大约有 40,000 项符合查询结果(耗时:0.0933秒) [XML]

https://stackoverflow.com/ques... 

Keep only date part when using pandas.to_datetime

...fault represents the dates with datetime64[ns] even though the dates are all daily only. I wonder whether there is an elegant/clever way to convert the dates to datetime.date or datetime64[D] so that, when I write the data to CSV, the dates are not appended with 00:00:00 . I know I can conver...
https://stackoverflow.com/ques... 

How many spaces will Java String.trim() remove?

... All of them. Returns: A copy of this string with leading and trailing white space removed, or this string if it has no leading or trailing white space. ~ Quoted from Java 1.5.0 docs (But why didn't you ju...
https://stackoverflow.com/ques... 

How to sort an ArrayList?

...t the runtime characteristics of reverse, but sorting descending could actually be faster then sorting ascending and then reversing. Moreover, using a List implementation that supports Comparator as constructor argument (thus keeping it invariant) would ensure the list is sorted at all times. ...
https://stackoverflow.com/ques... 

Cmake vs make sample codes?

...tatlib.a and libmydynlib.so which are both also built from source. Additionally, prog uses the library libstuff.a in stuff/lib and its header in stuff/include. The Makefile by default builds a release target, but offers also a debug target: #Makefile CC = gcc CPP = g++ RANLIB = ar rcs RELEASE =...
https://stackoverflow.com/ques... 

get list of pandas dataframe columns based on data type

... this doesn't work if all your dataframe columns are returning object type, regardless of their actual contents – user5359531 Jul 17 '17 at 23:46 ...
https://stackoverflow.com/ques... 

Change SQLite database mode to read-write

...e FAQ). There is a plugin to compress and encrypt the database. It doesn't allow to modify the DB. Lastly, another FAQ says: "Make sure that the directory containing the database file is also writable to the user executing the CGI script." I think this is because the engine needs to create more file...
https://stackoverflow.com/ques... 

Count work days between two dates

... is not that advanced. --Changing current database to the Master database allows function to be shared by everyone. USE MASTER GO --If the function already exists, drop it. IF EXISTS ( SELECT * FROM dbo.SYSOBJECTS WHERE ID = OBJECT_ID(N'[dbo].[fn_WorkDays]') AND XType IN (N'FN', N'I...
https://stackoverflow.com/ques... 

Matplotlib - global legend and title aside subplots

...atplotlib.pyplot as plt fig = plt.gcf() fig.suptitle("Title centered above all subplots", fontsize=14) Alternatively (based on @Steven C. Howell's comment below (thank you!)), use the matplotlib.pyplot.suptitle() function: import matplotlib.pyplot as plt # plot stuff # ... plt.suptitle("Title...
https://stackoverflow.com/ques... 

How do I daemonize an arbitrary script in unix?

... & operator: nohup yourScript.sh script args& The nohup command allows you to shut down your shell session without it killing your script, while the & places your script in the background so you get a shell prompt to continue your session. The only minor problem with this is standard ...
https://stackoverflow.com/ques... 

Why would anybody use C over C++? [closed]

...hoose C over C++. C doesn't seem to get nearly as much flak and if C++ has all these problems why can't you just restrict yourself to the C subset? What are your thoughts/experience? ...