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How do you switch pages in Xamarin.Forms?
...st:
MainPage = NavigationPage(new FirstPage());
Switching content isn't ideal as you have just one big page and one set of page events like OnAppearing ect.
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Virtual member call in a constructor
...n C, which could lead to quite surprising behavior.
It is probably a good idea to avoid virtual functions in constructors anyway, since the rules are so different between C#, C++, and Java. Your programmers may not know what to expect!
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Should I choose ActivePerl or Strawberry Perl for Windows? [duplicate]
...eep building your modules with the same compiler. That's actually a better idea than having a mixture of compiler/modules.
One thing you have to consider if using ActiveState: If you install it on a server facing the Internet, then you are required to buy a Business license ($1000/year/server as no...
How to remove ASP.Net MVC Default HTTP Headers?
...l Gates announcing "secure by default" in 2003 - whatever happened to that idea?
– mike nelson
Oct 18 '17 at 18:22
2
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How do HttpOnly cookies work with AJAX requests?
... - it's one of those proprietary browser extensions that was a really neat idea.
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Subset of rows containing NA (missing) values in a chosen column of a data frame
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@Jonathan : Two distinct ideas here, the topic you cite says "[" should be prefered on "subset", but we were talking about the "na.strings" argument in read.table(), my subset was here only to visualize the effects.
– maressyl
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What happens if I define a 0-size array in C/C++?
...ntax of a FAM is:
struct Array {
size_t size;
int content[];
};
The idea is that you would then allocate it so:
void foo(size_t x) {
Array* array = malloc(sizeof(size_t) + x * sizeof(int));
array->size = x;
for (size_t i = 0; i != x; ++i) {
array->content[i] = 0;
}
}
You...
Can I export a variable to the environment from a bash script without sourcing it?
...dates - issues with the suggested method and work arounds the bashrc alias idea would probably be a great way forth
– V H
May 17 '13 at 23:21
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Intent - if activity is running, bring it to front, else start a new one (from notification)
...CODE in my snippet), otherwise those intent flags will not work. I have no idea why it is as it is. Flag FLAG_ACTIVITY_SINGLE_TOP is interchangeable with android:launchMode="singleTop"
in activity tag in manifest.
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Android EditText delete(backspace) key event
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This doesn't work when the edittext is empty, any ideas on how to get an event for the delete key when the edittext is empty and has no text? 4.2
– Rickster
Apr 5 '14 at 9:13
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