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ElasticSearch: Unassigned Shards, how to fix?

...enable shard allocation. # v0.90.x and earlier curl -XPUT 'localhost:9200/_settings' -d '{ "index.routing.allocation.disable_allocation": false }' # v1.0+ curl -XPUT 'localhost:9200/_cluster/settings' -d '{ "transient" : { "cluster.routing.allocation.enable" : "all" } }' Elas...
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machine learning libraries in C# [closed]

...asses: public class TrainingSet { private readonly List<string> _attributes = new List<string>(); private readonly List<List<object>> _examples = new List<List<object>>(); public TrainingSet(params string[] attributes) { _attributes.AddRang...
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Rename multiple files by replacing a particular pattern in the filenames using a shell script [dupli

...a pattern. For example following command will prepend string MyVacation2011_ to all the files with jpg extension. rename 's/^/MyVacation2011_/g' *.jpg or rename <pattern> <replacement> <file-list> sha...
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Django: Get model from string?

... As of Django 3.0, it's AppConfig.get_model(model_name, require_ready=True) As of Django 1.9 the method is django.apps.AppConfig.get_model(model_name). -- danihp As of Django 1.7 the django.db.models.loading is deprecated (to be removed in 1.9) in favor of t...
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How to read multiple text files into a single RDD?

...naws.services.s3.model.ListObjectsRequest def listFiles(s3_bucket:String, base_prefix : String) = { var files = new ArrayList[String] //S3 Client and List Object Request var s3Client = new AmazonS3Client(); var objectListing: ObjectListing = null; var listObjectsRequest = new L...
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Open URL in same window and in same tab

...eed to use the name attribute: window.open("https://www.youraddress.com","_self") Edit: Url should be prepended with protocol. Without it tries to open relative url. Tested in Chrome 59, Firefox 54 and IE 11. share ...
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Reference: What is variable scope, which variables are accessible from where and what are “undefined

... @Arthur There is so much to unpack there… ಠ_ಠ This is most certainly not an approach I would endorse. – deceze♦ Aug 3 '17 at 8:24 ...
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Stripping everything but alphanumeric chars from a string in Python

...ng.printable (part of the built-in string module). The use of compiled '[\W_]+' and pattern.sub('', str) was found to be fastest. $ python -m timeit -s \ "import string" \ "''.join(ch for ch in string.printable if ch.isalnum())" 10000 loops, best of 3: 57.6 usec per loop $ python -m tim...
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In where shall I use isset() and !empty()

.....) contains some non-empty data. To answer question 1 : $str = ''; var_dump(isset($str)); gives boolean true Because the variable $str exists. And question 2 : You should use isset to determine whether a variable exists ; for instance, if you are getting some data as an array, you migh...
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How to replace multiple strings in a file using PowerShell

... PowerShell to continue parsing the expression on the next line: $original_file = 'path\filename.abc' $destination_file = 'path\filename.abc.new' (Get-Content $original_file) | Foreach-Object { $_ -replace 'something1', 'something1aa' ` -replace 'something2', 'something2bb' ` -re...