大约有 42,000 项符合查询结果（耗时：0.0417秒） [XML]
How do I force Postgres to use a particular index?
...on "index hinting" feature found in many databases, PostgreSQL doesn't provide such a feature. This was a conscious decision made by the PostgreSQL team. A good overview of why and what you can do instead can be found here. The reasons are basically that it's a performance hack that tends to cause m...
Maven2 property that indicates the parent directory
...to the root module...
In my project root pom:
<plugin>
<groupId>org.commonjava.maven.plugins</groupId>
<artifactId>directory-maven-plugin</artifactId>
<version>0.1</version>
<executions>
<execution>
<id>...
Custom ImageView with drop shadow
...ch:
along with the appropriate padding in XML:
<ImageView
android:id="@+id/image_test"
android:background="@drawable/drop_shadow"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:paddingLeft="6px"
android:paddingTop=...
Spring Data JPA find by embedded object property
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This method name should do the trick:
Page<QueuedBook> findByBookIdRegion(Region region, Pageable pageable);
More info on that in the section about query derivation of the reference docs.
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Recommendations of Python REST (web services) framework? [closed]
...mendations of different Python-based REST frameworks for use on the serverside to write your own RESTful APIs? Preferably with pros and cons.
...
Passing parameters to addTarget:action:forControlEvents
...NewsDetails:event:)
It is not clear what exactly you try to do, but considering you want to assign a specific details index to each button you can do the following:
set a tag property to each button equal to required index
in switchToNewsDetails: method you can obtain that index and open approp...
Scroll to bottom of Div on page load (jQuery)
...y'll work, unless you have more than double the div's height in content inside of it.
Here is the correct version:
$('#div1').scrollTop($('#div1')[0].scrollHeight);
or jQuery 1.6+ version:
var d = $('#div1');
d.scrollTop(d.prop("scrollHeight"));
Or animated:
$("#div1").animate({ scrollTop: $...
Uniq by object attribute in Ruby
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Use Array#uniq with a block:
@photos = @photos.uniq { |p| p.album_id }
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Prevent segue in prepareForSegue method?
...nd later:
You have to implement the method
- (BOOL)shouldPerformSegueWithIdentifier:(NSString *)identifier sender:(id)sender
In your view controller. You do your validation there, and if it's OK then return YES; if it's not then return NO; and the prepareForSegue is not called.
Note that this ...
How can I add a PHP page to WordPress?
... the page editing screen you'll see a Template dropdown in the Attributes widget to the right. Select your new template and publish the page.
Your new page will use the PHP code defined in templatename.php
Source: Creating Custom Page Templates for Global Use
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