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What are the calling conventions for UNIX & Linux system calls (and user-space functions) on i386 an
...the kernel for it to be able to find the return address. Arg to register mapping is the same as for int $0x80. You should normally call into the vDSO instead of using sysenter directly. (See The Definitive Guide to Linux System Calls for info on linking and calling into the vDSO, and for more inf...
What are the main disadvantages of Java Server Faces 2.0?
...ver Faces 2.0 which looked truly impressive, even though I am currently a happy ASP.NET MVC / jQuery developer. What I liked most about JSF was the huge amount of AJAX-Enabled UI components which seem to make development much faster than with ASP.NET MVC, especially on AJAX-heavy sites. Integration ...
Context switches much slower in new linux kernels
...force them on during periods of brief inactivity, which are almost always happening unless an all core consuming synthetic benchmark (e.g., stress) is running. You can monitor C state transitions, along with other useful information related to processor frequencies, using the wonderful Google i7z to...
How to “perfectly” override a dict?
...inimal version that shuts the ABC up.
from collections.abc import MutableMapping
class TransformedDict(MutableMapping):
"""A dictionary that applies an arbitrary key-altering
function before accessing the keys"""
def __init__(self, *args, **kwargs):
self.store = dict()
...
What is the maven-shade-plugin used for, and why would you want to relocate Java packages?
...e you will need only one big JAR instead of tons of small JARs to run your app. It also ease distribution in some case.
Just a side-note. Avoid using uber-jar as Maven dependency, as it is ruining the dependency resolution feature of Maven. Normally we create uber-jar only for the final artifact...
Monad in plain English? (For the OOP programmer with no FP background)
... int and returns a Nullable<int> can now have the nullable semantics applied to it.
Furthermore: suppose you have two methods
Nullable<int> X(int q) { ... }
Nullable<int> Y(int r) { ... }
and you want to compose them:
Nullable<int> Z(int s) { return X(Y(s)); }
That is...
Can unit testing be successfully added into an existing production project? If so, how and is it wor
...n a code base with 230 000 + production LOC (real time financial Win-Forms application). That may sound low, but the result was a significant improvement in code quality and defect rate - plus improved morale and profitability.
It can be done when you have both an accurate understanding and commitm...
Understanding PrimeFaces process/update and JSF f:ajax execute/render attributes
...through the entire JSF lifecycle upon (partial) form submit.
JSF will then apply the request values (finding HTTP request parameter based on component's own client ID and then either setting it as submitted value in case of EditableValueHolder components or queueing a new ActionEvent in case of Acti...
Differences between Ant and Maven [closed]
...works. Even though, I'm very much convinced that Maven makes sense, I'd happily use Ant + Ivy with a project team that had a very sharp build engineer. That being said, I do think you'll end up missing out on a number of valuable plugins such as the Jetty plugin and that you'll end up doing a w...
Managing CSS Explosion
...or a website that I am working on. Right now, all the CSS styles are being applied on a per tag basis, and so now I am trying to move it to more of an external styling to help with any future changes.
...