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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...
How and why does 'a'['toUpperCase']() in JavaScript work?
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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...
Understanding typedefs for function pointers in C
... a numerical algorithm written in C a while ago. So, could you share your tips and thoughts on how to write good typedefs for pointers to functions (Do's and Do not's), as to why are they useful and how to understand others' work? Thanks!
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How do iOS Push Notifications work?
...e those notifications. Each device establishes an accredited and encrypted IP connection with the service and receives notifications over this persistent connection. Providers connect with APNs through a persistent and secure channel while monitoring incoming data intended for their client applicati...
Ignore whitespace in HTML [duplicate]
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@Lee: Sorry, you got it wrong. (See IP's answer to Matts comment to your answer.)
– Guffa
Apr 13 '10 at 10:52
10
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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 I remove an item from a stl vector with a certain value?
...which can be passed to container_type::erase to do the REAL removal of the extra elements that are now at the end of the container:
std::vector<int> vec;
// .. put in some values ..
int int_to_remove = n;
vec.erase(std::remove(vec.begin(), vec.end(), int_to_remove), vec.end());
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sed or awk: delete n lines following a pattern
.../,$d' out.txt but it gives error saying : sed: -e expression #1, char 24: extra characters after command Thanks in advance.
– N mol
Aug 24 '13 at 2:37
8
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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 do you write multiline strings in Go?
Does Go have anything similar to Python's multiline strings:
9 Answers
9
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