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Rails 4: List of available datatypes
Where can I find a list of data types that can be used in Ruby on Rails 4?
Such as
5 Answers
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Laravel redirect back to original destination after login
...rd])) {
return redirect()->intended('defaultpage');
}
For Laravel 4 (old answer)
At the time of this answer there was no official support from the framework itself. Nowadays you can use the method pointed out by bgdrl below this method: (I've tried updating his answer, but it seems he won'...
How to measure elapsed time in Python?
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Md. Abu Nafee Ibna Zahid
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answered Sep 10 '11 at 9:26
NPENPE
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Error type 3 Error: Activity class {} does not exist
...IntelliJ Android project, that I successfully imported to Android Studio 0.4.0. It works perfectly if I don't change anything in manifest. However, when I want to change the launcher activity and run, it fails with this error:
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How do I get LaTeX to hyphenate a word that contains a dash?
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edited Jul 4 '19 at 8:11
0xC0000022L
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App Inventor 2 网络摄像头调用教程 - 通过API查看实时监控画面 · App Inventor 2 中文网
...eb_摄像头.RequestHeaders = make_list(join("Authorization: Basic ", Base64Encode(join(用户名, ":", 密码))))
Web_摄像头.Get(快照URL)
}
方案二：WebView嵌入MJPEG流
很多摄像头支持MJPEG流，可以直接在WebView中显示：
when Screen1.Initialize(...
How to pass the password to su/sudo/ssh without overriding the TTY?
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Jesse WebbJesse Webb
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How to dynamically create a class?
... Termininja
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answered Oct 5 '10 at 9:06
danijelsdanijels
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remove None value from a list without removing the 0 value
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>>> L = [0, 23, 234, 89, None, 0, 35, 9]
>>> [x for x in L if x is not None]
[0, 23, 234, 89, 0, 35, 9]
Just for fun, here's how you can adapt filter to do this without using a lambda, (I wouldn't recommend this code - it's just for...
On Duplicate Key Update same as insert
...natively, you can use:
INSERT INTO table (id,a,b,c,d,e,f,g)
VALUES (1,2,3,4,5,6,7,8)
ON DUPLICATE KEY
UPDATE a=a, b=b, c=c, d=d, e=e, f=f, g=g;
To get the id from LAST_INSERT_ID; you need to specify the backend app you're using for the same.
For LuaSQL, a conn:getlastautoid() fetches the va...