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Creating dataframe from a dictionary where entries have different lengths
... the same thing as these other answers, is below:
>>> mydict = {'one': [1,2,3], 2: [4,5,6,7], 3: 8}
>>> dict_df = pd.DataFrame({ key:pd.Series(value) for key, value in mydict.items() })
>>> dict_df
one 2 3
0 1.0 4 8.0
1 2.0 5 NaN
2 3.0 6 NaN
3 NaN 7 ...
Semicolons superfluous at the end of a line in shell scripts?
...fely remove any single semicolons at the end of any line, but never double ones?
– Nagel
Sep 21 '11 at 22:14
...
socket.shutdown vs socket.close
...
Here's one explanation:
Once a socket is no longer required,
the calling program can discard the
socket by applying a close subroutine
to the socket descriptor. If a
reliable delivery socket has data
associated with it...
Getting current date and time in JavaScript
.... In addition:
.getDate() returns the day of the month <- this is the one you want
.getDay() is a separate method of the Date object which will return an integer representing the current day of the week (0-6) 0 == Sunday etc
so your code should look like this:
var currentdate = new Date();
...
.gitignore all the .DS_Store files in every folder and subfolder
...
´´git rm --cached .DS_Store´´ removes only one .DS_Store from the current directory. Use ´´find . -name .DS_Store -print0 | xargs -0 git rm --ignore-unmatch´´ to remove all .DS_Stores from the repo
– auco
Feb 12 '14 at 14:20
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The Definitive C++ Book Guide and List
...yers) Even more rules of thumb than Effective C++. Not as important as the ones in the first book, but still good to know.
Exceptional C++ (Herb Sutter) Presented as a set of puzzles, this has one of the best and thorough discussions of the proper resource management and exception safety in C++ th...
Alternatives to gprof [closed]
... I'm emphasizing call instructions, but it applies to any instructions. If one has an honest-to-goodness hotspot bottleneck, such as a bubble sort of a large array of numbers, then the compare/jump/swap/increment instructions of the inner loop will be at the top/bottom of nearly every stack sample. ...
Is there a predefined enumeration for Month in the .NET library?
...us cultures have different monthly calendars, but there's (apparently) not one that has a different number of days per week. So the number of days per week is consistent even if the names aren't.
– Ryan Lundy
Jan 12 '10 at 19:58
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What does the red exclamation point icon in Eclipse mean?
...elated tools use red exclamation point icons. So, to be clear, this is the one I mean:
10 Answers
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Iterate over the lines of a string
... based approach -- still, worth keeping in mind because it might be less prone to small off-by-one bugs (any loop where you see occurrences of +1 and -1, like my f3 above, should automatically trigger off-by-one suspicions -- and so should many loops which lack such tweaks and should have them -- th...