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Get Mouse Position
I would like to simulate a natural mouse movement in Java (going from here to there pixel by pixel). To do that I need to know the starting coordinates.
...
Proper usage of Optional.ifPresent()
...ingWithUser);
Method ifPresent() get Consumer object as a paremeter and (from JavaDoc): "If a value is present, invoke the specified consumer with the value." Value it is your variable user.
Or if this method doSomethingWithUser is in the User class and it is not static, you can use method refere...
Collection versus List what should you use on your interfaces?
...mbiguity. Collection<T> and ReadOnlyCollection<T> both derive from ICollection<T> (i.e. there is no IReadOnlyCollection<T>). If you return the interface, it's not obvious which one it is and whether it can be modified. Anyway, thanks for your input. This was a good sanity...
Why it's not possible to use regex to parse HTML/XML: a formal explanation in layman's terms
...ta structure underlying a regular
expression) does not have memory apart from the state it's in, and if
you have arbitrarily deep nesting, you need an arbitrarily large
automaton, which collides with the notion of a finite automaton.
The definition of regular expressions is equivalent to the...
Are Swift variables atomic?
...ly to assume as no low-level documentation is available, but you can study from assembly. Hopper Disassembler is a great tool.
@interface ObjectiveCar : NSObject
@property (nonatomic, strong) id engine;
@property (atomic, strong) id driver;
@end
Uses objc_storeStrong and objc_setProperty_atomic f...
Rspec, Rails: how to test private methods of controllers?
... directly, they can and should be tested indirectly by exercising the code from public methods.
This allows you to change the internals of your code down the road without having to change your tests.
share
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How to [recursively] Zip a directory in PHP?
...lse if (is_file($file) === true)
{
$zip->addFromString(str_replace($source . '/', '', $file), file_get_contents($file));
}
}
}
else if (is_file($source) === true)
{
$zip->addFromString(basename($source), file_get_contents($sou...
Benefits of header-only libraries
...tages of a header-only library:
Bigger object files. Every inline method from the library that is used in some source file will also get a weak symbol, out-of-line definition in the compiled object file for that source file. This slows down the compiler and also slows down the linker. The compiler...
How to add dividers and spaces between items in RecyclerView?
...lication to add a special drawing and layout offset to specific item views from the adapter's data set. This can be useful for drawing dividers between items, highlights, visual grouping boundaries and more.
All ItemDecorations are drawn in the order they were added, before the item views (in onDraw...
What is the maximum length of a URL in different browsers?
...r site to work for the majority of
Internet users.
(Note: this is a quote from an article written in 2006, but in 2015 IE's declining usage means that longer URLs do work for the majority. However, IE still has the limitation...)
Internet Explorer's limitations...
IE8's maximum URL length is 2083 c...