大约有 30,000 项符合查询结果（耗时：0.0445秒） [XML]
CSS background image to fit width, height should auto-scale in proportion
...emonstration with actual code
div > div {
background-image: url(http://i.stack.imgur.com/r5CAq.jpg);
background-repeat: no-repeat;
background-position: center center;
background-color: #ccc;
border: 1px solid;
width: 20em;
height: 10em;
}
div.contain {
background-si...
Efficiently convert rows to columns in sql server
I'm looking for an efficient way to convert rows to columns in SQL server, I heard that PIVOT is not very fast, and I need to deal with lot of records.
...
Pinging servers in Python
In Python, is there a way to ping a server through ICMP and return TRUE if the server responds, or FALSE if there is no response?
...
How can one print a size_t variable portably using the printf family?
I have a variable of type size_t , and I want to print it using printf() . What format specifier do I use to print it portably?
...
Django template tag to truncate text
...
You should write a custom template filter: http://docs.djangoproject.com/en/dev/howto/custom-template-tags/#writing-custom-template-filters
Have a look at how truncatewords is built in django.utils.text
...
How to convert an NSTimeInterval (seconds) into minutes
I've got an amount of seconds that passed from a certain event. It's stored in a NSTimeInterval data type.
12 Answers
...
hadoop No FileSystem for scheme: file
...
Actually, I just added this maven dependency http://mvnrepository.com/artifact/org.apache.hadoop/hadoop-hdfs/2.2.0 to maven and problem solved.
– B.Mr.W.
Jul 16 '14 at 19:48
...
Getting the minimum of two values in SQL
...UES (PaidThisMonth),(OwedPast)) AS value(x))
Credit due to this website:
http://sqlblog.com/blogs/jamie_thomson/archive/2012/01/20/use-values-clause-to-get-the-maximum-value-from-some-columns-sql-server-t-sql.aspx
share
...
PHP编译安装时常见错误解决办法，php编译常见错误 - 更多技术 - 清泛网 - ...
...见错误PHP编译安装时常见错误解决办法，php编译常见错误This article is post on https: coderwall.com p ggmpfaconfigure: error: xslt-...PHP编译安装时常见错误解决办法，php编译常见错误
This article is post on https://coderwall.com/p/ggmpfa
configure: error: x...
Using relative URL in CSS file, what location is it relative to?
...round: url("yellow") }
is located in a style sheet designated by the URI:
http://www.example.org/style/basic.css
The background of the source document's BODY will be tiled with whatever image is described by the resource designated by the URI
http://www.example.org/style/yellow
User agents may va...