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Check if at least two out of three booleans are true
... on Intel Core 2 + sun java 1.6.0_15-b03 with HotSpot Server VM (14.1-b02, mixed mode)):
First and second iterations:
a&&b || b&&c || a&&c : 1740 ms
a ? b||c : b&&c : 1690 ms
a&b | b&c | c&a : 835 ms
a + b + c >= 2 : 348 ms
DEAD...
ARC and bridged cast
...
I agree that the description is confusing. Since I just grasped them, I'll try to summarize:
(__bridge_transfer <NSType>) op or alternatively CFBridgingRelease(op) is used to consume a retain-count of a CFTypeRef while transferring it over to...
What is the difference between concurrency and parallelism?
...l or concurrent programming are basically talking about Case 6. This is a mix and match of both parallel and concurrent executions.
Concurrency and Go
If you see why Rob Pike is saying concurrency is better, you have to understand that the reason is. You have a really long task in which there ar...
Pip freeze vs. pip list
...the "requirements format".
Here, django==1.4.2 implies install django version 1.4.2 (even though the latest is 1.6.x).
If you do not specify ==1.4.2, the latest version available would be installed.
You can read more in "Virtualenv and pip Basics",
and the official "Requirements File Format" doc...
Is ServiceLocator an anti-pattern?
...te a composition root, whether it be Pure DI, or Containers. Also, you are mixing the use of Service Location, as being a component of your pattern, with the definition of the "Service Locator Pattern." With that definition, Composition Root DI could be considered a "Service Locator Pattern." So th...
Working Soap client example
... //do nothing here most likely, as the response nearly never has mixed content type
//this is just for your reference
}
}
// print SOAP Response
System.out.println("Response SOAP Message:");
soapResponse.writeTo(System.out);
soapConnection.close();
...
Multiple inheritance/prototypes in JavaScript
...iple inheritance [edit, not proper inheritance of type, but of properties; mixins] in Javascript is pretty straightforward if you use constructed prototypes rather than generic-object ones. Here are two parent classes to inherit from:
function FoodPrototype() {
this.eat = function () {
...
JavaScript inheritance: Object.create vs new
...e argument for using Object.create() is that it might look more natural to mix/*inherit* from other objects, than using Javascripts default way.
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Why #egg=foo when pip-installing from git repo
...#egg=Package so pip knows what to expect at that URL. See https://pip.pypa.io/en/stable/reference/pip_install/#vcs-support
more on eggs
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What exactly are unmanaged resources?
...llector does not know about. For example:
Open files
Open network connections
Unmanaged memory
In XNA: vertex buffers, index buffers, textures, etc.
Normally you want to release those unmanaged resources before you lose all the references you have to the object managing them. You do this by cal...