大约有 18,400 项符合查询结果（耗时：0.0270秒） [XML]
How can I get the current user's username in Bash?
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@BillMan, what does that even mean? Could you provide an example?
– Dejay Clayton
Nov 18 '15 at 16:06
17
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AngularJS $resource RESTful example
...s, and it will wait. It's probably best just to deal with your resource inside of a promise then() or the callback method.
Standard use
var Todo = $resource('/api/1/todo/:id');
//create a todo
var todo1 = new Todo();
todo1.foo = 'bar';
todo1.something = 123;
todo1.$save();
//get and update a tod...
SQLAlchemy ORDER BY DESCENDING?
...have done:
.order_by(model.Entry.amount.desc())
This is handy since it avoids an import, and you can use it on other places such as in a relation definition, etc.
For more information, you can refer this
share
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When to use setAttribute vs .attribute= in JavaScript?
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From Javascript: The Definitive Guide, it clarifies things. It notes that HTMLElement objects of a HTML doc define JS properties that correspond to all standard HTML attributes.
So you only need to use setAttribute for non-standard attributes.
Example:
nod...
When to use next() and return next() in Node.js
Scenario : Consider the following is the part of code from a node web app.
5 Answers
5...
Angular ng-repeat Error “Duplicates in a repeater are not allowed.”
...ason this error happens is that angular is using a dictionary to store the id of an item as the key with the value as the DOM reference. From the code (line 15402 in angular.js) it looks like they are caching previously found DOM elements based on their key as a performance optimization. Since they...
Rails where condition using NOT NIL
...The canonical way to do this with Rails 3:
Foo.includes(:bar).where("bars.id IS NOT NULL")
ActiveRecord 4.0 and above adds where.not so you can do this:
Foo.includes(:bar).where.not('bars.id' => nil)
Foo.includes(:bar).where.not(bars: { id: nil })
When working with scopes between tables, I ...
@UniqueConstraint annotation in Java
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@Entity
@Table(uniqueConstraints={@UniqueConstraint(columnNames = {"id_1" , "id_2"})})
public class class_name {
@Id
@GeneratedValue
public Long id;
@NotNull
public Long id_1;
@NotNull
public Long id_2;
}
Hope it helped.
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Maven is not working in Java 8 when Javadoc tags are incomplete
...heck.
DocLint is a new feature in Java 8, which is summarized as:
Provide a means to detect errors in Javadoc comments early in the
development cycle and in a way that is easily linked back to the
source code.
This is enabled by default, and will run a whole lot of checks before generatin...
Count Rows in Doctrine QueryBuilder
...b = $entityManager->createQueryBuilder();
$qb->select('count(account.id)');
$qb->from('ZaysoCoreBundle:Account','account');
$count = $qb->getQuery()->getSingleScalarResult();
Some folks feel that expressions are somehow better than just using straight DQL. One even went so far as t...