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John Carmack's Unusual Fast Inverse Square Root (Quake III)
...code below. Can someone explain line by line what exactly is going on here and why this works so much faster than the regular implementation?
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Should the hash code of null always be zero, in .NET
...the same hash code.
Returning 0 or -1 for null, so long as you choose one and return it all the time, will work. Obviously, non-null hash codes should not return whatever value you use for null.
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GetHashCode on null fields?
What should GetHashCode return when object's identifie...
iOS difference between isKindOfClass and isMemberOfClass
What is the difference between the isKindOfClass:(Class)aClass and the isMemberOfClass:(Class)aClass functions?
I know it is something small like, one is global while the other is an exact class match but I need someone to specify which is which please.
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how to show progress bar(circle) in an activity having a listview before loading the listview with d
... ListView in my second activity.OnItemClick of it I called a webservice and trying to fetch data. And after that I am moving to third activity which also have a ListView having description of previous activities ListView item.
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Can HTML checkboxes be set to readonly?
...avascript prevents continuing the chain of execution for the click or key handler. Has nothing to do with the checkbox's state
– Jessica Brown
Aug 20 '11 at 2:03
9
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Jackson Vs. Gson [closed]
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I did this research the last week and I ended up with the same 2 libraries. As I'm using Spring 3 (that adopts Jackson in its default Json view 'JacksonJsonView') it was more natural for me to do the same. The 2 lib are pretty much the same... at the end they...
Closure in Java 7 [closed]
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If anyone is dumb like me and if you are beating your head against the wall just to know What the hack is this Closure....then here you go.. youtube.com/watch?v=Nj3_DMUXEbE
– Piyush Kukadiya
Jan 2 '17 at 7:35
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How to create a numpy array of all True or all False?
...s very easily:
e.g. numpy.ones((2, 2)) or numpy.zeros((2, 2))
Since True and False are represented in Python as 1 and 0, respectively, we have only to specify this array should be boolean using the optional dtype parameter and we are done.
numpy.ones((2, 2), dtype=bool)
returns:
array([[ True, ...
Check if database exists in PostgreSQL using shell
...rows" will succeed. So we pipe this output through a bunch of built-in command line tools to only search in the first column.
The -t flag removes headers and footers:
my_db | my_user | UTF8 | en_US.UTF8 | en_US.UTF8 |
postgres | postgres | LATIN1 | en_US | en_US |
te...
How do I disable text selection with CSS or JavaScript? [duplicate]
... edited Jun 1 '15 at 17:08
Andy
1,4461515 silver badges3333 bronze badges
answered Sep 23 '10 at 14:44
Je...