大约有 20,212 项符合查询结果（耗时：0.0476秒） [XML]
Pandas every nth row
Dataframe.resample() works only with timeseries data. I cannot find a way of getting every nth row from non-timeseries data. What is the best method?
...
How do I specify the platform for MSBuild?
I am trying to use MSBuild to build a solution with a specified target platform (I need both binaries, x86 and x64). This is how I tried it:
...
Understanding repr( ) function in Python
repr() : evaluatable string representation of an object (can "eval()"
it, meaning it is a string representation that evaluates to a Python
object)
...
Custom numeric format string to always display the sign
Is there any way I can specify a standard or custom numeric format string to always output the sign, be it +ve or -ve (although what it should do for zero, I'm not sure!)
...
PostgreSQL naming conventions
Where can I find a detailed manual about PostgreSQL naming conventions? (table names vs. camel case, sequences, primary keys, constraints, indexes, etc...)
...
How do I script a “yes” response for installing programs?
I work with Amazon Linux instances and I have a couple scripts to populate data and install all the programs I work with, but a couple of the programs ask:
...
Specify width in *characters*
When using a fixed width font , I'd like to specify the width of an HTML element in characters .
2 Answers
...
How to create a colored 1x1 UIImage on the iPhone dynamically?
I would like to create a 1x1 UIImage dynamically based on a UIColor.
6 Answers
6
...
Does MySQL included with MAMP not include a config file?
I can't seem to find the my.cnf or other config file for the MySQL that comes with MAMP . Does it not include one?
6 Answe...
Generate a random double in a range
I have two doubles like the following
6 Answers
6
...