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Can you supply arguments to the map(&:method) syntax in Ruby?
...w(c d)].map(&:inject.with(&:+))
# => ["ab", "cd"]
[(1..5), (6..10)].map(&:map.with(&:*.with(2)))
# => [[2, 4, 6, 8, 10], [12, 14, 16, 18, 20]]
Here is a conversation I had with @ArupRakshit explaining it further:
Can you supply arguments to the map(&:method) syntax in R...
StackOverflow程序员推荐：每个程序员都应读的30本书 - 杂谈 - 清泛网 - 专...
...就有国内网友介绍这个程序员书单，不过都是推荐数 Top 10的书。其实除了前10本之外，推荐数前30左右的书籍都算经典，伯乐在线整理编译这个问答贴，同时摘译部分推荐人的评语。下面就按照各本书的推荐数排列。
1. 《代码...
Finding row index containing maximum value using R
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yoyoyoyosefyoyoyoyosef
6,11088 gold badges3434 silver badges3939 bronze badges
...
How to bind 'touchstart' and 'click' events but not respond to both?
...ouch.
Bind to both, but make a flag so the function only fires once per 100ms or so.
var flag = false;
$thing.bind('touchstart click', function(){
if (!flag) {
flag = true;
setTimeout(function(){ flag = false; }, 100);
// do something
}
return false
});
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How do you query for “is not null” in Mongo?
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10 Answers
10
Active
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What must I know to use GNU Screen properly? [closed]
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I've been using Screen for over 10 years and probably use less than half the features. So it's definitely not necessary to learn all its features right away (and I wouldn't recommend trying). My day-to-day commands are:
^A ^W - window list, where am I
^A ^...
Difference between Dictionary and Hashtable [duplicate]
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Gabe
77.9k1010 gold badges128128 silver badges223223 bronze badges
answered May 18 '09 at 7:56
Marc Gravell♦M...
How to upgrade Git to latest version on macOS?
... /usr/local/git/bin/git, which means the above method should still work on 10.8.4.
– kmikael
Jun 25 '13 at 9:16
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How do you serialize a model instance in Django?
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answered Jul 20 '10 at 10:31
xaralisxaralis
3,97611 gold badge1919 silver badges2020 bronze badges
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How to simulate Server.Transfer in ASP.NET MVC?
...te' event is raised.
– Andy
Nov 13 '10 at 20:50
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