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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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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...
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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Difference between Observer, Pub/Sub, and Data Binding
...the functions stored in that array.
If we want to group observers handlers based on different events. We just need to modify that observersList to an Object like
var events = {
"event1": [handler1, handler2],
"event2": [handler3]
}
see this pubsub example for details.
and people call this v...
Best way to simulate “group by” from bash?
... which is worse than two passes (which is what you get with a trivial hash based implementation). I should have said 'superlinear' instead of quadratic.
– Vinko Vrsalovic
Dec 19 '08 at 13:23
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Using build types in Gradle to run same app that uses ContentProvider on one device
...uthority renaming
I guess all of you have heard of the new Android Gradle-based build system. Let's be honest, this new build system is a huge step forward compared to the previous one. It is not final yet (as of this writing, the latest version is 0.4.2) but you can already use it safely in most o...