大约有 30,000 项符合查询结果(耗时:0.0568秒) [XML]
Listview Scroll to the end of the list after updating the list
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@Bhupendra setSelection() updates the UI. By calling post(Runnable) on the view, you ensure the Runnable code is run on the android UI thread. Generally do it this way unless you know you're already on the UI thread, or are ensuring that by some other means.
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How to convert CharSequence to String?
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@TheOnlyAnil, does calling setText(CharSequence) not do what you need?
– Mike Samuel
May 4 '15 at 20:31
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Check if list is empty in C# [closed]
...mBenDhaou Depends on whether it's the Linq extension method exposed/being called, or native to the object.
– Grant Thomas
Sep 18 '13 at 8:25
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How do RVM and rbenv actually work?
...gem and so on) across all your installed versions of Ruby. This process is called rehashing. Every time you install a new version of Ruby or install a gem that provides a command, run rbenv rehash to make sure any new commands are shimmed.
These shims live in a single directory (~/.rbenv/shims by d...
Is onload equal to readyState==4 in XMLHttpRequest?
...appear in IE until IE 10 but XHR.onload was supported in IE 9 which is typically believed to be XHR 1.
– Chase
Nov 5 '14 at 6:39
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Find all records which have a count of an association greater than zero
... To remove the duplicates, use
Project.joins(:vacancies).group('projects.id')
UPDATE:
As pointed out by @Tolsee, you can also use distinct.
Project.joins(:vacancies).distinct
As an example
[10] pry(main)> Comment.distinct.pluck :article_id
=> [43, 34, 45, 55, 17, 19, 1, 3, 4, 18, 44, ...
AngularJS: Basic example to use authentication in Single Page Application
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I've created a github repo summing up this article basically: https://medium.com/opinionated-angularjs/techniques-for-authentication-in-angularjs-applications-7bbf0346acec
ng-login Github repo
Plunker
I'll try to explain as good as possible, hope I help some of you out there:
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SQL join: selecting the last records in a one-to-many relationship
...mmend solving it:
SELECT c.*, p1.*
FROM customer c
JOIN purchase p1 ON (c.id = p1.customer_id)
LEFT OUTER JOIN purchase p2 ON (c.id = p2.customer_id AND
(p1.date < p2.date OR (p1.date = p2.date AND p1.id < p2.id)))
WHERE p2.id IS NULL;
Explanation: given a row p1, there should be no ro...
e.printStackTrace equivalent in python
....print_exc()
When doing this inside an except ...: block it will automatically use the current exception. See http://docs.python.org/library/traceback.html for more information.
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How to use ArgumentCaptor for stubbing?
...on is a different story. If your test needs to ensure that this method was called with a specific argument, use ArgumentCaptor and this is the case for which it is designed:
ArgumentCaptor<SomeClass> argumentCaptor = ArgumentCaptor.forClass(SomeClass.class);
verify(someObject).doSomething(arg...