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Quickly create large file on a Windows system
...oftware/rdfc/index-en.html
RDFC is probably not the fastest, but it does allocate data blocks. The absolutely fastest would have to use lower level API to just obtain cluster chains and put them into MFT without writing data.
Beware that there's no silver bullet here - if "creation" returns insta...
How do I call ::std::make_shared on a class with only protected or private constructors?
... suitable to hold an object of type T, shall be well formed. A shall be an allocator (17.6.3.5). The copy constructor and destructor of A shall not throw exceptions.
Since the requirement is unconditionally specified in terms of that expression and things like scope aren't taken into account, I th...
What does immutable mean?
...ed in will not be modified. Once you create a string "foo", some memory is allocated to store the value "foo". This memory will not be altered. If you modify the string with, say, substr(1), a new string is created and a different part of memory is allocated which will store "oo". Now you have two s...
Split string with delimiters in C
...ws where the list of returned strings ends. */
count++;
result = malloc(sizeof(char*) * count);
if (result)
{
size_t idx = 0;
char* token = strtok(a_str, delim);
while (token)
{
assert(idx < count);
*(result + idx++) = st...
Custom Cell Row Height setting in storyboard is not responding
...ormance penalty as said @Brennan in comments, it also cause growing memory allocation at each reloadData something like memory leak! It's needed to use lensovet's workaround above! Spend a day to catch this memory leak!
– skywinder
May 28 '14 at 15:35
...
How can I use NSError in my iPhone App?
...error:(NSError **)error
{
FSProfileInfo *profileInfo = [[FSProfileInfo alloc] init];
if (profileInfo)
{
/* ... lots of parsing code here ... */
if (profileInfo.username == nil)
{
*error = [NSError errorWithDomain:FSMyAppErrorDomain code:FSProfileParsi...
Is there a documented way to set the iPhone orientation?
...ish to use undocumented methods:
UIViewController *c = [[UIViewController alloc]init];
[self presentModalViewController:c animated:NO];
[self dismissModalViewControllerAnimated:NO];
[c release];
It is sufficient to present and dismiss a vanilla view controller.
Obviously you'll still need to con...
How to get the size of a string in Python?
...rint(len('please anwser my question'))
25
B. To get memory size in bytes allocated to store str object, you can use sys.getsizeof() function
>>> from sys import getsizeof
>>> print(getsizeof('please anwser my question'))
50
Python 2:
It gets complicated for Python 2.
A. The...
How to get current time and date in C++?
...
@Petr you only need to call delete on memory allocated with new.
– iheanyi
Aug 15 '14 at 16:52
4
...
How long is the SHA256 hash?
...
varchar also doesn’t allocate space unless its used, unlike char it allocates the number of amount of total characters allowed regardless if there is data filling it.
– Xenland
Feb 11 '13 at 16:44
...