大约有 9,000 项符合查询结果（耗时：0.0392秒） [XML]
How can I rename a database column in a Ruby on Rails migration?
...
self.down should always be the opposite of self.up, so "if you need or do something else or do nothing" isn't really recommended. Just do: rename_column :table_name, :new_column, :old_column
– Luke Griffiths
Aug...
How to show particular image as thumbnail while implementing share on Facebook?
...ormation such as :
The title of the page
The type of page
The URL
The websites name
A description of the page
Facebook user_id's of administrators of the page ( on facebook )
Here is an example ( taken from the facebook documentation ) of some og:tags
<meta property="og:title" content="The R...
How to get share counts using graph API
...
is it possible to take shares of few sites?
– Aziz
Feb 17 '12 at 8:24
@Aziz, wha...
Add margin above top ListView item (and below last) in Android
... the outer layout)
On the ListView set android:dividerHeight="-10dip", the opposite of what is around the cell
Compared to the other answer, there is no need to set the divider colour. The padding at the topmost and bottommost cells will be present, and the negative divider will prevent double hei...
How to check the differences between local and github before the pull [duplicate]
... you method, and got no outputs from git diff master origin/master and its opposite, but git status tells me Your branch is ahead of 'origin/master' by 4 commits. What's going on?
– Jason
Dec 19 '17 at 14:39
...
How can I get stock quotes using Google Finance API?
...
I found this site helpful.
http://benjisimon.blogspot.com/2009/01/truly-simple-stock-api.html
It links to an API yahoo seems to offer that is very simple and useful.
For instance:
http://finance.yahoo.com/d/quotes.csv?s=GOOG+AAPL&...
Nginx Different Domains on Same IP
...server_name www.domain2.com domain2.com; now has the correct page for each site displaying when those addresses are used.
– Steve HHH
Dec 14 '12 at 17:12
4
...
Why should I use an IDE? [closed]
...
I come at this question from the opposite direction. I was brought up in programming with very few pitstops in Makefile+Emacs land. From my very earliest compiler on DOS, Microsoft Quick C, I had an IDE to automate things. I spent many years working in Vi...
Security of REST authentication schemes
...generated strings - instead of the password the developer logs into the website with. So the developer should be able to log into your site and generate new tokens that can be used for API verification.
The main reason to use a token is that it can be replaced if it's compromised, whereas if the pa...
nginx启用gzip压缩，大大降低网站流量 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...on 1.0;
2、nginx配置中加载 gzip 配置：
include /etc/nginx/sites-available/gzip.conf;
3、重载nginx：
nginx -s reload
4、验证：
1）nginx的response headers中的 Content-Encoding 是 gzip。
2）返回文件大小明显被压缩。
参考：https://www.cnblogs.com/...