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Install parent POM without building Child modules
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192
Use the '-N' option in the mvn command.
From mvn -h:
-N,--non-recursive ...
How to install ia32-libs in Ubuntu 14.04 LTS (Trusty Tahr)
I installed Ubuntu 14.04 (Trusty Tahr) yesterday. Everything seems OK. But when I tried to compile some C code, I encounter the following error. The error seems to be due to the OS lacking the 32-bit architecture support. The error output is as following:
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Is there a Unix utility to prepend timestamps to stdin?
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17 Answers
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Re-raise exception with a different type and message, preserving existing information
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Python 3 introduced exception chaining (as described in PEP 3134). This allows, when raising an exception, to cite an existing exception as the “cause”:
try:
frobnicate()
except KeyError as exc:
raise ValueError("Bad grape") from exc
The caught exception (exc, a KeyError) ...
Java: splitting a comma-separated string but ignoring commas in quotes
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11 Answers
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Force point (“.”) as decimal separator in java
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174
Use the overload of String.format which lets you specify the locale:
return String.format(Loc...
Correctly determine if date string is a valid date in that format
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16 Answers
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Java using enum with switch statement
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162
The part you're missing is converting from the integer to the type-safe enum. Java will not d...
what is the difference between ?:, ?! and ?= in regex?
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160
The difference between ?= and ?! is that the former requires the given expression to match and...
How to check if a value exists in a dictionary (python)
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>>> d = {'1': 'one', '3': 'three', '2': 'two', '5': 'five', '4': 'four'}
>>> 'one' in d.values()
True
Out of curiosity, some comparative timing:
>>> T(lambda : 'one' in d.itervalues()).repeat()
[0.28107285499572754...