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@Transactional(propagation=Propagation.REQUIRED)
... individually, with an outer transaction scope being logically independent from the inner transaction scope. Of course, in case of standard PROPAGATION_REQUIRED behavior, all these scopes will be mapped to the same physical transaction. So a rollback-only marker set in the inner transaction scope do...
What is the !! (not not) operator in JavaScript?
...st concise, most performant, and thus most preferred means of getting true from a non-boolean, possibly undefined value is indeed by using !!. Hopefully this ridiculously clears it up.
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impro...
How to tell if rails is in production?
...r pages on any environment if the request is considered "local" (that is from localhost or 127.0.0.1), you can override this by adding this to your ApplicationController
def local_request?
false
end
You can find this method in the docs in the api
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How to add ID property to Html.BeginForm() in asp.net mvc?
... Also having the action and controller set to null saves you from having to hard-code them. This is useful if you have your form within a partial view and that partial is used within multiple views like Create and Edit.
– Ken Pespisa
Apr 22 '11 a...
How to split a long regular expression into multiple lines in JavaScript?
...`^\s*
(
//closing the object
(\})|
//starting from open or comma you can...
(?:[,{]\s*)(?:
//have a rest operator
(\.\.\.)
|
//have a property key
(
//a non-negative integer
...
Android webview & localStorage
...
from API description: "In order for the database storage API to function correctly, this method must be called with a path to which the application can write. " developer.android.com/reference/android/webkit/…
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How do I use WebRequest to access an SSL encrypted site using https?
I'm writing a program that reads content from a user provided URL. My problem is in the code that goes something like this:
...
What does |= (single pipe equal) and &=(single ampersand equal) mean
...|= will only ever add bits to the target
&= will only ever remove bits from the target
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UITableView set to static cells. Is it possible to hide some of the cells programmatically?
... I mean that if you have for example three sections and you hide the cells from the middle section the space where that section was remains. I didn't try the sample project, but I did try the code. I'll give the sample a try.
– Jack
Feb 13 '13 at 16:00
...
Convert numpy array to tuple
...e long cuts, here is another way
tuple(tuple(a_m.tolist()) for a_m in a )
from numpy import array
a = array([[1, 2],
[3, 4]])
tuple(tuple(a_m.tolist()) for a_m in a )
The output is
((1, 2), (3, 4))
Note just (tuple(a_m.tolist()) for a_m in a ) will give a generator expresssion.
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