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Pimpl idiom vs Pure virtual class interface
...e pointer to the implementation object, and you're safe from this class of errors.
Edit: I should maybe add that the only reason I'm talking about the constructor here is that I didn't want to provide more code - the same argumentation applies to all functions that access data members.
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Postgres manually alter sequence
...sequence', (SELECT (MAX(col) from table), TRUE); does work. I get a syntax error. (Postgres 9.4)
– NuclearPeon
Jul 21 '18 at 1:35
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How to attach debugger to iOS app after launch?
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I did exactly as you suggested. and I get error: Could not attach to PID I tried both the name and its ID. I tried while the app is running and while it's stopped..
– Honey
Sep 9 '16 at 20:52
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How to set 'auto' for upper limit, but keep a fixed lower limit with matplotlib.pyplot
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I got an error when I passed the left for the set_ylim. I used this instead: plt.gca().set_ylim(ymin=0) Thank you for your help.
– vietnastee
Jul 31 '12 at 22:34
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Nested attributes unpermitted parameters
...ear, :dues_attributes[:amount, :person_id]) end I am now getting this error: no implicit conversion of Symbol into Integer
– jcanipar
Apr 10 '13 at 16:33
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Why does ReSharper want to use 'var' for everything?
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var can also lead to subtle logic errors like: var counter = "0"; when what you want is an integer.
– alaniane
Aug 5 '19 at 20:59
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How do you use “git --bare init” repository?
...s may seem obvious to some, but git confuses me at the best of times (it's error and status messages really need some rework) - hopefully, this will help others.
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How do I use CSS in Django?
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This caused me problems too for a while (404 not found errors). The missing bit for me was to edit the STATICFILES_DIRS tuple in settings.py to give me this:
STATICFILES_DIRS = (
# Put strings here, like "/home/html/static" or "C:/www/django/static".
# Always use forward...
Update git commit author date when amending
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That doesn't work. Git aborts with the error fatal: invalid date format:
– Nikos C.
Feb 5 '16 at 12:56
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How to make a Python script run like a service or daemon in Linux
...arent
sys.exit(0)
except OSError, e:
sys.stderr.write("fork #1 failed: %d (%s)\n" % (e.errno, e.strerror))
sys.exit(1)
# decouple from parent environment
os.chdir("/")
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