大约有 23,000 项符合查询结果（耗时：0.0404秒） [XML]
Call an activity method from a fragment
... in your fragment from your activity as well if you want to take an action based on your fragment->activity comm.
– Kerem
Nov 21 '14 at 2:01
...
What is the difference between ELF files and bin files?
...u can take this data and load it directly as is, you need to know what the base address is though as that is normally not in there.
An elf file contains the bin information but it is surrounded by lots of other information, possible debug info, symbols, can distinguish code from data within the bin...
Microsoft Roslyn vs. CodeDom
...
It would be great if someone had already created a Roslyn-based tool to convert code that uses CodeDom into code that uses Roslyn's SyntaxFactory... (Partly because .Net Core has Roslyn but no CodeDom and I'm using a lib built around CodeDom)
– Emyr
...
What's the main difference between Java SE and Java EE? [duplicate]
...dition and is normally for developing desktop applications, forms the core/base API.
Java EE stands for Java enterprise edition for applications which run on servers, for example web sites.
Java ME stands for Java micro edition for applications which run on resource constrained devices (small scal...
Scheduling recurring task in Android
...o wake up the CPU to run your code.
You should use one of those solutions based on your timing and worker thread needs.
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Why does C++ require a user-provided default constructor to default-construct a const object?
...of T would invoke a user-provided constructor
of T (not inherited from a base class) or if
each direct non-variant non-static data member M of T has a default member initializer or, if M is of class type X (or array thereof), X
is const-default-constructible,
if T is a union with at le...
Rails 4 multiple image or file upload using carrierwave
...avatar:string
rake db:migrate
In post.rb
class Post < ActiveRecord::Base
has_many :post_attachments
accepts_nested_attributes_for :post_attachments
end
In post_attachment.rb
class PostAttachment < ActiveRecord::Base
mount_uploader :avatar, AvatarUploader
belongs_to :post
end...
With MySQL, how can I generate a column containing the record index in a table?
... year( d1.date ), month( d1.date ), count( d1.id )
from maindatabase d1
where ( ( d1.date >= '2013-01-01' ) and ( d1.date <= '2014-12-31' ) )
group by YEAR( d1.date ), MONTH( d1.date ) ) d3
s...
Is unsigned integer subtraction defined behavior?
...n the two expressions we are discussing is performed in type unsigned int, based on the operand types. The result of the addition is unsigned int. Then that result is implicitly converted to the type required in context, a conversion which fails because the value is not representable in the new ty...
How can I find all of the distinct file extensions in a folder hierarchy?
...folder):
for f in *.*; do printf "%s\n" "${f##*.}"; done | sort -u
I've based this upon this forum post, credit should go there.
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