大约有 10,000 项符合查询结果(耗时:0.0204秒) [XML]
How do I remove the Devise route to sign up?
...happen for two reasons:
1) You forgot to wrap your route inside the scope block. For example:
devise_scope :user do
match "/some/route" => "some_devise_controller"
end
2) You are testing a Devise controller bypassing the router.
If so, you can explicitly tell Devise which mapping ...
Rails raw SQL example
...an execute raw query using ActiveRecord. And I will suggest to go with SQL block
query = <<-SQL
SELECT *
FROM payment_details
INNER JOIN projects
ON projects.id = payment_details.project_id
ORDER BY payment_details.created_at DESC
SQL
result = ActiveRecord::Base.connect...
What's the difference between Jetty and Netty?
... and UDP socket server.
So Netty is focusing on helping to write NIO/non-blocking, asynchronous network programs.
If you deal a lot with network protocols and want it to be non-blocking use Netty (usually for high-performance cases). If you want a light HTTP servlet container use Jetty.
Also s...
SQL Query to concatenate column values from multiple rows in Oracle
...ion.
http://www.oracle-base.com/articles/misc/StringAggregationTechniques.php
String Concatenation
share
|
improve this answer
|
follow
|
...
How to compare Unicode characters that “look alike”?
...tter µ and the other is the Micro Sign µ.
Name : MICRO SIGN
Block : Latin-1 Supplement
Category : Letter, Lowercase [Ll]
Combine : 0
BIDI : Left-to-Right [L]
Decomposition : <compat> GREEK SMALL LETTER MU (U+03BC)
Mirror : N
Index e...
How can I get file extensions with JavaScript?
...y much. It's nice to see a solution not using regex; I have done this with PHP and it only uses a couple of functions. +1
– Bojangles
Dec 1 '10 at 20:01
3
...
How to install Google Play Services in a Genymotion VM (with no drag and drop support)?
... the right GApp version here:
http://forum.xda-developers.com/showthread.php?t=2528952
share
|
improve this answer
|
follow
|
...
How can I copy the output of a command directly into my clipboard?
...e Jan 24 23:00:00 EST 2017
Paste
# clipboard retained from the previous block
$ cb
Tue Jan 24 23:00:00 EST 2017
$ cb | cat
Tue Jan 24 23:00:00 EST 2017
$ cb > foo
$ cat foo
Tue Jan 24 23:00:00 EST 2017
Chaining
$ date | cb | tee updates.log
Tue Jan 24 23:11:11 EST 2017
$ cat updates.log
Tue...
Postgres unique constraint vs index
...
There is a difference in locking.
Adding an index does not block read access to the table.
Adding a constraint does put a table lock (so all selects are blocked) since it is added via ALTER TABLE.
share
...
Using a dispatch_once singleton model in Swift
...e behaviour is not undefined, it is just broken in a well-defined way: the block will always execute.
– Michael
Jun 10 '14 at 10:54
...
