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Create directory if it does not exist
...at\May\Or\May\Not\Exist
You can use Test-Path -PathType Container to check first.
See the New-Item MSDN help article for more details.
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Python - How to sort a list of lists by the fourth element in each list? [duplicate]
I would like to sort the following list of lists by the fourth element (the integer) in each individual list.
2 Answers
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What is :: (double colon) in Python when subscripting sequences?
I know that I can use something like string[3:4] to get a substring in Python, but what does the 3 mean in somesequence[::3] ?
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Convert Set to List without creating new List
... see that if you want to have a Map with Lists as values, in order to have k different values, you need to create k different lists.
Thus: You cannot avoid creating these lists at all, the lists will have to be created.
Possible work around:
Declare your Map as a Map<String,Set> or Map<Str...
Create two blank lines in Markdown
I am adding Markdown support to my CMS editor.
15 Answers
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Samples of Scala and Java code where Scala code looks simpler/has fewer lines?
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Let's improve stacker's example and use Scala's case classes:
case class Person(firstName: String, lastName: String)
The above Scala class contains all features of the below Java class, and some more - for example it supports pattern matchi...
Java: Integer equals vs. ==
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The JVM is caching Integer values. Hence the comparison with == only works for numbers between -128 and 127.
Refer: #Immutable_Objects_.2F_Wrapper_Class_Caching
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A Java collection of value pairs? (tuples?)
I like how Java has a Map where you can define the types of each entry in the map, for example <String, Integer> .
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Algorithm to find top 10 search terms
... preparing for an interview, and it reminded me of a question I was once asked in a previous interview that went something like this:
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How do I convert a dictionary to a JSON String in C#?
...ert my Dictionary<int,List<int>> to JSON string. Does anyone know how to achieve this in C#?
13 Answers
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