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byte + byte = int… why?
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The third line of your code snippet:
byte z = x + y;
actually means
byte z = (int) x + (int) y;
So, there is no + operation on bytes, bytes are first cast to integers and the result of addition of two integers is a (32-bit) integer.
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VIM Disable Automatic Newline At End Of File
So I work in a PHP shop, and we all use different editors, and we all have to work on windows. I use vim, and everyone in the shop keeps complaining that whenever I edit a file there is a newline at the bottom. I've searched around and found that this is a documented behavior of vi & vim... but I w...
How to hide the title bar for an Activity in XML with existing custom theme
...tlebar for some of my activities. The problem is that I applied a style to all my activities, therefore I can't simply set the theme to @android:style/Theme.NoTitleBar .
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How to scroll up or down the page to an anchor using jQuery?
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This can also be made generic to work with all internal anchor links in the page: $("a[href^=#]").click(function(e) { e.preventDefault(); var dest = $(this).attr('href'); console.log(dest); $('html,body').animate({ scrollTop: $(dest).offset().top }, 'slow'); }...
Mutex example / tutorial? [closed]
... The first person to catch the door-handle of the booth, is the one who is allowed to use the phone. He has to keep holding on to the handle of the door as long as he uses the phone, otherwise someone else will catch hold of the handle, throw him out and talk to his wife :) There's no queue system a...
Deep cloning objects
...ts too complex.
And with the use of extension methods (also from the originally referenced source):
In case of you prefer to use the new extension methods of C# 3.0, change the method to have the following signature:
public static T Clone<T>(this T source)
{
//...
}
Now the method call sim...
Can I zip more than two lists together in Scala?
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Scala treats all of its different tuple sizes as different classes (Tuple1, Tuple2, Tuple3, Tuple4,...,Tuple22) while they do all inherit from the Product trait, that trait doesn't carry enough information to actually use the data values ...
What is the best Java email address validation method? [closed]
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Apache Commons is generally known as a solid project. Keep in mind, though, you'll still have to send a verification email to the address if you want to ensure it's a real email, and that the owner wants it used on your site.
EDIT: There was a bu...
Using GCC to produce readable assembly?
...is nice:
-r shows symbol names on relocations (so you'd see puts in the call instruction below)
-R shows dynamic-linking relocations / symbol names (useful on shared libraries)
-C demangles C++ symbol names
-w is "wide" mode: it doesn't line-wrap the machine-code bytes
-Mintel: use GAS/binutils MA...
How to delete duplicate lines in a file without sorting it in Unix?
... To save it in a file we can do this awk '!seen[$0]++' merge_all.txt > output.txt
– Akash Kandpal
Jul 19 '18 at 11:42
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