大约有 30,000 项符合查询结果（耗时：0.0631秒） [XML]
Programmatically update widget from activity/service/receiver
...ow it's possible, but I can't figure out a way to trigger an update of my widget from the main activity. Isn't there some general intent I can broadcast?
...
Hibernate: “Field 'id' doesn't have a default value”
...e AUTO_INCREMENT. See the example below.
CREATE TABLE `supplier`
(
`ID` int(11) NOT NULL **AUTO_INCREMENT**,
`FIRSTNAME` varchar(60) NOT NULL,
`SECONDNAME` varchar(100) NOT NULL,
`PROPERTYNUM` varchar(50) DEFAULT NULL,
`STREETNAME` varchar(50) DEFAULT NULL,
`CITY` varchar(...
'size_t' vs 'container::size_type'
...d ops. Just because unsigned types can't express negative numbers, doesn't mean you have to use them for numbers that can't be negative :-) I confess I'm surprised it's int rather than ssize_t, int is kind of small.
– Steve Jessop
Sep 19 '12 at 16:22
...
How to dismiss notification after action has been clicked
...
When you called notify on the notification manager you gave it an id - that is the unique id you can use to access it later (this is from the notification manager:
notify(int id, Notification notification)
To cancel, you would call:
cancel(int id)
with the same id. So, basically, you...
IN clause and placeholders
I'm attempting to do the following SQL query within Android:
9 Answers
9
...
Sample settings.xml for maven
... specified at two levels:
|
| 1. User Level. This settings.xml file provides configuration for a single
| user, and is normally provided in
| ${user.home}/.m2/settings.xml.
|
| NOTE: This location can be overridden with the CLI option:
|
| ...
How can I configure NetBeans to insert tabs instead of a bunch of spaces?
When I hit Tab for indenting code, I like to get a real tab. Meaning that when I select that, I only have one large thing selected. NetBeans inserts 5 spaces instead of a tab when I hit Tab . Is there a way I can change that?
...
Postgres: How to do Composite keys?
...already implied), too:
CREATE TABLE tags
(
question_id INTEGER NOT NULL,
tag_id SERIAL NOT NULL,
tag1 VARCHAR(20),
tag2 VARCHAR(20),
tag3 VARCHAR(20),
PRIMARY KEY(question_id, tag_id)
);
NOTICE: ...
How to get Activity's content view?
...
this.getWindow().getDecorView().findViewById(android.R.id.content)
or
this.findViewById(android.R.id.content)
or
this.findViewById(android.R.id.content).getRootView()
share
|
...
Add new column with foreign key constraint in one command
...d by commas. For example...
Informix syntax:
ALTER TABLE one
ADD two_id INTEGER,
ADD CONSTRAINT FOREIGN KEY(two_id) REFERENCES two(id);
The syntax for IBM DB2 LUW is similar, repeating the keyword ADD but (if I read the diagram correctly) not requiring a comma to separate the added items...