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Apache Spark: map vs mapPartitions?
What's the difference between an RDD's map and mapPartitions method? And does flatMap behave like map or like mapPartitions ? Thanks.
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Haskell export current module with additional imported module
... postfix: "",
imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9....
How do I show a marker in Maps launched by geo URI Intent?
...rtActivity(intent);
You can omit (Label+Name) if you don't want a label, and it will choose one randomly based on the nearest street or other thing it thinks relevant.
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How to sort a list in Scala by two fields?
...ort a list in Scala by two fields, in this example I will sort by lastName and firstName?
4 Answers
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Why doesn't this code simply print letters A to Z?
... convention when dealing with arithmetic operations on character variables and not C's.
For example, in Perl 'Z'+1 turns into 'AA', while in C 'Z'+1 turns into '[' ( ord('Z') == 90, ord('[') == 91 ).
Note that character variables can be incremented but not decremented and even so only plain ASCII ch...
How can I perform a culture-sensitive “starts-with” operation from the middle of a string?
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I'll consider the problem of many<->one/many casemappings first and separately from handling different Normalization forms.
For example:
x heiße y
^--- cursor
Matches heisse but then moves cursor 1 too much. And:
x heisse y
^--- cursor
Matches heiße but then moves cursor 1 to...
Best Practice: Software Versioning [closed]
Is there any guideline or standard best practice how to version a software you develop in your spare time for fun, but nevertheless will be used by some people? I think it's necessary to version such software so that you know about with version one is talking about (e.g. for bug fixing, support, and...
C++ Dynamic Shared Library on Linux
...ain(int argc, char **argv)
{
/* on Linux, use "./myclass.so" */
void* handle = dlopen("myclass.so", RTLD_LAZY);
MyClass* (*create)();
void (*destroy)(MyClass*);
create = (MyClass* (*)())dlsym(handle, "create_object");
destroy = (void (*)(MyClass*))dlsym(handle, "destroy_object");
My...
Difference between a Seq and a List in Scala
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In Java terms, Scala's Seq would be Java's List, and Scala's List would be Java's LinkedList.
Note that Seq is a trait, which is equivalent to Java's interface, but with the equivalent of up-and-coming defender methods. Scala's List is an abstract class that is extended by...
How do I create an empty array in YAML?
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I just wanted to add that you can go into irb and type something like: "require 'yaml'; YAML::dump({ :hi => [] })" to see what the yaml should be for an object.
– Mike A.
Feb 24 '11 at 21:15
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