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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 cod...
How to detect first time app launch on an iPhone
...ingWithOptions:(NSDictionary *)launchOptions
{
if (![[NSUserDefaults standardUserDefaults] boolForKey:@"HasLaunchedOnce"])
{
[[NSUserDefaults standardUserDefaults] setBool:YES forKey:@"HasLaunchedOnce"];
[[NSUserDefaults standardUserDefaults] synchronize];
}
return YE...
how to change uiviewcontroller title independent of tabbar item title
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in xcode 9 and ios 11 in swift 4 it show error that unambiguous use of title
– Sushobhit
Oct 4 '17 at 13:15
1
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Is 1.0 a valid output from std::generate_canonical?
I always thought random numbers would lie between zero and one, without 1 , i.e. they are numbers from the half-open interval [0,1). The documention on cppreference.com of std::generate_canonical confirms this.
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Difference between . and : in Lua
I am confused about the difference between function calls via . and via :
3 Answers
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android image button
How can i create a button with no text and an image centered horizontally ?
I don't want to use an ImageButton because I want to define a different backgound image
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How to do case insensitive search in Vim
... Also, \c can appear anywhere in the pattern, so if you type a pattern and then decide you wanted a case-insensitive search, just add a \c at the end.
– Alok Singhal
Feb 18 '10 at 9:20
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Generate C# class from XML
...D:\temp\test.cs'.
Notes
Answer how to change directory in Developer Command Prompt to d:\temp may be useful.
If you generate classes for multi-dimensional array, there is a bug in XSD.exe generator, but there are workarounds.
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HTML form readonly SELECT tag/input
...lect element disabled but also add another hidden input with the same name and value.
If you reenable your SELECT, you should copy its value to the hidden input in an onchange event and disable (or remove) the hidden input.
Here is a demo:
$('#mainform').submit(function() {
$('#formdata_...
Visual Studio Clicking Find Results Opens Code in Wrong Window
I'm using Visual Studio 2010 and when I do a "Find in Files" the results are returned to the "Find Results 1" window which is docked below my code editor window.
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