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Anonymous recursive PHP functions
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365
In order for it to work, you need to pass $factorial as a reference
$factorial = function( $n...
How to read a .xlsx file using the pandas Library in iPython?
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edited Mar 19 '18 at 3:18
answered Jun 3 '13 at 11:52
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How to upload a file to directory in S3 bucket using boto
I want to copy a file in s3 bucket using python.
13 Answers
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How can I convert comma separated string into a List
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Difference between final static and static final
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No difference at all. According to
8.3.1 - Classes - Field Modifiers of the Java Language Specification,
If two or more (distinct) field modifiers appear in a field declaration, it is customary, though not required, that they appear in the order consistent w...
Shell equality operators (=, ==, -eq)
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answered Dec 8 '13 at 3:31
John KugelmanJohn Kugelman
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What kind of Garbage Collection does Go use?
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lower latency, but most likely also lower throughput, than Go 1.3 GC
Go 1.3 garbage collector updates on top of Go 1.1:
concurrent sweep (results in smaller pause times)
fully precise
Go 1.1 garbage collector:
mark-and-sweep (parallel implementation)
non-generational
non-compactin...
Converting an integer to a hexadecimal string in Ruby
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327
You can give to_s a base other than 10:
10.to_s(16) #=> "a"
Note that in ruby 2.4 FixNu...
How do I install an R package from source?
...file name:
On Windows it will look something like this: "C:\\RJSONIO_0.2-3.tar.gz".
On UNIX it will look like this: "/home/blah/RJSONIO_0.2-3.tar.gz".
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Laravel - Eloquent or Fluent random row
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Laravel 4.0 - 4.2.6:
User::orderBy(DB::raw('RAND()'))->get();
Laravel 3:
User::order_by(DB::raw('RAND()'))->get();
Check this article on MySQL random rows. Laravel 5.2 supports this, for older version, there is no better solution then using RAW Queries.
edit 1: As mentioned by Double Gras, ...