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Loop through an array in JavaScript
...e, that property will also be enumerated.
For example:
Array.prototype.foo = "foo!";
var array = ['a', 'b', 'c'];
for (var i in array) {
console.log(array[i]);
}
The above code will console log "a", "b", "c", and "foo!".
That can be particularly a problem if you use some library that ...
Is there any Rails function to check if a partial exists?
....0.10 I found that if I have an alternate extension, like app/views/posts/_foo.txt.erb, I needed to add that to the argument as: template_exists?("foo.txt", "posts", true)
– Gabe Martin-Dempesy
Oct 27 '11 at 22:25
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How do you find the disk size of a Postgres / PostgreSQL table and its indexes
... JOIN pg_stat_all_indexes psai ON x.indexrelid = psai.indexrelid )
AS foo
ON t.tablename = foo.ctablename
WHERE t.schemaname='public'
ORDER BY 1,2;
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How to define custom configuration variables in rails
... target a specific environment) :
YourApp::Application.config.yourKey = 'foo'
This will be accessible in controller or views like this:
YourApp::Application.config.yourKey
(YourApp should be replaced by your application name.)
Note: It's Ruby code, so if you have a lot of config keys, you ca...
Not class selector in jQuery
...
You can use the :not filter selector:
$('foo:not(".someClass")')
Or not() method:
$('foo').not(".someClass")
More Info:
http://api.jquery.com/not-selector/
http://api.jquery.com/not/
...
Remove last item from array
...
When using pop(), be sure not to do jQuery('#foo').val(numbers.pop()), unless you only want to place the last item of the array into the field. pop() returns the element removed. As Stuart has done, first do numbers.pop(); and then do jQuery('#foo').val(numbers)...
...
Using Case/Switch and GetType to determine the object [duplicate]
... }
}
return s;
}
}
Usage:
new Switch(foo)
.Case<Fizz>
(action => { doingSomething = FirstMethodCall(); })
.Case<Buzz>
(action => { return false; })
...
How to change the font on the TextView?
...
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:foo="http://schemas.android.com/apk/res-auto"
android:orientation="vertical" android:layout_width="fill_parent"
android:layout_height="fill_parent">
<com.mypackage.TextViewPlus
android:id="@+id/text...
How to get the first element of an array?
...
var a = []; a[7] = 'foo'; alert(a[0]);
– Petah
Jun 16 '15 at 0:41
75
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Calculate a percent with SCSS/SASS
...kGinanto for px you can just add +px to the end of the line, e.g. width: ($foo + $bar) +px
– DisgruntledGoat
Mar 6 '13 at 21:52
2
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