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What are the differences between Autotools, Cmake and Scons?
...me and are a source for many, many potential breakages of things like mentioned above.
It is pretty much a painful experience to get an Autotools setup to build usable code for a Windows system. (While I've little use for Windows, it is a serious concern if you're developing purportedly cross-platf...
What's the correct way to communicate between controllers in AngularJS?
...se $rootScope.$emit()/ $rootScope.$on() as an EventBus.
However, there is one gotcha when using it from within Controllers. If you directly bind to $rootScope.$on() from within a controller, you'll have to clean up the binding yourself when your local $scope gets destroyed. This is because control...
How do you do Impersonation in .NET?
...an often get lengthy though and that is why you see many examples like the one you reference that try to simplify the process.
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Constructing pandas DataFrame from values in variables gives “ValueError: If using all scalar values
...w (represented by the given dictionary) has no index (not even an implicit one). A simple solution is to wrap the dictionary within a list, which does have "natural indexing". One can claim that if only one dictionary is given (without a wrapping list), then assume index=0, but that can lead to ac...
Get type of a generic parameter in Java with reflection
...
One construct, I once stumbled upon looked like
Class<T> persistentClass = (Class<T>)
((ParameterizedType)getClass().getGenericSuperclass())
.getActualTypeArguments()[0];
So there seems to be some refl...
How are Python's Built In Dictionaries Implemented?
Does anyone know how the built in dictionary type for python is implemented? My understanding is that it is some sort of hash table, but I haven't been able to find any sort of definitive answer.
...
Separators for Navigation
...list items, position the image to the left of the li, but not on the first one.
For example:
#nav li + li {
background:url('seperator.gif') no-repeat top left;
padding-left: 10px
}
This CSS adds the image to every list item that follows another list item - in other words all of them but ...
Or versus OrElse
... be compared to zero, so it falls over.
You should use... well, whichever one makes sense.
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How do I check if an integer is even or odd? [closed]
...d is odd\n", x);
return 0;
}
I then compiled these with gcc 4.1.3 on one of my machines 5 different times:
With no optimization flags.
With -O
With -Os
With -O2
With -O3
I examined the assembly output of each compile (using gcc -S) and found that in each case, the output for and.c and modu...
Primary key or Unique index?
...so implies NOT NULL, but a unique index can be nullable.
There can be only one primary key, but there can be multiple unique indexes.
If there is no clustered index defined then the primary key will be the clustered index.
...