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Why does git-rebase give me merge conflicts when all I'm doing is squashing commits?
...icts will happen again. You'll have to resolve them again, add them to the index, then use git rebase --continue to move on. (Of course, you can resolve them again by checking out the version from the original merge commit.)
If you happen to have rerere enabled in your repo (rerere.enabled set to t...
Reason to Pass a Pointer by Reference in C++?
...n fact natural) signature for this would be const T &operator[](size_t index) const. But you could also have T &operator[](size_t index). You could have both at the same time. The latter would let you do things like myArray[jj] = 42. At the same time, you aren't providing a pointer to your d...
How to sleep for five seconds in a batch file/cmd [duplicate]
...allows users to select one item from a list
of choices and returns the index of the selected choice.
Parameter List:
/C choices Specifies the list of choices to be created.
Default list is "YN".
/N Hides the list of choices in the prompt.
...
How to fix corrupted git repository?
...ss.
Another alternative which worked for me was to reset the git head and index to its previous state using:
git reset --keep
You can also do the same manually by opening the Git GUI and selecting each "Staged changes" and click on "Unstage the change". When everything is unstaged, you should now...
Parse (split) a string in C++ using string delimiter (standard C++)
...m one string: <code>size_t last = 0; size_t next = 0; int index = 0; while (index<4) { next = str.find(delimiter, last); auto number = str.substr(last, next - last); IPv4[index++] = atoi(number.c_str()); last = next + 1; }</code>
...
What is the difference between a map and a dictionary?
... terms ("Object" in Javascript, "Hash" in Ruby, "Table" in Lua), but those all have separate meanings in programming too, so I'd avoid them.
See here for more info.
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Apply pandas function to column to create multiple new columns?
...ol.apply(lambda s: pd.Series({'feature1':s+1, 'feature2':s-1})),
left_index=True, right_index=True)
textcol feature1 feature2
0 0.772692 1.772692 -0.227308
1 0.857210 1.857210 -0.142790
2 0.065639 1.065639 -0.934361
3 0.819160 1.819160 -0.180840
4 0.088212 1.088212 -0.911788
...
Storing money in a decimal column - what precision and scale?
...
If you are looking for a one-size-fits-all, I'd suggest DECIMAL(19, 4) is a popular choice (a quick Google bears this out). I think this originates from the old VBA/Access/Jet Currency data type, being the first fixed point decimal type in the language; Decimal on...
How to get the top 10 values in postgresql?
...esc
limit 10
If performance is important (when is it not ;-) look for an index on score.
Starting with version 8.4, you can also use the standard (SQL:2008) fetch first
select *
from scores
order by score desc
fetch first 10 rows only
As @Raphvanns pointed out, this will give you the first...
How to delete history of last 10 commands in shell?
..., so negative indices count back from the end of the
history, and an index of '-1' refers to the current 'history
-d' command.
'-d START-END'
Delete the history entries between positions START and END,
inclusive. Positive and negative values for START and END are
...