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“for” vs “each” in Ruby
...speaking) keywords don't create new scopes. if, unless, begin, for, while, etc. all work with the current scope. #each however accepts a block. Blocks always add their own scope on top of the current scope. Meaning that declaring a new variable in the block (thus a new scope) will not be accessible ...
Reverse of JSON.stringify?
... prototypes) and only the datatypes supported by JSON (no dates, XML, HTML etc. ) then you're OK.
– Michael Anderson
May 27 '13 at 0:17
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System.currentTimeMillis() vs. new Date() vs. Calendar.getInstance().getTime()
... are inherent to dates and times (leap years, daylight savings, timezones, etc.).
It's generally a good idea to deal only with long timestamps or Date objects within your application, and only use Calendar when you actually need to perform date/time calculations, or to format dates for displaying t...
What does the “>” (greater-than sign) CSS selector mean?
...K everywhere else. This resource is esp. useful for siblings, :nth-child() etc where support is still incomplete
– FelipeAls
Jul 12 '10 at 4:59
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How to get value of selected radio button?
... checkbox , you can use other attributes to get value like name = gender etc. please go through below snippet definitely it will helpful to you,
Solution
document.mainForm.onclick = function(){
var gender = document.querySelector('input[name = gender]:checked').value;
result.inn...
Object.watch() for all browsers?
...him for this a while ago. It works in IE8, Safari, Chrome, Firefox, Opera, etc.
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LinearLayout not expanding inside a ScrollView
...- LinearLayout(child of ScrollView)-- add here textView, Buttons , spinner etc whatever u want . Then add this LinearLyout to ScrollView. Bcoz only one CHILD for ScrollView applicable and last add this ScrollView to LinearLyout.If defined area is exceed from Screen size then u will get a Scroll with...
How to capture a list of specific type with mockito
...e
List<SomeType> list = argument.getValue(); // first captured List, etc.
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Logical Operators, || or OR?
...ean. If it returns a value PHP considers truthy (true, a non-empty string, etc.), it will not call die().
– Matthew Ratzloff
Nov 1 '13 at 17:20
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Does Python support short-circuiting?
... it's not just 0, it's 0.0, 0j, decimal.Decimal(0), fractions.Fraction(0), etc.), as are all collections with length 0 (so on top of what you listed, b'' [Py3], u'' [Py2] and set()/frozenset() are all built-ins that evaluate as falsy), but user-defined/third-party types can define their own (with __...