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Java generics T vs Object
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Isolated from context - no difference. On both t and obj you can invoke only the methods of Object.
But with context - if you have a generic class:
MyClass<Foo> my = new MyClass<Foo>();
Foo foo = new Foo();
Then:
Foo newFoo = my.doSomething(foo);
Same code with object
Foo n...
How to detect first time app launch on an iPhone
...y *)launchOptions
{
if (![[NSUserDefaults standardUserDefaults] boolForKey:@"HasLaunchedOnce"])
{
[[NSUserDefaults standardUserDefaults] setBool:YES forKey:@"HasLaunchedOnce"];
[[NSUserDefaults standardUserDefaults] synchronize];
}
return YES;
}
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how to change uiviewcontroller title independent of tabbar item title
I am setting my view controllers title like this in view did load:
8 Answers
8
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Visual Studio: ContextSwitchDeadlock
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The ContextSwitchDeadlock doesn't necessarily mean your code has an issue, just that there is a potential. If you go to Debug > Exceptions in the menu and expand the Managed Debugging Assistants, you will find ContextSwitchDeadlock is enabled. ...
How to get the user input in Java?
I attempted to create a calculator, but I can not get it to work because I don't know how to get user input .
28 Answers
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Using regular expression in css?
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steveaxsteveax
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Ruby capitalize every word first letter
I need to make the first character of every word uppercase, and make the rest lowercase...
8 Answers
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Will #if RELEASE work like #if DEBUG does in C#?
...run when compiled in debug mode? The code I want to surround with this block sends out a bunch of emails, and I don't want to accidentally send those out when testing.
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How to do case insensitive search in Vim
I'd like to search for an upper case word, for example COPYRIGHT in a file. I tried performing a search like:
14 Answers
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what exactly is device pixel ratio?
... this attribute measure.
Can anyone please elaborate what does queries like this check?
4 Answers
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