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Further understanding setRetainInstance(true)
...too harsh on the Android documentation, because it does have some useful information, but sadly none of it is linked from setRetainInstance(). From the page about fragments
Note: Each fragment requires a unique identifier that the system can
use to restore the fragment if the activity is resta...
REDHAT 6.4 X64下ORACLE 11GR2静默安装 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...ces. The components you choose should
# be specified in the form "internal-component-name:version"
# Below is a list of components you may specify to enable.
#
# oracle.oraolap:11.2.0.4.0 - Oracle OLAP
# oracle.rdbms.dm:11.2.0.4.0 - Oracle Da...
The static keyword and its various uses in C++
...I would rather categorize the usage of 'static' keyword in three different forms:
(A). variables
(B). functions
(C). member variables/functions of classes
the explanation follows below for each of the sub headings:
(A) 'static' keyword for variables
This one can be little tricky however if ex...
When to use volatile with multi threading?
...
Short & quick answer: volatile is (nearly) useless for platform-agnostic, multithreaded application programming. It does not provide any synchronization, it does not create memory fences, nor does it ensure the order of execution of operations. It does not make operations atomic. ...
How to run a program without an operating system?
...is USB. The program on this drive would also have to be in some particular format, on some particular filesystem... This is something that boot loaders usually do, but your program could include its own bootloader so it's self-contained, if the firmware will only load a small block of code.
Many AR...
Which would be better for concurrent tasks on node.js? Fibers? Web-workers? or Threads?
...like it a lot. But soon I found out that it lacked badly the ability to perform CPU-intensive tasks. So, I started googling and got these answers to solve the problem: Fibers, Webworkers and Threads (thread-a-gogo). Now which one to use is a confusion and one of them definitely needs to be used - af...
Dynamically update values of a chartjs chart
...create charts and updating the chart requires the data be in two different forms.
– Fresheyeball
Oct 18 '14 at 23:52
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How to detect a Christmas Tree? [closed]
...ompared to some of the others, is in how the image segmentation step is performed--I used the DBSCAN clustering algorithm from Python's scikit-learn; it's optimized for finding somewhat amorphous shapes that may not necessarily have a single clear centroid.
At the top level, my approach is fairly s...
How to implement classic sorting algorithms in modern C++?
...yond.
Syntactical goodies
C++14 provides transparent comparators of the form std::less<> that act polymorphically on their arguments. This avoids having to provide an iterator's type. This can be used in combination with C++11's default function template arguments to create a single overloa...
ObservableCollection Doesn't support AddRange method, so I get notified for each item added, besides
...d an NotifyCollectionChanged event for the item added). To get the best performance for a large update a complete replacement for ObservableCollection is required.
– Gone Coding
Sep 16 '10 at 10:57
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