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Is There a Better Way of Checking Nil or Length == 0 of a String in Ruby?
...y than the following to check to see if a string is nil OR has a length of 0 in Ruby?
16 Answers
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In C++, what is a “namespace alias”?
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answered Jul 31 '09 at 8:55
community wiki
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What do I return if the return type of a method is Void? (Not void!)
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104
So what am I supposed to return if the return type of a function has to be Void?
Use retu...
Is there a way to suppress JSHint warning for one given line?
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Yes, there is a way. Two in fact. In October 2013 jshint added a way to ignore blocks of code like this:
// Code here will be linted with JSHint.
/* jshint ignore:start */
// Code here will be ignored by JSHint.
/* jshint ignore:end */
// Code here will be linted with ...
How do I accomplish an if/else in mustache.js?
...ops." Yeeeeaaaaaa....
– boxed
Nov 10 '15 at 13:25
7
@boxed, technically you're right, the invert...
How do I include inline JavaScript in Haml?
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ArnoHolo
30122 silver badges1313 bronze badges
answered Mar 16 '12 at 20:37
bcoughlanbcoughlan
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Check if a Postgres JSON array contains a string
...te: Here's a demonstration of the performance improvements on a table of 1,000,000 rabbits where each rabbit likes two foods and 10% of them like carrots:
d=# -- Postgres 9.3 solution
d=# explain analyze select info->>'name' from rabbits where exists (
d(# select 1 from json_array_elements(in...
How can I use map and receive an index as well in Scala?
...")
scala> ls.zipWithIndex.foreach{ case (e, i) => println(i+" "+e) }
0 Mary
1 had
2 a
3 little
4 lamb
From: http://www.artima.com/forums/flat.jsp?forum=283&thread=243570
You also have variations like:
for((e,i) <- List("Mary", "had", "a", "little", "lamb").zipWithIndex) println(i+"...
What is pluginManagement in Maven's pom.xml?
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304
You still need to add
<plugins>
<plugin>
<groupId>org.apache.ma...
Difference between RegisterStartupScript and RegisterClientScriptBlock?
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edited May 27 '14 at 19:20
KyleMit
54.2k4747 gold badges332332 silver badges499499 bronze badges
answer...