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PHP page redirect [duplicate]
...redirect call after executing a function? I am creating a function on the completion of which I want it to redirect to a file located in the same root folder. Can it be done?
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How do I break out of a loop in Perl?
...doesn't amount to much else other than textual consistency with the "next" command.
– Razor Storm
Jul 8 '10 at 20:14
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What does .SD stand for in data.table in R
...u can access and operate on the columns just as if you were sitting at the command line working with a single data.table called .SD ... except that here, data.table will carry out those operations on every single sub-data.table defined by combinations of the key, "pasting" them back together and ret...
mongodb count num of distinct values per field/key
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MongoDB has a distinct command which returns an array of distinct values for a field; you can check the length of the array for a count.
There is a shell db.collection.distinct() helper as well:
> db.countries.distinct('country');
[ "Spain", "...
What is difference between Collection.stream().forEach() and Collection.forEach()?
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How to export all collections in MongoDB?
I want to export all collections in MongoDB by the command:
26 Answers
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Get file name from URL
...a, given a java.net.URL or a String in the form of http://www.example.com/some/path/to/a/file.xml , what is the easiest way to get the file name, minus the extension? So, in this example, I'm looking for something that returns "file" .
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Get value from JToken that may not exist (best practices)
...eneric method Value() is for. You get exactly the behavior you want if you combine it with nullable value types and the ?? operator:
width = jToken.Value<double?>("width") ?? 100;
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im...
git: fatal unable to auto-detect email address
I just cannot commit with git on Ubuntu 14.04
12 Answers
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