大约有 40,000 项符合查询结果（耗时：0.0392秒） [XML]
MySQL Like multiple values
...
Why not you try REGEXP. Try it like this:
SELECT * FROM table WHERE interests REGEXP 'sports|pub'
share
|
improve this answer
|
follow
|
...
Status bar and navigation bar appear over my view's bounds in iOS 7
...
Also note that when your main view is a UITableView the viewDidLayoutSubviews will get called on each scroll. Your UITableView will be scaled down until its height is 15px. Add a flag to only run this code once. ;)
– Thomas Johannesmeyer
...
spring boot default H2 jdbc connection (and H2 console)
...erties and start with mvn spring:run. I can see hibernate JPA creating the tables but if I try to access the h2 console at the URL below the database has no tables.
...
Rails migrations: self.up and self.down versus change
... you rollback? Of course it's remove_column. What is the inverse of create_table? It's drop_table. So in these cases rails know how to rollback and define a down method is superfluous (you can see in the documentation the methods currently supported from the change method).
But pay attention becaus...
Difference between Math.Floor() and Math.Truncate()
...5,MidpointRounding.AwayFromZero)" becoming 3).
The following diagram and table may help:
-3 -2 -1 0 1 2 3
+--|------+---------+----|----+--|------+----|----+-------|-+
a b c d e
...
to drawRect or not to drawRect (when should one use drawRect/Core Graphics vs subviews/images and wh
...it would be more complicated.
The general workflow should be to build the tableviews with subviews. Use Instruments to measure the frame rate on the oldest hardware your app will support. If you can't get 60fps, drop down to CoreGraphics. When you've done this for a while, you get a sense for when ...
Set default value of an integer column SQLite
...
Use the SQLite keyword default
db.execSQL("CREATE TABLE " + DATABASE_TABLE + " ("
+ KEY_ROWID + " INTEGER PRIMARY KEY AUTOINCREMENT, "
+ KEY_NAME + " TEXT NOT NULL, "
+ KEY_WORKED + " INTEGER, "
+ KEY_NOTE + " INTEGER DEFAULT 0);");
This link is useful: ht...
LEFT OUTER JOIN in LINQ
...nificantly more readable left outer join can be written as such:
from maintable in Repo.T_Whatever
from xxx in Repo.T_ANY_TABLE.Where(join condition).DefaultIfEmpty()
If you omit the DefaultIfEmpty() you will have an inner join.
Take the accepted answer:
from c in categories
join p in pr...
Checking for an empty field with MySQL
...e range access if you have lots of empty email record (both types) in your table.
share
|
improve this answer
|
follow
|
...
Hibernate Error: org.hibernate.NonUniqueObjectException: a different object with the same identifier
...th the session.
Example
Assuming you have a hibernate class object for a table with 10 rows based on a primary key combination (column 1 and column 2). Now, you have removed 5 rows from the table at some point of time. Now, if you try to add the same 10 rows again, while hibernate tries to persist...