大约有 44,000 项符合查询结果（耗时：0.0358秒） [XML]
Postgres: How to do Composite keys?
... );
NOTICE: CREATE TABLE will create implicit sequence "tags_tag_id_seq" for serial column "tags.tag_id"
NOTICE: CREATE TABLE / PRIMARY KEY will create implicit index "tags_pkey" for table "tags"
CREATE TABLE
pg=> \d tags
Table "public.tags"...
Android: Test Push Notification online (Google Cloud Messaging) [closed]
...nvironment due to some firewall restrictions I can not deploy a test sever for push notification. What I am looking for is a online server which would send some test notifications to my device to test my client implementation.
...
How can I update window.location.hash without jumping the document?
... @DavidCook - We could also use history.replaceState (which, for hash changes, might make more sense) to avoid the need for a popstate event listener.
– Jack
Sep 6 '14 at 0:38
...
How to handle anchor hash linking in AngularJS
...
You're looking for $anchorScroll().
Here's the (crappy) documentation.
And here's the source.
Basically you just inject it and call it in your controller, and it will scroll you to any element with the id found in $location.hash()
app.c...
What is a JavaBean exactly?
...ass -- a class is a JavaBean if it follows the standards.
There is a term for it because the standard allows libraries to programmatically do things with class instances you define in a predefined way. For example, if a library wants to stream any object you pass into it, it knows it can because yo...
How to check a checkbox in capybara?
...
I found the following worked for me:
# Check
find(:css, "#cityID[value='62']").set(true)
# Uncheck
find(:css, "#cityID[value='62']").set(false)
share
|
...
Hibernate JPA Sequence (non-Id)
Is it possible to use a DB sequence for some column that is not the identifier/is not part of a composite identifier ?
19...
python list in sql query as parameter
...been templating the values into a plain SQL string. That's absolutely fine for integers, but if we wanted to do it for strings we get the escaping issue.
Here's a variant using a parameterised query that would work for both:
placeholder= '?' # For SQLite. See DBAPI paramstyle.
placeholders= ', '.j...
How to create composite primary key in SQL Server 2008
... Not quite true. Both create "named constraints". It's just that with the former, you don't control the naming. But once created, you can look up the name that was used and delete/update by name...
– Auspex
Jul 3 '17 at 15:53
...
How can I convert this foreach code to Parallel.ForEach?
I am a bit of confused about Parallel.ForEach .
What is Parallel.ForEach and what does it exactly do?
Please don't reference any MSDN link.
...