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shared_ptr to an array : should it be used?
...e expression delete[] p is well-formed and either T is U[N] and Y(*)[N] is convertible to T*, or T is
U[] and Y(*)[] is convertible to T*. ...
To support this, the member type element_type is now defined as
using element_type = remove_extent_t<T>;
Array elements can be access using oper...
How do you convert a byte array to a hexadecimal string, and vice versa?
How can you convert a byte array to a hexadecimal string, and vice versa?
45 Answers
4...
What is a bus error?
...process, they are very common and are typically the result of:
using a pointer to something that was deallocated.
using an uninitialized hence bogus pointer.
using a null pointer.
overflowing a buffer.
PS: To be more precise this is not manipulating the pointer itself that will cause issues, it'...
Convert special characters to HTML in Javascript
Does any one know how to convert special characters to HTML in Javascript ?
26 Answers
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In-place type conversion of a NumPy array
Given a NumPy array of int32 , how do I convert it to float32 in place ? So basically, I would like to do
6 Answers
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“A lambda expression with a statement body cannot be converted to an expression tree”
...rk , I get the error " A lambda expression with a statement body cannot be converted to an expression tree " when trying to compile the following code:
...
Accessing Object Memory Address
...s to say about id():
Return the "identity'' of an object.
This is an integer (or long integer)
which is guaranteed to be unique and
constant for this object during its
lifetime. Two objects with
non-overlapping lifetimes may have the
same id() value. (Implementation note:
this is t...
How to print an exception in Python?
...eption; in an exception handler the current exception is available via the sys.exc_info() function and the traceback.print_exc() function gets it from there. You’d only ever need to pass in an exception explicitly when not handling an exception or when you want to show info based on a different ex...
Converting integer to binary in python
In order to convert an integer to a binary, I have used this code :
14 Answers
14
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Which MySQL datatype to use for an IP address? [duplicate]
...has exactly 4 bytes:
`ipv4` INT UNSIGNED
And INET_ATON and INET_NTOA to convert them:
INSERT INTO `table` (`ipv4`) VALUES (INET_ATON("127.0.0.1"));
SELECT INET_NTOA(`ipv4`) FROM `table`;
For IPv6 addresses you could use a BINARY instead:
`ipv6` BINARY(16)
And use PHP’s inet_pton and inet_...