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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...
Maven-like dependency management for C++? [closed]
...ce a DLL and different teams of developers work on each of the subproject. Now if I want to build the main project, is there a way to avoid having to build all the subprojects by myself?
...
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 ...
How to set or change the default Java (JDK) version on OS X?
...the major version, like:
export JAVA_HOME=`/usr/libexec/java_home -v 1.8`
Now when you run java -version you will see:
java version "1.6.0_65"
Java(TM) SE Runtime Environment (build 1.6.0_65-b14-462-11M4609)
Java HotSpot(TM) 64-Bit Server VM (build 20.65-b04-462, mixed mode)
Add the export JAVA_HO...
iOS start Background Thread
...
cool! didn't know this. Does this apply to [NSThread detachNewThreadSelector:@selector.... also?
– Srikar Appalaraju
Aug 14 '11 at 7:25
...
byte[] to hex string [duplicate]
...ect(b => b.ToString("X2")) does not work prior to 4.0, the same code is now working on 4.0.
This code...
byte[] ba = { 1, 2, 4, 8, 16, 32 };
string s = string.Concat(ba.Select(b => b.ToString("X2")));
string t = string.Concat(ba.Select(b => b.ToString("X2")).ToArray());
Console.WriteLin...
Generate a heatmap in MatPlotLib using a scatter data set
...in plot; so do (AFAIK) all of the plotting libraries for R; still i don't know if this is the generally accepted term for plots of this type, though i suspect it's likely given that hexbin is short for hexagonal binning, which is describes the essential step in preparing the data for display.)
fr...
UnboundLocalError on local variable when reassigned after first use
...
global c
as the first line of the function.
As for python 3, there is now
nonlocal c
that you can use to refer to the nearest enclosing function scope that has a c variable.
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How to check file MIME type with javascript before upload?
... that the file MIME type could be checked using javascript on client side. Now, I understand that the real validation still has to be done on server side. I want to perform a client side checking to avoid unnecessary wastage of server resource.
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Why em instead of px?
... There is no way to convert between ems and pixels, unless you know what the size of an 'em' is in pixels, in that context. That can depend on the inherited font size of that element, which can in turn depend on the font size of the document as a whole, which can depend on the font size ...