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How to copy an object in Objective-C
...l - the Objective C manual calls such an object "functionally independent" from it's original. Because the mechanisms for making these "intelligent" copies varies from class to class, we ask the objects themselves to perform them. This is the NSCopying protocol.
You want the latter. If this is one...
C++ Convert string (or char*) to wstring (or wchar_t*)
...onverter.to_bytes(wide_utf16_source_string);
std::wstring wide = converter.from_bytes(narrow_utf8_source_string);
Longer online compilable and runnable example:
(They all show the same example. There are just many for redundancy...)
http://ideone.com/KA1oty
http://ide.geeksforgeeks.org/5pRLSh
h...
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...
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?
...
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...
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; // ...
How to remove specific value from array using jQuery
...oveItem;
});
Result:
[1, 3]
http://snipplr.com/view/14381/remove-item-from-array-with-jquery/
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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.
...
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
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