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GB English, or US English?
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Depends where you see most of your customers. I personally prefer using English-GB (e.g. Colour) in my private code, but I go to Color for externally published applications/API/code!
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What's a good way to overwrite DateTime.Now during testing?
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My preference is to have classes that use time actually rely on an interface, such as
interface IClock
{
DateTime Now { get; }
}
With a concrete implementation
class SystemClock: IClock
{
DateTime Now { get { return DateTime.Now; } }
}
Then if you want, you ca...
Rails respond_with: how does it work?
...it works (what options you can use, etc) or point me to the place it's actually implemented so I can peruse the code on my own?
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Uri to default sound notification?
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all of these methods work
mBuilder.setSound(RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION));
mBuilder.setSound(Settings.System.DEFAULT_NOTIFICATION_URI);
mBuilder.setDefaults(Notification.DEFAULT_SOUND);
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Difference between 'struct' and 'typedef struct' in C++?
...struct Foo x;
Any time you want to refer to a Foo, you'd always have to call it a struct Foo. This gets annoying fast, so you can add a typedef:
struct Foo { ... };
typedef struct Foo Foo;
Now struct Foo (in the tag namespace) and just plain Foo (in the ordinary identifier namespace) both refe...
Why should I use document based database instead of relational database?
...obvious answer is you should use it if your data isn't relational. This usually manifests itself in having no easy way to describe your data as a set of columns. A good example is a database where you actually store paper documents, e.g. by scanning office mail. The data is the scanned PDF and you h...
Trigger change event of dropdown
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I don't know that much JQuery but I've heard it allows to fire native events with this syntax.
$(document).ready(function(){
$('#countrylist').change(function(e){
// Your event handler
});
// And now fire change event when the DOM is ready
$('#cou...
What does a lazy val do?
... printed when it's initialized in same way (I have taken x as var intentionally here - to explain when y gets initialized). Next when y is called, it's initialized as well as value of last 'x' is taken into consideration but not the old one.
Hope this helps.
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android pick images from gallery
I want to create a picture chooser from gallery. I use code
9 Answers
9
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C pointers : pointing to an array of fixed size
...proficiency with C language.
When the specifics of your application area call for an array of specific fixed size (array size is a compile-time constant), the only proper way to pass such an array to a function is by using a pointer-to-array parameter
void foo(char (*p)[10]);
(in C++ language th...