an API and its conceptional successor within the same version.
– Holger
Mar 31 '15 at 11:00
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Does Java have a HashMap with reverse lookup?
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There is no such class in the Java API. The Apache Commons class you want is going to be one of the implementations of BidiMap.
As a mathematician, I would call this kind of structure a bijection.
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JavaScript string newline character?
...carriage return. CR should never be used on its own, although most Windows apis and apps will parse it as a newline. LF works just as well in Windows too. CR is just an artifact from the time when computers were merely electronic typewriters.
– GolezTrol
Jul 18...
Using curl POST with variables defined in bash script functions
...can post data from a file, and employ heredocs to avoid excessive quote escaping and clearly break the JSON out onto new lines. However there is no need to define a function or capture output from cat, because curl can post data from standard input. I find this form very readable:
curl -X POST -H '...
Detecting when a div's height changes using jQuery
...s would be to use a MutationObserver: developer.mozilla.org/en-US/docs/Web/API/MutationObserver
– Christian Bankester
Sep 30 '15 at 13:08
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