大约有 40,000 项符合查询结果（耗时：0.0472秒） [XML]
Could not find method compile() for arguments Gradle
...
Looking back all this time, this is the most likely problem I was having. I have since obviously far moved on, but after getting notifications that this question was still open I think its only proper to indicate this as the 'correct' ans...
What are type lambdas in Scala and what are their benefits?
...ction of Either[A, B]. The monad typeclass looks like this:
trait Monad[M[_]] {
def point[A](a: A): M[A]
def bind[A, B](m: M[A])(f: A => M[B]): M[B]
}
Now, Either is a type constructor of two arguments, but to implement Monad, you need to give it a type constructor of one argument. The sol...
FileSystemWatcher Changed event is raised twice
...anner. Because FileSystemWatcher monitors the operating system activities, all events that these applications fire will be picked up.
Now this bit of text is about the Created event, but the same thing applies to other file events as well. In some applications you might be able to get around this ...
Get content uri from file path in android
... the above solutions returns: 1. file:///storage/emulated/0/DCIM/Camera/VID_20140312_171146.mp4 2. /storage/emulated/0/DCIM/Camera/VID_20140312_171146.mp4 But what i was looking for is something different. I need the content:// format URI. The answer from Jinal seems to work perfect
...
How to paste text to end of every line? Sublime 2
...-zA-z0-9!@#$")(*&!+_-] will find the beginning of every line (provided all characters are added for the regex to search for at the beginning each of the lines). Thanks @yohann !
– Tony H.
May 22 '12 at 21:25
...
How do I make CMake output into a 'bin' dir?
...
How to make it apply to all configurations at once?
– emlai
May 23 '15 at 21:24
...
Regex Email validation
...ccurate as mine, I thought I would post it here.
@"^[\w!#$%&'*+\-/=?\^_`{|}~]+(\.[\w!#$%&'*+\-/=?\^_`{|}~]+)*"
+ "@"
+ @"((([\-\w]+\.)+[a-zA-Z]{2,4})|(([0-9]{1,3}\.){3}[0-9]{1,3}))$";
For more info go read about it here: C# – Email Regular Expression
Also, this checks for RFC validity ...
Combining INSERT INTO and WITH/CTE
...ions go at the top.
Wrapping every insert in a CTE has the benefit of visually segregating the query logic from the column mapping.
Spot the mistake:
WITH _INSERT_ AS (
SELECT
[BatchID] = blah
,[APartyNo] = blahblah
,[SourceRowID] = blahblahblah
FROM Table1 AS t1
)
INSERT ...
What's the difference between RANK() and DENSE_RANK() functions in oracle?
...
with q as (
select 10 deptno, 'rrr' empname, 10000.00 sal from dual union all
select 11, 'nnn', 20000.00 from dual union all
select 11, 'mmm', 5000.00 from dual union all
select 12, 'kkk', 30000 from dual union all
select 10, 'fff', 40000 from dual union all
select 10, 'ddd', 40000 from dual union ...
Pass ruby script file to rails console
...
You can use
bundle exec rails runner "eval(File.read 'your_script.rb')"
UPDATE:
What we also have been using a lot lately is to load the rails environment from within the script itself. Consider doit.rb:
#!/usr/bin/env ruby
require "/path/to/rails_app/config/environment"
# ......