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Fastest way to determine if an integer's square root is an integer
...t obvious answers. This includes negative numbers and looking at the last 4 bits. (I found looking at the last six didn't help.) I also answer yes for 0. (In reading the code below, note that my input is int64 x.)
if( x < 0 || (x&2) || ((x & 7) == 5) || ((x & 11) == 8) )
retu...
Java JTable setting Column Width
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45
What happens if you call setMinWidth(400) on the last column instead of setPreferredWidth(400)?...
How do CSS triangles work?
...e Acts
As alex said, borders of equal width butt up against each other at 45 degree angles:
When you have no top border, it looks like this:
Then you give it a width of 0...
...and a height of 0...
...and finally, you make the two side borders transparent:
That results in a triangle....
Setting default values for columns in JPA
... Jasper
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answered Dec 17 '08 at 16:44
Cameron PopeCameron Pope
6,620...
dyld: Library not loaded: @rpath/libswift_stdlib_core.dylib
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edited Feb 16 '17 at 10:46
Raphael
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answered Se...
How do I start Mongo DB from Windows?
I have installed MongoDB on my Windows 7 (64 bit) machine. I have created the path data/db too but when I tried to start mongodb using the command 'C:\mongodb\bin\mongod.exe' , it is not starting. It is showing admin web console waiting for connections on port 28017 .
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Print current call stack from a method in Python code
...stack.py", line 10, in <module>
# f()
# File "so-stack.py", line 4, in f
# g()
# File "so-stack.py", line 7, in g
# for line in traceback.format_stack():
If you really only want to print the stack to stderr, you can use:
traceback.print_stack()
Or to print to stdout (useful if...
Adjusting the Xcode iPhone simulator scale and size [duplicate]
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edited Sep 4 at 21:31
Jean-François Fabre♦
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ASP.NET MVC 404 Error Handling [duplicate]
I've made the changes outlined at 404 Http error handler in Asp.Net MVC (RC 5) and I'm still getting the standard 404 error page. Do I need to change something in IIS?
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How to use UIScrollView in Storyboard
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149
I'm answering my own question because I just spent 2 hours to find the solution and StackOverfl...