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How can I join elements of an array in Bash?
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@puchu What doesn't work is multi-character separators. To say "space doesn't work" makes it sound like joining with a space doesn't work. It does.
– Eric
Oct 7 '15 at 18:20
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Do I need elements in persistence.xml?
... Why upvote? OP doesn't even mentions Eclipse and this answer doesn't show what this Eclipse feature does under the hood so that one could do that wihout an IDE.
– Artem Novikov
Aug 28 '16 at 14:48
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How to tell which commit a tag points to in Git?
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"Best solution" for what? If the interest is in finding out the SHA of a commit the tag points to the "git show <mytag>" is NOT the best solution. This command will show the entire diff the commit introduces. For listing only the SHA of t...
Combining node.js and Python
... already have a Python code for them.
We are highly concerned about speed, what is the most elegant way how to call a Python "worker" from node.js in an asynchronous non-blocking way?
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Starting python debugger automatically on error
...post_mortem(tb) # more "modern"
sys.excepthook = info
Name it debug (or whatever you like) and put it somewhere in your python path.
Now, at the start of your script, just add an import debug.
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How to know if an object has an attribute in Python
...ant the value of the attribute with a default." Although I believe this is what many people actually want when they say they want to detect whether an attribute is present, the OP actually asked for the latter, so it's reasonable for the direct answers to that question (hasattr, AttributeError) to b...
Access data in package subdirectory
...some similar object. The stream is in “binary mode”, in the sense that whatever bytes are in the resource will be read as-is.
from pkg_resources import resource_stream, Requirement
vik_logo_as_stream = resource_stream(Requirement.parse("enb.portals"), "enb/portals/reports/VIK_logo.png")
Pack...
Efficient method to generate UUID String in JAVA (UUID.randomUUID().toString() without the dashes)
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For your case what's wrong with UUID.randomUUID().toString() ? Also note that you (theoretically) decrease the entropy by holding a static final SecureRandom (make it volatile). also why synchronize the generateUniqueId? This means all you...
Programmatically saving image to Django ImageField
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fml... what happens when that parameter is passed in on a linux machine?
– DMac the Destroyer
Dec 10 '11 at 20:46
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How to extract numbers from a string in Python?
...neral and powerful tool (so you learn something very useful). Speed is somewhat irrelevant in log parsing (it's not some intensive numerical solver after all), the re module is in the standard Python library and it doesn't hurt to load it.
– Ioannis Filippidis
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