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How does data binding work in AngularJS?
...ched) to the $watch method.
Changes to watched items must be made within a block of code
wrapped by the $apply method.
At the end of the $apply the $digest method is invoked which goes
through each of the watches and checks to see if they changed since
last time the $digest ran.
If any changes are f...
resizes wrong; appears to have unremovable `min-width: min-content`
...tation.
Also, my sincere apologies to the Mozilla contributors who had to block removing support for -moz-document partly due to this answer.
The fix
In WebKit and Firefox 53+, you just set min-width: 0; on the fieldset to override the default value of min-content.¹
Still, Firefox is a bit… o...
How to detect when an Android app goes to the background and come back to the foreground
...en dialog, but your mileage may vary.
And that's all. The code in the if block will only be executed once, even if you go to another activity, the new one (that also extends BaseActivity) will report wasInBackground is false so it won't execute the code, until onMemoryTrimmed is called and the fla...
How expensive is RTTI?
...at's right, the dynamicCasts took 94% of runtime. While the regularSwitch block only took 3.3%.
Long story short: If you can afford the energy to hook-in an enum'd type as I did below, I'd probably recommend it, if you need to do RTTI and performance is paramount. It only takes setting the membe...
MVVM in WPF - How to alert ViewModel of changes in Model… or should I?
...lication is comprised of your ViewModels, and your Models are the just the blocks used to build your application. They typically only contain data, so would not have methods such as DrawCard() (that would be in a ViewModel)
So you would probably have plain Model data objects like these:
class Card...
Understanding the meaning of the term and the concept - RAII (Resource Acquisition is Initialization
...derstand RAII?
RAII and smart pointers in C++
Does C++ support 'finally' blocks? (And what's this 'RAII' I keep hearing about?)
RAII vs. exceptions
etc..
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Approximate cost to access various caches and main memory?
...s over 16-Lanes ( mode 16x )
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| + PCIe-3.0 25-port 97-lanes non-blocking SwitchFabric ... +over copper/fiber
| ~~~ The latest PCIe specification, Gen 3, runs at 8Gbps per serial lane, enabling a 48-lane switch to ha...
WebSockets protocol vs HTTP
.... In web, we have much restriction for a normal socket. Most firewall will block other port than 80 and 433 that HTTP used. Proxies and intermediaries will be problematic as well.So to make the protocol more easier to deploy to existing infrastructures websocket use HTTP handshake to upgrade. That m...
How do CDI and EJB compare? interact?
...a EE. They are CDI, EJB3 and JSF Managed Beans.
CDI is the new kid on the block. CDI beans feature dependency injection, scoping and an event bus. CDI beans are the most flexible with respect to injection and scoping. The event bus is very lightweight and very well suited for even the simplest of w...
How can I record a Video in my Android App.?
...ace());
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
private void shutdown() {
// Release MediaRecorder and especially the Camera as it's a shared
// object that can be used by other applications
mMediaRecorder.reset();
...
