大约有 40,000 项符合查询结果（耗时：0.0551秒） [XML]
What ReSharper 4+ live templates for C# do you use? [closed]
... useful - a little lambda:
Shortcut: x
Available: C# where expression is allowed.
x => x.$END$
Macros: none.
share
|
improve this answer
|
follow
|
...
Why can't I see the “Report Data” window when creating reports?
...
After I accidentally closed this window, I took an hour to find how to bring it back up.
The right answer is indeed:
View-->Report Data (ctrl+alt+D)
The tricky part: the 'Report Data' entry does not always appear in the 'View' dropdown...
Why doesn't print work in a lambda?
...ed print function if you are using the latest Python 2.x:
In [1324]: from __future__ import print_function
In [1325]: f = lambda x: print(x)
In [1326]: f("HI")
HI
share
|
improve this answer
...
Using helpers in model: how do I include helper dependencies?
...cerns with active record models. That's a terrible practice. A much better approach is to put a standalone input data sanitizer object in front of AR and retrieve "clean" attributes from it.
– solnic
Jul 29 '14 at 10:52
...
Clicking a button within a form causes page refresh
...
Nice! It really fetched to my scenario!
– Richard
Sep 24 '15 at 14:39
2
...
Get String in YYYYMMDD format from JS date object?
... won't need the rightNow variable around, you can wrap new Date and get it all back in a single line: (new Date()).toISOString().slice(0,10).replace(/-/g,"")
– BigBlueHat
Sep 26 '13 at 17:43
...
Comments in Android Layout xml
... > Also you cannot use them inside tags. Quite unfortunate really.
– linuxjava
Sep 3 '15 at 15:39
...
Memoization in Haskell?
...tion (fix)
Let's define f, but make it use 'open recursion' rather than call itself directly.
f :: (Int -> Int) -> Int -> Int
f mf 0 = 0
f mf n = max n $ mf (n `div` 2) +
mf (n `div` 3) +
mf (n `div` 4)
You can get an unmemoized f by using fix f
This...
Adding a column to an existing table in a Rails migration
...cord::Migration[5.0]
def change
end
end
In that case you have to manually an add_column to change:
class AddEmailToUsers < ActiveRecord::Migration[5.0]
def change
add_column :users, :email, :string
end
end
And then run rake db:migrate
...
Android: ProgressDialog.show() crashes with getApplicationContext
...t some of the code in the onCreate() is being run before the window is actually done being built. This is going to be a hack, but try launching a new Thread in a few hundred milliseconds (IIRC: 300-400 seemed to work for me, but you'll need to tinker) that opens your ProgressDialog and starts anythi...