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Why do == comparisons with Integer.valueOf(String) give different results for 127 and 128?
...st be, according to JLS 5.1.7. It may be cached outside of that range, but doesn't have to be (and often isn't).
– yshavit
Apr 22 '16 at 19:07
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BeanFactory vs ApplicationContext
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The spring docs are great on this: 3.8.1. BeanFactory or ApplicationContext?.
They have a table with a comparison, I'll post a snippet:
Bean Factory
Bean instantiation/wiring
Application Context
Bean instantiation/wiring
Automati...
How can I find non-ASCII characters in MySQL?
...ToCheck NOT REGEXP '[A-Za-z0-9.,-]';
The most relevant page of the MySQL documentation is probably 12.5.2 Regular Expressions.
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Does anyone still use [goto] in C# and if so why? [closed]
...es the "goto" keyword syntax in C# and what possible reasons there are for doing so.
8 Answers
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Should .nuget folder be added to version control?
...ject to automatically restore NuGet packages so that the packages folder doesn't need to be included in the source code repository. Good.
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Placeholder in UITextView
...Color lightGrayColor]];
}
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(textChanged:) name:UITextViewTextDidChangeNotification object:nil];
}
- (id)initWithFrame:(CGRect)frame
{
if( (self = [super initWithFrame:frame]) )
{
[self setPlaceholder:@"...
How to prevent ENTER keypress to submit a web form?
How do you prevent an ENTER key press from submitting a form in a web-based application?
29 Answers
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Styling an input type=“file” button
How do you style an input type="file" button?
42 Answers
42
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How to check if variable's type matches Type stored in a variable
How do I test if some variable is of some type in this way?
4 Answers
4
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Generate list of all possible permutations of a string
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There are several ways to do this. Common methods use recursion, memoization, or dynamic programming. The basic idea is that you produce a list of all strings of length 1, then in each iteration, for all strings produced in the last iteration, add tha...