大约有 25,400 项符合查询结果（耗时：0.0361秒） [XML]
Defining Z order of views of RelativeLayout in Android
...rder in which the Views are added to your XML file. Lower down in the file means higher up in the Z-axis.
Edit:
This is documented here and here on the Android developer site. (Thanks @flightplanner)
share
|
...
Convert DOS line endings to Linux line endings in Vim
...t the ^M, or you can :set ff=unix and Vim will do it for you.
There is documentation on the fileformat setting, and the Vim wiki has a comprehensive page on line ending conversions.
Alternately, if you move files back and forth a lot, you might not want to convert them, but rather to do :set ff=dos,...
“There was an error while performing this operation”
...cation, Handler Mappings, Authorization Rules etc. It just shows the error message "There was an error while performing this operation", with no more details and points to web.config.
...
Where can I learn jQuery? Is it worth it?
I've had a lot of good experiences learning about web development on w3schools.com . It's hit or miss, I know, but the PHP and CSS sections specifically have proven very useful for reference.
...
Eclipse - debugger doesn't stop at breakpoint
...ce code, I have set break point in two places: 1) in a line where a static member is initialized 2) the first line of one of the test cases.
...
What are database normal forms and can you give examples? [closed]
... the key [1NF], the whole key [2NF] and nothing but the key [3NF] (so help me Codd).
2NF
Say you have a table containing courses that are taken in a certain semester, and you have the following data:
|-----Primary Key----| uh oh |
V
CourseI...
Error Dropping Database (Can't rmdir '.test\', errno: 17)
...e directory is intended for storage of table data.
The DROP DATABASE statement will remove all table files and then remove the directory that represented the database. It will not, however, remove non-table files, whereby making it not possible to remove the directory.
MySQL displays an error mes...
What is PostgreSQL explain telling me exactly?
... I am mystified why people think slide decks make good technical documentation. A video of the talk might be helpful, but the information density of that slide deck is very close to zero. In the first six slides (1/5th of the total), there is exactly 1 sentence of technical content: "• EXPLA...
Xcode 4.2 debug doesn't symbolicate stack call
...gers, etc.)
After upgrading XCode for the iOS 5 update, no stack traces seemed to work.
However, I have found an effective work-around - creating my own exception handler (which is also useful for other reasons). First, create a function that will handle the error and output it to the console (as w...
Express.js req.body undefined
...pp.post('/login', urlencodedParser, function (req, res) {
res.send('welcome, ' + req.body.username)
})
// POST /api/users gets JSON bodies
app.post('/api/users', jsonParser, function (req, res) {
// create user in req.body
})
See here for further info
original follows
You must make sure that ...