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How to use glOrtho() in OpenGL?
... and z are in [-1, +1]
ignore the z component and take only x and y, which now can be put into a 2D screen
With glOrtho, z is ignored, so you might as well always use 0.
One reason you might want to use z != 0 is to make sprites hide the background with the depth buffer.
Deprecation
glOrtho is ...
What's the opposite of chr() in Ruby?
...
Now that Ruby 1.9 has changed the meaning of 'A'[0], this is the more portable method.
– AShelly
Nov 22 '08 at 1:11
...
Method Resolution Order (MRO) in new-style classes?
...ry interpretation of C3 linearization as follows: (Someone please let me know if this is wrong.)
Consider this example:
class I(G):
def m(self):
print("I")
super().m()
class H():
def m(self):
print("H")
class G(H):
def m(self):
print("G")
supe...
What is a higher kinded type in Scala?
...
Adriaan's "Type Constructor Polymorphism" article now at adriaanm.github.com/research/2010/10/06/…
– Steven Shaw
Jun 6 '12 at 7:39
...
How to remove unused imports from Eclipse
...
I know this is a very old thread. I found this way very helpful for me:
Go to Window → Preferences → Java → Editor → Save Actions.
Check the option "Perform the selected actions on save".
Check the option "Organize imp...
Changing default shell in Linux [closed]
...l prompt you to enter your password.
Your default login shell is /bin/bash now. You must log out and log back in to see this change.
The following is quoted from man page:
The chsh command changes the user login shell. This determines the
name
of the users initial login command. A no...
Why is an int in OCaml only 31 bits?
Haven't seen this "feature" anywhere else. I know that the 32nd bit is used for garbage collection. But why is it that way only for ints and not for the other basic types?
...
What is the performance of Objects/Arrays in JavaScript? (specifically for Google V8)
...;
var lastLongI = 1;
for(var i=0;i<10000;i++)
{
var before = Date.now();
for(var j=0;j<arrayCount;j++)
dynamicArrays[j][i] = i;
var span = Date.now() - before;
if (span > 10)
{
console.log(i + ": " + span + "ms" + " " + (i / lastLongI));
lastLongI =...
classical inheritance vs prototypal inheritance in javascript
...rld entity (i.e. they represent real word things in the program). This is known as abstraction.
Abstraction: The representation of real world things in computer programs.
Theoretically an abstraction is defined as "a general concept formed by extracting common features from specific examples". How...
Razor comment syntax
... Actually, it's still correct but they added a new @* * syntax. So now there are three ways to comment. Not just the one by JarretV.
– Buildstarted
Nov 15 '10 at 17:26
...