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How to read multiple text files into a single RDD?
I want to read a bunch of text files from a hdfs location and perform mapping on it in an iteration using spark.
10 Answers...
How to prompt for user input and read command-line arguments [closed]
...have a Python script that a) can accept user input and how do I make it b) read in arguments if run from the command line?
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Capturing multiple line output into a Bash variable
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You would use readarray and process substitution instead of command substitution: readarray -t RESULT < <(./myscript>.
– chepner
Jan 18 '16 at 18:44
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Compress files while reading data from STDIN
Is it possible to compress (create a compressed archive) data while reading from stdin on Linux?
3 Answers
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How to execute a file within the python interpreter?
...meFile module
For Python3, use:
>>> exec(open("filename.py").read())
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Getting rid of \n when using .readlines() [duplicate]
... in a list, by line, without \n)
with open(filename) as f:
mylist = f.read().splitlines()
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Why is volatile needed in C?
...erface with hardware that changes the value itself; when there's another thread running that also uses the variable; or when there's a signal handler that might change the value of the variable.
Let's say you have a little piece of hardware that is mapped into RAM somewhere and that has two address...
Can I set a breakpoint on 'memory access' in GDB?
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watch only breaks on write, rwatch let you break on read, and awatch let you break on read/write.
You can set read watchpoints on memory locations:
gdb$ rwatch *0xfeedface
Hardware read watchpoint 2: *0xfeedface
but one limitation applies to the rwatch and awatch commands;...
Reading Properties file in Java
I have the following code trying to read a properties file:
16 Answers
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When do I really need to use atomic instead of bool? [duplicate]
...stinctly different instruction on the hardware than the native, non-atomic read-modify-write sequence of a non-atomic variable.
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