In Ruby code, often it is observed that coder uses a short hand form of using an expression like array.map(&:method_name) instead of array.map { |element| element.method_name }. How this trick actually works?

5

In Over time scenarios we have TW15 subschema,my doubt is it's work for positive time or negetive time,if it is negetive ,In pa30 how to maintain hours in 2002 with attendence type ,my doubt is few hours like 14 or my dws is 8 hours(S) and 6 hrs in 2002 how and how the pcr's work please explain me anybody......

2149

What is an adjust field format flag?

1183

Why are interfaces important?

939

Constructor to an arbitrary base constructor?

1033

What is session getattribute in jsp?

1007

How We Calibrate the vaccum transmitter?

2019

what are the groups of instruments?

2184

How can the codeigniter be prevented from csrf?

647

Will minecraft java be discontinued?

1226

why lightning arrestor are made in two stack of insulator but why not cvt

2120

how can client computer accounts be added to the active directory? : Windows server 2008

404

what the latest software develoment Methodologies?

2979

in which five areas under the health and safety Act 1974 does an employer have a " duty of care" to employees? which aspect of law governing health and safety is influenced by european legislation?

2098

What is meant by step-up and step-down chopper?

1228