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深入理解 x86/x64 的中断体系 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
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; * Copyright (c) 2009-2011 *
; * All rights reserved. *
; * mik *
; * visit web site : www.mouseos.com *
; * bug send email : m...
How is attr_accessible used in Rails 4?
...ible in the model anymore.
Dealing with accepts_nested_attributes_for
In order to use accepts_nested_attribute_for with strong parameters, you will need to specify which nested attributes should be whitelisted.
class Person
has_many :pets
accepts_nested_attributes_for :pets
end
class PeopleC...
How to filter rows in pandas by regex
...explain the difference between match, fullmatch and contains.
Note that in order to use the results for indexing, set the na=False argument (or True if you want to include NANs in the results).
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Building and running app via Gradle and Android Studio is slower than via Eclipse
... bought a new SSD and went from Windows to Linux.My build times are now an order of magnitude faster, and no longer annoying.
Though it does not directly answer your question as to why it's slower than eclipse, it shows that the process is disk-bounded and an upgrade to an SSD might be a (somewhat...
Android : difference between invisible and gone?
...! I have no answer for your question. If you think this was very clear for all users, then the accepted answer should be a comment and have a link of documentation site. Am I correct?
– Pankaj Kumar
Mar 12 '15 at 6:09
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What's the difference between Application.ThreadException and AppDomain.CurrentDomain.UnhandledExcep
...set before the ThreadException event handler is hooked up. Not sure if the order really matters...
– Davide Piras
Sep 29 '11 at 8:26
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Should I store entire objects, or pointers to objects in containers?
... storing pointers into vector can be efficient if used along with a custom allocator for the pointees. The custom allocator has to take care of the cache locality, for example using placement new (see en.wikipedia.org/wiki/Placement_syntax#Custom_allocators).
– amit
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Is there an R function for finding the index of an element in a vector?
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I think it would be helpful to stress that the order of the arguments in match matters if you want the index of the first occurrence. For your example, match(x,c(4,8)) gives different results, which is not super obvious at first.
– apitsch
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R command for setting working directory to source file location in Rstudio
...dir <- dirname(sys.frame(1)$ofile)
Note: script must be sourced in order to return correct path
I found it in: https://support.rstudio.com/hc/communities/public/questions/200895567-can-user-obtain-the-path-of-current-Project-s-directory-
The BumbleBee´s answer (with parent.frame instead ...
Is it possible to Turn page programmatically in UIPageViewController?
Is it possible to turn page programmatically in UIPageViewController ?
17 Answers
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