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Qt events and signal/slots
...rived
from the abstract QEvent class, that
represent things that have happened
either within an application or as a
result of outside activity that the
application needs to know about.
Events can be received and handled by
any instance of a QObject subclass,
but they are especially r...
Git for beginners: The definitive practical guide
... same via git add -i, but I find it easier to use.
It isn't the prettiest application, but it works on almost all platforms (being based upon Tcl/Tk)
Screenshots | a screencast
GitK
Also included with git. It is a git history viewer, and lets you visualise a repository's history (including bra...
How can I get the client's IP address in ASP.NET MVC?
I'm totally new to the ASP.NET MVC stack, and I was wondering what happened to the simple Page object and the Request ServerVariables object?
...
How can I profile C++ code running on Linux?
I have a C++ application, running on Linux, which I'm in the process of optimizing. How can I pinpoint which areas of my code are running slowly?
...
How do I animate constraint changes?
I'm updating an old app with an AdBannerView and when there is no ad, it slides off screen. When there is an ad it slides on the screen. Basic stuff.
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Class does not implement its superclass's required members
...ta 5 today and noticed I received errors in nearly all of my subclasses of Apple's classes.
4 Answers
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Why is there no xrange function in Python3?
...ments, using timeit instead of trying to do it manually with time.
First, Apple 2.7.2 64-bit:
In [37]: %timeit collections.deque((x for x in xrange(10000000) if x%4 == 0), maxlen=0)
1 loops, best of 3: 1.05 s per loop
Now, python.org 3.3.0 64-bit:
In [83]: %timeit collections.deque((x for x in ...
Drawing a connecting line between two elements [closed]
...mprehensive data binding layer, as well as several UI widgets for building applications and integrations for popular libraries, and is commercially licensed.
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What is an EJB, and what does it do?
...ers over the web or corporate network and somewhat less valuable for small apps within a department.
Reusing/Sharing Logic across multiple applications/clients with Loose Coupling.
EJBs can be packaged in their own jars, deployed, and invoked from lots of places.
They are common components. True,...
Why use prefixes on member variables in C++ classes
...e lowercase letters are not allowed. In my specific case, I found the _L happened to be reserved by Visual C++ 2005 and the clash created some unexpected results.
I am on the fence about how useful it is to mark up local variables.
Here is a link about which identifiers are reserved:
What are the...