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Does deleting a branch in git remove it from the history?
... it initially sounds. git also has an efficient storage optimization (pack files) which make even more efficient usage of disk space.
– CB Bailey
Apr 12 '10 at 9:29
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Assert a function/method was not called using Mock
... was called and should not have been'
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
AssertionError: a was called and should not have been
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Return multiple columns from pandas apply()
...he following in ipython console. It will not work if you run it from a .py file.
print('\nAccepted Answer (pass series, return series, new columns dont exist):')
df_test = create_new_df_test()
%timeit result = df_test.apply(sizes_pass_series_return_series, axis=1)
print('Accepted Answer (pass series...
How can I reliably get an object's address when operator& is overloaded?
...e the type does not match the T* parameter.
Note: from the remarks in the file regarding Borland compatibility, arrays do not decay to pointers, but are passed by reference.
What happens in this overload ?
We want to avoid applying operator& to the type, as it may have been overloaded.
T...
How to use double or single brackets, parentheses, curly braces
...in the current shell context, e.g.
$ { date; top -b -n1 | head ; } >logfile
# 'date' and 'top' output are concatenated,
# could be useful sometimes to hunt for a top loader )
$ { date; make 2>&1; date; } | tee logfile
# now we can calculate the duration of a build from the logfile
T...
Bootstrap full-width text-input within inline-form
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@Chloe You're right, the fiddle was using a bootstrap css file that no longer exists. I just updated the fiddle, it's working again.
– morten.c
Jun 12 '18 at 14:44
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Do declared properties require a corresponding instance variable?
...a property by one name (shorthand) inside your code, but outside in the .h file use the full name. However, with the really cool autocomplete that XCode now has, this is less of an advantage, but is still there.
Hope this helps clear up all the confusion and misinformation that is floating around ...
select * vs select column
..., and you're using MyISAM storage engine, it'll grab the data from the MYI file, which could be in memory, and not even go to disk!
– Mike Sherov
Jul 5 '10 at 14:57
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When to use reinterpret_cast?
...e it. Let's imagine the example: you have to read binary 32bit number from file, and you know it is big endian. Your code has to be generic and works properly on big endian (e.g. some ARM) and little endian (e.g. x86) systems. So you have to check the byte order. It is well-known on compile time so ...
Ruby: kind_of? vs. instance_of? vs. is_a?
... to know that you have a specific class, such as when you are dealing with files.
– Automatico
Jan 16 '15 at 12:32
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