大约有 34,900 项符合查询结果(耗时:0.0412秒) [XML]
Android add placeholder text to EditText
...
Ah, ok. What you're looking for is setHint(int). Simply pass in a resource id of a string from your xml and you're good to go.
EDIT
And in XML, it's simply android:hint="someText"
...
What is “loose coupling?” Please provide examples
I can't seem to grok the concept of "loose coupling." I suppose it doesn't help that the word "loose" usually has a negative connotation, so I always forget that loose coupling is a good thing.
...
How do I catch a PHP fatal (`E_ERROR`) error?
... can use set_error_handler() to catch most PHP errors, but it doesn't work for fatal ( E_ERROR ) errors, such as calling a function that doesn't exist. Is there another way to catch these errors?
...
What killed my process and why?
My application runs as a background process on Linux. It is currently started at the command line in a Terminal window.
14 ...
Datatype for storing ip address in SQL Server
...lly is (no, not even an INT32/INT(4), the numeric textual form that we all know and love (255.255.255.255) being just the display conversion of its binary content).
If you do it this way, you will want functions to convert to and from the textual-display format:
Here's how to convert the textual d...
List directory in Go
...
You can try using the ReadDir function in the io/ioutil package. Per the docs:
ReadDir reads the directory named by dirname and returns a list of sorted directory entries.
The resulting slice contains os.FileInfo types, which provide the methods listed here. Here is a basic exa...
How do you extract a column from a multi-dimensional array?
Does anybody know how to extract a column from a multi-dimensional array in Python?
20 Answers
...
How to get Spinner value?
...
iota
22.8k66 gold badges2424 silver badges4545 bronze badges
answered Sep 20 '11 at 14:35
dodododo
...
How do I see the extensions loaded by PHP?
It's got to be somewhere in the phpinfo() dump, but I just don't know where. Is it supposed to be under the "Additional Modules" section? Somewhere else? I'm trying to figure out why some extensions don't appear to be loaded, but I don't even know where I should be looking.
...
What's the difference between getPath(), getAbsolutePath(), and getCanonicalPath() in Java?
... is always an absolute path.
Converting from a path to a canonical path makes it absolute (usually tack on the current working directory so e.g. ./file.txt becomes c:/temp/file.txt). The canonical path of a file just "purifies" the path, removing and resolving stuff like ..\ and resolving symlinks...
