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git mv and only change case of directory
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Thanks. This was driving me crazy. I didn't know about the -A or the --amend option.
– oschrenk
Jun 10 '10 at 5:18
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Understanding dict.copy() - shallow or deep?
...mple:
original = dict(a=1, b=2, c=dict(d=4, e=5))
new = original.copy()
Now let's change a value in the 'shallow' (first) level:
new['a'] = 10
# new = {'a': 10, 'b': 2, 'c': {'d': 4, 'e': 5}}
# original = {'a': 1, 'b': 2, 'c': {'d': 4, 'e': 5}}
# no change in original, since ['a'] is an immutabl...
What's the difference between utf8_general_ci and utf8_unicode_ci?
...Unicode 9.0 - and with no equivalent _general variant. People reading this now should probably use one of these newer collations instead of either _unicode or _general. Much of what's written below is not of much interest anymore if you can use one of the newer collations instead.
Key differences
u...
Remove folder and its contents from git/GitHub's history
...Y_NAME # i.e. 'node_modules' in other examples
git reflog expire --expire=now --all && git gc --prune=now --aggressive
git push --mirror https://project/new-repository
If you want to delete files then use the delete-files option instead:
java -jar bfg.jar --delete-files *.pyc
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Python: How to get stdout after running os.system? [duplicate]
...OUT)
to redirect the error output to the default output stream.
If you know that the output is text, add text=True to decode the returned bytes value with the platform default encoding; use encoding="..." instead if that codec is not correct for the data you receive.
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python-pandas and databases like mysql
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frame_query is now deprecated. Now use pd.read_sql(query, db) instead.
– Robert Smith
Apr 24 '15 at 22:43
add a com...
Is std::vector copying the objects with a push_back?
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I would also note that, if you use raw pointers, you are now responsible for cleaning up after them. There's no good reason to do this (not one I can think of anyway), you should always use a smart pointer.
– Ed S.
Nov 2 '12 at 0:03
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sizeof single struct member in C
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Wow, I didn't know sizeof((type *)0)->member) works. Am not on my dev machine now, but does this work for all the compilers? Thanks for that Joey.
– Gangadhar
Aug 24 '10 at 5:03
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NSNotificationCenter addObserver in Swift
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Thanks! I didn't know how to pass the selector name in Swift.
– Berry Blue
Jun 4 '14 at 23:30
14
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What's the easiest way to install a missing Perl module?
... IIRC the latest ActivePerl no longer has command-line ppm, it now opens a fancy GUI.
– Kev
Nov 8 '08 at 17:18
6
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