大约有 30,000 项符合查询结果（耗时：0.0811秒） [XML]
How to position a div in the middle of the screen when the page is bigger than the screen
Hi I'm using something similiar to the following to get a div positioned in the middle of the screen:
16 Answers
...
Float vs Decimal in ActiveRecord
Sometimes, Activerecord data types confuse me. Err, often. One of my eternal questions is, for a given case,
3 Answers
...
regex.test V.S. string.match to know if a string matches a regular expression
Many times I'm using the string match function to know if a string matches a regular expression.
3 Answers
...
Does SQLAlchemy have an equivalent of Django's get_or_create?
...et an object from the database if it already exists (based on provided parameters) or create it if it does not.
9 Answers
...
How to make the overflow CSS property work with hidden as value
I am having a tough time with overflow: hidden .
5 Answers
5
...
Get all table names of a particular database by SQL query?
...bms deal with schemas.
Try the following
For SQL Server:
SELECT TABLE_NAME
FROM INFORMATION_SCHEMA.TABLES
WHERE TABLE_TYPE = 'BASE TABLE' AND TABLE_CATALOG='dbName'
For MySQL:
SELECT TABLE_NAME
FROM INFORMATION_SCHEMA.TABLES
WHERE TABLE_TYPE = 'BASE TABLE' AND TABLE_SCHEMA='dbName'
For Ora...
How to model type-safe enum types?
...
http://www.scala-lang.org/docu/files/api/scala/Enumeration.html
Example use
object Main extends App {
object WeekDay extends Enumeration {
type WeekDay = Value
val Mon, Tue, Wed, Thu, Fri, Sat, Sun = Value
}
import WeekDay._
def isWorkingDay...
View's getWidth() and getHeight() returns 0
I am creating all of the elements in my android project dynamically. I am trying to get the width and height of a button so that I can rotate that button around. I am just trying to learn how to work with the android language. However, it returns 0.
...
How to resize a custom view programmatically?
...a new LayoutParams object, use the original one, so that all other set parameters are kept. Note that the type of LayoutParams returned by getLayoutParams is that of the parent layout, not the view you are resizing.
RelativeLayout.LayoutParams params = (RelativeLayout.LayoutParams) someLayout.getLa...
Android Studio: Default project directory
...oid Studio it wants to put it in a generic default folder at a location something similar to (dependent on OS - Ubuntu here):
...