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What's onCreate(Bundle savedInstanceState)
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answered Mar 5 '14 at 8:32
kabilankabilan
1
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How to read multiple text files into a single RDD?
...o this and specify parallelism, say sc.textFile(multipleCommaSeparatedDirs,320) it leads to 19430 total tasks instead of 320 ... it behaves like union which also leads to insane number of tasks from very low parallelism
– lisak
Nov 25 '15 at 10:51
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Why is it bad practice to call System.gc()?
...oken code)
– Martin
Mar 10 '10 at 2:32
3
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Alias with variable in bash [duplicate]
...or that, rather than alias, and then exported it, like this:
function tail_ls { ls -l "$1" | tail; }
export -f tail_ls
Note -f switch to export: it tells it that you are exporting a function. Put this in your .bashrc and you are good to go.
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C++ wait for user input [duplicate]
... In Microsoft VS2012, Use include #include <conio.h> and _getch().
– CreativeMind
Jan 21 '14 at 12:14
1
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How do I make a semi transparent background?
I need to make a white background 50% transparent without affecting anything else. How do I do it?
8 Answers
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sprintf like functionality in Python
I would like to create a string buffer to do lots of processing, format and finally write the buffer in a text file using a C-style sprintf functionality in Python. Because of conditional statements, I can’t write them directly to the file.
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ImageView - have height match width?
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davidchuyayadavidchuyaya
2,84322 gold badges1313 silver badges2222 bronze badges
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What is the difference between “def” and “val” to define a function
...ion every time (new instance of Function1).
def even: Int => Boolean = _ % 2 == 0
even eq even
//Boolean = false
val even: Int => Boolean = _ % 2 == 0
even eq even
//Boolean = true
With def you can get new function on every call:
val test: () => Int = {
val r = util.Random.nextInt
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How can I trim leading and trailing white space?
I am having some troubles with leading and trailing white space in a data.frame.
13 Answers
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