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Enums and Constants. Which to use when?
...Red,
Blue
}
Or maybe a set of possible things like:
(Example I stole from here as I'm lazy)
[FlagsAttribute]
enum DistributedChannel
{
None = 0,
Transacted = 1,
Queued = 2,
Encrypted = 4,
Persisted = 16,
FaultTolerant = Transacted | Queued | Persisted
}
Constants should be for a...
Removing packages installed with go get
...install (I would much prefer to keep my Go install clean and separate core from custom). How do I remove packages installed previously?
...
Cartesian product of x and y array points into single array of 2D points
... I haven't noticed any case where this approach produces different results from those produced by meshgrid + dstack. Could you post an example?
– senderle
Jul 16 '17 at 22:26
...
How to install a node.js module without using npm?
...
You need to download their source from the github. Find the main file and then include it in your main file.
An example of this can be found here > How to manually install a node.js module?
Usually you need to find the source and go through the package.j...
Why doesn't the JVM cache JIT compiled code?
The canonical JVM implementation from Sun applies some pretty sophisticated optimization to bytecode to obtain near-native execution speeds after the code has been run a few times.
...
File path to resource in our war/WEB-INF folder?
...lder of my app engine project. I read in the FAQs that you can read a file from there in a servlet context. I don't know how to form the path to the resource though:
...
Difference between const & const volatile
... register results in an actual read of the hardware - using a cached value from a previous read won't tell you about changes in the hardware state.
A quick example:
unsigned int const volatile *status_reg; // assume these are assigned to point to the
unsigned char const volatile *recv_reg; // ...
iOS difference between isKindOfClass and isMemberOfClass
... instance of the specified class or an instance of any class that inherits from the specified class.
isMemberOfClass: returns YES if, and only if, the receiver is an instance of the specified class.
Most of the time you want to use isKindOfClass: to ensure that your code also works with subclasses...
What are the differences between a UIView and a CALayer?
... that it can be very easily ported to the Mac. UIViews are very different from NSViews, but CALayers are almost identical on the two platforms. This is why the Core Plot framework lays out its graphs using CALayers instead of other UI elements.
One thing UIViews provide over CALayers is built-in ...
How to get Erlang's release version number from a shell?
...
From the docs for erlang:system_info: As from OTP 17, the OTP release number corresponds to the major OTP version number. No erlang:system_info() argument gives the exact OTP version. See my answer below for an even uglier co...