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When and why will a compiler initialise memory to 0xCD, 0xDD, etc. on malloc/free/new/delete?
...ce in some memory buffers
0xFE (unused parts of `std::string` or the user buffer
passed to `fread()`). 0xFD is used in VS 2005 (maybe
some prior versions, too), 0xFE is used in VS 2008
and later.
0xCC...
How and why does 'a'['toUpperCase']() in JavaScript work?
...
To break it down.
.toUpperCase() is a method of String.prototype
'a' is a primitive value, but gets converted into its Object representation
We have two possible notations to access object properties/methods, dot and bracket notation
So
'a'['toUpperCase'];
is the acce...
DBMS_OUTPUT.PUT_LINE not printing
... DBMS_OUTPUT.PUT_LINE('a.firstName' || 'a.lastName');
means to print the string as it is.. remove the quotes to get the values to be printed.So the correct syntax is
DBMS_OUTPUT.PUT_LINE(a.firstName || a.lastName);
shar...
unsigned int vs. size_t
...ead of int / unsigned int pretty much everywhere - from parameters for C string functions to the STL. I am curious as to the reason for this and the benefits it brings.
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Practical usage of setjmp and longjmp in C
...parent class */
char * name; /* this class name string */
int signalNumber; /* optional signal number */
};
typedef struct _Class Class[1]; /* exception class */
typedef enum _Scope /* exception handling scope */
{
OU...
How do you write multiline strings in Go?
Does Go have anything similar to Python's multiline strings:
9 Answers
9
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.NET Format a string with fixed spaces
Does the .NET String.Format method allow placement of a string at a fixed position within a fixed length string.
10 Answers...
Size of character ('a') in C/C++
What is the size of character in C and C++ ? As far as I know the size of char is 1 byte in both C and C++.
4 Answers
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How many bits or bytes are there in a character? [closed]
...'s legacy Asian stuff, and they are stored as multiple char, while Unicode strings are stored using the wchar_t type. By the way, when NT was started a wchar_t was enough to avoid surrogate pairs, but now that it's UTF-16 even wchar_t strings can have variable-length characters, so on Windows a Unic...
Removing leading zeroes from a field in a SQL statement
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select substring(ColumnName, patindex('%[^0]%',ColumnName), 10)
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