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PostgreSQL - max number of parameters in “IN” clause?
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answered Jun 18 '09 at 0:19
Jordan S. JonesJordan S. Jones
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Interpolating a string into a regex
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answered Sep 29 '08 at 18:53
Jonathan LonowskiJonathan Lonowski
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How can one print a size_t variable portably using the printf family?
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12 Answers
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Active
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How can I find the number of days between two Date objects in Ruby?
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10 Answers
10
Active
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ALTER TABLE to add a composite primary key
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answered Jan 14 '12 at 1:24
Adrian CornishAdrian Cornish
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[A]System.Web.WebPages.Razor.Configuration.HostSection cannot be cast to… web.config issue
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I am using VS2013, MVC 5.2.2.0, Web Api 2. I have just changed the all versions from 2.0.0.0 to 3.0.0.0 of the following section of Web.config resides inside the View folder of my project.
<configSections>
<sectionGroup name="syst...
How to get the position of a character in Python?
...e two is what happens when the search string isn't found. find() returns -1 and index() raises ValueError.
Using find()
>>> myString = 'Position of a character'
>>> myString.find('s')
2
>>> myString.find('x')
-1
Using index()
>>> myString = 'Position of a...
How to debug stream().map(…) with lambda expressions?
... the elements of the stream:
List<Integer> naturals = Arrays.asList(1,2,3,4,5,6,7,8,9,10,11,12,13);
naturals.stream()
.map(n -> n * 2)
.peek(System.out::println)
.collect(Collectors.toList());
UPDATE:
I think you're getting confused because map is an intermediate operation -...
What does ||= (or-equals) mean in Ruby?
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174
This question has been discussed so often on the Ruby mailing-lists and Ruby blogs that there ...
In Scala, what exactly does 'val a: A = _' (underscore) mean?
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144
val a: A = _ is a compile error. For example:
scala> val a: String = _
<console>:1: ...