大约有 47,000 项符合查询结果（耗时：0.0531秒） [XML]
Common MySQL fields and their appropriate data types
I am setting up a very small MySQL database that stores, first name, last name, email and phone number and am struggling to find the 'perfect' datatype for each field. I know there is no such thing as a perfect answer, but there must be some sort of common convention for commonly used fields such as...
How to configure PostgreSQL to accept all incoming connections
I've got a PostgreSQL data base that I'd like to configure to accept all incoming connections regardless of the source IP address. How can this be configured in the pg_hba.conf file? I'm using postgreSQL version 8.4.
...
Prevent body scrolling but allow overlay scrolling
I've been searching for a "lightbox" type solution that allows this but haven't found one yet (please, suggest if you know of any).
...
What is the Ruby (spaceship) operator?
What is the Ruby <=> (spaceship) operator? Is the operator implemented by any other languages?
6 Answers
...
How to determine if a point is in a 2D triangle? [closed]
Is there an easy way to determine if a point is inside a triangle? It's 2D, not 3D.
25 Answers
...
How do I put two increment statements in a C++ 'for' loop?
I would like to increment two variables in a for -loop condition instead of one.
8 Answers
...
How to make rounded percentages add up to 100%
Consider the four percentages below, represented as float numbers:
17 Answers
17
...
how to set “camera position” for 3d plots using python/matplotlib?
I'm learning how to use mplot3d to produce nice plots of 3d data and I'm pretty happy so far. What I am trying to do at the moment is a little animation of a rotating surface. For that purpose, I need to set a camera position for the 3D projection. I guess this must be possible since a surface can b...
Run command on the Ansible host
Is it possible to run commands on the Ansible host?
8 Answers
8
...
Putting text in top left corner of matplotlib plot
How can I put text in the top left (or top right) corner of a matplotlib figure, e.g. where a top left legend would be, or on top of the plot but in the top left corner? E.g. if it's a plt.scatter(), then something that would be within the square of the scatter, put in the top left most corner.
...