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How are 3D games so efficient? [closed]
...ever understood. How can a great big PC game like GTA IV use 50% of my CPU and run at 60fps while a DX demo of a rotating Teapot @ 60fps uses a whopping 30% ?
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What's the false operator in C# good for?
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You can use it to override the && and || operators.
The && and || operators can't be overridden, but if you override |, &, true and false in exactly the right way the compiler will call | and & when you write || and &&.
For example, ...
Cannot use ref or out parameter in lambda expressions
...ld need to be visible on the ref parameter itself. Both within the method and in the caller.
These are somewhat incompatible properties and are one of the reasons they are disallowed in lambda expressions.
share
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super() fails with error: TypeError “argument 1 must be type, not classobj” when parent does not inh
...t declared as a "new-style" class. Change it like so:
class B(object):
and it will work.
super() and all subclass/superclass stuff only works with new-style classes. I recommend you get in the habit of always typing that (object) on any class definition to make sure it is a new-style class.
O...
Why is there no GIL in the Java Virtual Machine? Why does Python need one so bad?
...t need a GIL (which is why it can perfectly be implemented on JVM [Jython] and .NET [IronPython], and those implementations multithread freely). CPython (the popular implementation) has always used a GIL for ease of coding (esp. the coding of the garbage collection mechanisms) and of integration of ...
Image loaded event in for ng-src in AngularJS
...age onload http://jsfiddle.net/2CsfZ/2/
Basic idea is create a directive and add it as attribute to img tag.
JS:
app.directive('imageonload', function() {
return {
restrict: 'A',
link: function(scope, element, attrs) {
element.bind('load', function() {
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How to vertically align elements in ?
I have a horizontal <ul> and I need to center each <li> in it vertically. My markup is below. Each <li> has a border, and I need the items as well as their contents to be in the middle vertically. Please help; I am new to CSS.
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What is the precise meaning of “ours” and “theirs” in git?
... might sound like too basic of a question, but I have searched for answers and I am more confused now than before.
7 Answer...
Why is parenthesis in print voluntary in Python 2.7?
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In Python 2.x print is actually a special statement and not a function*.
This is also why it can't be used like: lambda x: print x
Note that (expr) does not create a Tuple (it results in expr), but , does. This likely results in the confusion between print (x) and print (x, ...
Static function variables in Swift
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Yeah, I continued playing around a bit and this was basically the really clunky solution I came up with as well.
– nhgrif
Aug 18 '14 at 0:29
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