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Sending data back to the Main Activity in Android
I have two activities: main activity and child activity.
When I press a button in the main activity, the child activity is launched.
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Best way to hide a window from the Alt-Tab program switcher?
I've been a .NET developer for several years now and this is still one of those things I don't know how to do properly. It's easy to hide a window from the taskbar via a property in both Windows Forms and WPF, but as far as I can tell, this doesn't guarantee (or necessarily even affect) it being hid...
Splitting a string into chunks of a certain size
...e));
}
Please note that additional code might be required to gracefully handle edge cases (null or empty input string, chunkSize == 0, input string length not divisible by chunkSize, etc.). The original question doesn't specify any requirements for these edge cases and in real life the requirement...
Hidden features of C
I know there is a standard behind all C compiler implementations, so there should be no hidden features. Despite that, I am sure all C developers have hidden/secret tricks they use all the time.
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What does denote in C# [duplicate]
I'm new to C# and directly diving into modifying some code for a project I received. However, I keep seeing code like this :
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Meaning of 'const' last in a function declaration of a class?
...method the this pointer will essentially become a pointer to const object, and you cannot therefore change any member data. (Unless you use mutable, more on that later).
The const keyword is part of the functions signature which means that you can implement two similar methods, one which is called ...
Any idea why I need to cast an integer literal to (int) here?
...comments the cast to int works as intended, because it is a reserved word and therefore can't be interpreted as an identifier, which makes sense to me.
And Bringer128 found the JLS Reference 15.16.
CastExpression:
( PrimitiveType Dimsopt ) UnaryExpression
( ReferenceType ) UnaryExpressio...
Sanitizing strings to make them URL and filename safe?
... you'll have ugly looking URLs.
So, if I were you, after lowercasing, I'd convert any 'special' characters to their equivalent (e.g. é -> e) and replace non [a-z] characters with '-', limiting to runs of a single '-' as you've done. There's an implementation of converting special characters he...
ActiveRecord OR query
...zation and make your queries DB agnostic. The only overhead is where Rails converts the syntax to SQL query. And it is just a matter of milliseconds. Ofcourse you should write the best performant SQL query and try to convert it to ActiveRecord syntax. If the SQL cannot be represented in ActiveRecord...
Javascript / Chrome - How to copy an object from the webkit inspector as code
...'s done - to copy that object as javascript code. What I'm trying to do is convert an object that was created using ajax to parse an xml feed into a static javascript object so that a file can run locally, without a server. I've included a screenshot of the object in the chrome inspector window so y...