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What is the difference between map and flatMap and a good use case for each?
...Mapping from a collection of lines to a collection of words looks like:
["aa bb cc", "", "dd"] => [["aa","bb","cc"],[],["dd"]] => ["aa","bb","cc","dd"]
The input and output RDDs will therefore typically be of different sizes for flatMap.
If we had tried to use map with our split function, ...
Does BroadcastReceiver.onReceive always run in the UI thread?
...wered Apr 13 '12 at 11:34
TommyThTommyTh
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if arguments is equal to this string, define a variable like this string
... ## BAD (bracket spacing)
Also, note double brackets are handled slightly differently compared to single brackets ...
if [[ $a == z* ]]; then # True if $a starts with a "z" (pattern matching).
if [[ $a == "z*" ]]; then # True if $a is equal to z* (literal matching).
if [ $a == z* ]; then ...
Ternary operator is twice as slow as an if-else block?
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To answer this question, we'll examine the assembly code produced by the X86 and X64 JITs for ...
How to change an Eclipse default project into a Java project
... edited Jan 6 '16 at 19:01
vip
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answered Oct 7 '08 at 17:07
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How do I tell git to always select my local version for conflicted merges on a specific file?
...788Z\"/\u003e\u003cpath d=\"M32.492 10.1419C32.492 12.6954 34.1182 14.0484 37.0451 14.0484C39.9723 14.0484 41.5985 12.6954 41.5985 10.1419V6.59049C41.5985 5.28821 41.1394 4.66232 40.1061 4.66232C39.0732 4.66232 38.5948 5.28821 38.5948 6.59049V9.60062C38.5948 10.8521 38.2696 11.5455 37.0451 11.5455C3...
Hash function that produces short hashes?
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answered Dec 30 '10 at 23:37
Greg HewgillGreg Hewgill
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Right way to initialize an OrderedDict using its constructor such that it retains order of initial d
...rnBrenBarn
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How do I write a “tab” in Python?
...10):
"hello\N{TAB}alex"
"hello\N{tab}alex"
"hello\N{TaB}alex"
"hello\N{HT}alex"
"hello\N{CHARACTER TABULATION}alex"
"hello\N{HORIZONTAL TABULATION}alex"
"hello\x09alex"
"hello\u0009alex"
"hello\U00000009alex"
Actually, instead of using an escape sequence, it is possible to insert tab symbo...
Open the start page in Visual Studio after closing a project?
...r that purpose:
https://visualstudiogallery.msdn.microsoft.com/e64380ab-e3aa-4ac7-aa11-95719c5c91e9
I tried it an it works like a charme in VS 2015 :)
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