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How can I use getSystemService in a non-activity class (LocationManager)?
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You can go for this :
getActivity().getSystemService(Context.CONNECTIVITY_SERVICE);
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How do I use a custom deleter with a std::unique_ptr member?
I have a class with a unique_ptr member.
6 Answers
6
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Concept of void pointer in C programming
...ligned at 4-byte boundary to be dereferenced).
For example, reading uint16_t from void*:
/* may receive wrong value if ptr is not 2-byte aligned */
uint16_t value = *(uint16_t*)ptr;
/* portable way of reading a little-endian value */
uint16_t value = *(uint8_t*)ptr
| ((*((uint8_t*)...
ASP.NET MVC Razor pass model to layout
...odel : ViewModelBase
{
}
public abstract class ViewModelBase
{
}
in the _Layout.cshtml:
@model Models.ViewModelBase
<!DOCTYPE html>
<html>
and so on...
in the the Index (for example) method in the home controller:
public ActionResult Index()
{
var model = new S...
How do I write data into CSV format as string (not file)?
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You could use StringIO instead of your own Dummy_Writer:
This module implements a file-like class, StringIO, that reads and writes a string buffer (also known as memory files).
There is also cStringIO, which is a faster version of the StringIO class.
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How are “mvn clean package” and “mvn clean install” different?
... any of the lifecycle phases, it executes each default life cycle phase in order, before executing the command itself.
order of execution
validate >> compile >> test (optional) >> package >> verify >> install >> deploy
So when you run the command mvn packag...
Make a UIButton programmatically in Swift
..., 500)
myFirstButton.addTarget(self, action: #selector(myClass.pressed(_:)), forControlEvents: .TouchUpInside)
self.view.addSubview(myFirstLabel)
self.view.addSubview(myFirstButton)
}
@objc func pressed(sender: UIButton!) {
var alertView = UIAlertView()
alertView.addButtonWithTi...
Java Programming - Where should SQL statements be stored? [closed]
...l. But without the nice question marks, or the question marks in the wrong order and leave you to stick it back in the Java code.
We have also used a ORM, and while this is great for developers our DBAs hated it as there is no SQL for them to laugh at. We also used a odd ORM (a custom one from 3rd ...
Best way to represent a Grid or Table in AngularJS with Bootstrap 3? [closed]
...-grid component is not based on Bootstrap. So I customized ng-grid.less in order to get a look-and-feel as close as possible to the bootstrap GUI elements.
– Lars Behnke
Dec 19 '14 at 12:50
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Concurrent.futures vs Multiprocessing in Python 3
...o make it work:
from concurrent.futures import ProcessPoolExecutor
def pool_factorizer_map(nums, nprocs):
# Let the executor divide the work among processes by using 'map'.
with ProcessPoolExecutor(max_workers=nprocs) as executor:
return {num:factors for num, factors in
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