大约有 30,000 项符合查询结果(耗时:0.0487秒) [XML]
Read the package name of an Android APK
...
Is there a way to call this from within Android code? I want to be able to launch a package of an apk I download through my app.
– Matt Wear
Jun 19 '12 at 15:59
...
C++ Double Address Operator? (&&)
... for 'move' semantics on objects and permit perfect forwarding of function calls.
It's a rather complex topic - one of the best introductions (that's not merely cursory) is an article by Stephan T. Lavavej, "Rvalue References: C++0x Features in VC10, Part 2"
Note that the article is still quite he...
Listview Scroll to the end of the list after updating the list
...
@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.
...
Under what circumstances is an SqlConnection automatically enlisted in an ambient TransactionScope T
...onnection opened when no transaction scope was active, will not be automatically enlisted in a newly created transaction scope.
Q5. No. Unless you open a connection in the transaction scope, or enlist an existing connection in the scope, there basically is NO TRANSACTION. Your connection must be a...
Spring RestTemplate - how to enable full debugging/logging of requests/responses?
... hit a wall when I'am trying to debug it's requests and responses. I'm basically looking to see the same things as I see when I use curl with the "verbose" option turned on. For example :
...
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
...
How to convert CharSequence to String?
...
@TheOnlyAnil, does calling setText(CharSequence) not do what you need?
– Mike Samuel
May 4 '15 at 20:31
...
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, ...
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
add a comment
|
...
