大约有 46,000 项符合查询结果（耗时：0.0527秒） [XML]
How to go up a level in the src path of a URL in HTML?
I am storing style sheets in {root}/styles while images in {root}/images for a website.
How do I give the path in the style sheets to go look in the images directory for the specified images?
...
Does Java casting introduce overhead? Why?
Is there any overhead when we cast objects of one type to another? Or the compiler just resolves everything and there is no cost at run time?
...
Where do gems install?
I'm trying to edit one of the gem's config files and I can't find it. I'm not sure how I did this in the past.
4 Answers
...
Import a module from a relative path
How do I import a Python module given its relative path?
22 Answers
22
...
Oracle Differences between NVL and Coalesce
Are there non obvious differences between NVL and Coalesce in Oracle?
8 Answers
8
...
String to Dictionary in Python
So I've spent way to much time on this, and it seems to me like it should be a simple fix. I'm trying to use Facebook's Authentication to register users on my site, and I'm trying to do it server side. I've gotten to the point where I get my access token, and when I go to:
...
Why do I get TypeError: can't multiply sequence by non-int of type 'float'?
I am typing to get a sale amount (by input) to be multiplied by a defined sales tax (0.08) and then have it print the total amount (sales tax times sale amount).
...
URL query parameters to dict python
Is there a way to parse a URL (with some python library) and return a python dictionary with the keys and values of a query parameters part of the URL?
...
How do I implement __getattribute__ without an infinite recursion error?
I want to override access to one variable in a class, but return all others normally. How do I accomplish this with __getattribute__ ?
...
How to get execution time in rails console?
I want compare time of execution Post.all and SELECT * FROM posts (or some other statements) How can i get execution time of Post.all ?
...