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Order data frame rows according to vector with specific order
Is there an easier way to ensure that a data frame's rows are ordered according to a "target" vector as the one I implemented in the short example below?
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is node.js' console.log asynchronous?
...his, arguments) + '\n');
};
So it simply does some formatting and writes to process.stdout, nothing asynchronous so far.
process.stdout is a getter defined on startup which is lazily initialized, I've added some comments to explain things:
.... code here...
process.__defineGetter__('stdout', fun...
Scala: what is the best way to append an element to an Array?
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You can use :+ to append element to array and +: to prepend it:
0 +: array :+ 4
should produce:
res3: Array[Int] = Array(0, 1, 2, 3, 4)
It's the same as with any other implementation of Seq.
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How to use Java property files?
I have a list of key/value pairs of configuration values I want to store as Java property files, and later load and iterate through.
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Is there an alternative sleep function in C to milliseconds?
I have some source code that was compiled on Windows. I am converting it to run on Red Hat Linux.
6 Answers
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How can I assign the output of a function to a variable using bash?
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This creates a subshell; is there any way to do it in the same shell?
– Limited Atonement
May 2 '18 at 15:58
add a comment
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Java: Why is the Date constructor deprecated, and what do I use instead?
I come from the C# world, so not too experienced with Java yet. I was just told by Eclipse that Date was deprecated:
14 A...
How do I grab an INI value within a shell script?
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To trim spaces, add | tr -d ' ' at the end.
– kenorb
Feb 27 '15 at 14:33
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What is the ideal data type to use when storing latitude / longitude in a MySQL database?
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Do you have any other links to examples or any other info as to how best get started with them?
– Codebeef
Oct 1 '08 at 19:40
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when using AlertDialog.Builder with EditText, the Soft Keyboard doesn't pop
I am using AlertDialog.Builder in order to create an input box, with EditText as the input method.
12 Answers
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