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Does making a struct volatile make all its members volatile?
...by the pointer as const or volatile, use a declaration of the form:
const char *cpch;
volatile char *vpch;
To declare the value of the pointer — that is, the actual address stored in the pointer — as const or volatile, use a declaration of the form:
char * const pchc;
char * volatile pchv;
...
MySQL error: key specification without a key length
...oc/refman/5.0/en/char.html "Values in VARCHAR columns are variable-length strings. The length can be specified as a value from 0 to 255 before MySQL 5.0.3, and 0 to 65,535 in 5.0.3 and later versions. The effective maximum length of a VARCHAR in MySQL 5.0.3 and later is subject to the maximum row s...
Indexes of all occurrences of character in a string
...onger than a single character, then it is possible, by analyzing the guess string, to loop through word faster than the above loops do. The benchmark for such an approach is the Boyer-Moore algorithm. However, the conditions that would favor using such an approach do not seem to be present.]
...
Absolute vs relative URLs
... even in a smart IDE, often times they can be missed if they're coded into strings or dynamically created. The worst part of that is that usually those missed references aren't caught until after your solution goes back into production... :(
– dudewad
Dec 21 '1...
Why do I get “a label can only be part of a statement and a declaration is not a statement” if I hav
...("Hello ");
goto Cleanup;
Cleanup: ; //This is an empty statement.
char *str = "World\n";
printf("%s\n", str);
}
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Why aren't pointers initialized with NULL by default?
... then assign.
So now we have the situation that the compiler has added an extra instruction to the code that initializes the variable to NULL then later the developer code is added to do the correct initialization. Or under other conditions the variable is potentially never used. A lot of C++ devel...
How to use clock() in C++
...0;
int min = 0;
int hr = 0;
//cout << "Press any key to start:";
//char start = _gtech();
for (;;)
{
newline();
if(msec == 1000)
{
++sec;
msec = 0;
}
if(sec == 60)
...
Reading a binary file with python
...dy do an integer division by 4; The obtained quotient is multiplied by the string 'i' to create the correct format for the unpack method:
struct.unpack("i" * ((len(fileContent) -24) // 4), fileContent[20:-4])
The end byte: struct.unpack("i", fileContent[-4:])
...
How can I use mySQL replace() to replace strings in multiple records?
...
At a very generic level
UPDATE MyTable
SET StringColumn = REPLACE (StringColumn, 'SearchForThis', 'ReplaceWithThis')
WHERE SomeOtherColumn LIKE '%PATTERN%'
In your case you say these were escaped but since you don't specify how they were escaped, let's say they wer...
What is the “FS”/“GS” register intended for?
...annoyance that DS and ES might have to be loaded (and reloaded) when doing string operations - this at least is offset by one of the best character handling instruction sets of its time.
What really hurts is when user data exceeds 64 KiB and operations have to be commenced. While some operations are...