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How to get the size of a string in Python?
...rint(len('please anwser my question'))
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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'))
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Python 2:
It gets complicated for Python 2.
A. The...
Creating an R dataframe row-by-row
...g structures is one of the least efficient ways to code in R.
If you can, allocate your entire data.frame up front:
N <- 1e4 # total number of rows to preallocate--possibly an overestimate
DF <- data.frame(num=rep(NA, N), txt=rep("", N), # as many cols as you need
strings...
Change string color with NSAttributedString?
...ttributeName : color };
NSAttributedString *attrStr = [[NSAttributedString alloc] initWithString:string attributes:attrs];
self.scanLabel.attributedText = attrStr;
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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
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IE 8: background-size fix [duplicate]
...Method='scale')";
However, this scales the entire image to fit in the allocated area. So
if your using a sprite, this may cause issues.
Caution
The filter has a flaw, any links inside the allocated area are no longer clickable.
...
C: differences between char pointer and array [duplicate]
...sion is actually just a shortcut for array instantiation. So the array is allocated in the stack, and then loaded with the string's data.
– Walt W
Aug 26 '09 at 17:42
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Draw text in OpenGL ES
...'ll find the answer in time, but does your implementation use any run time allocations?
– Nick Hartung
Dec 27 '12 at 18:16
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How can I get a file's size in C? [duplicate]
...ecause I want to put the content of the loaded file into a string, which I allocate using malloc() . Just writing malloc(10000*sizeof(char)); is IMHO a bad idea.
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What is exactly the base pointer and stack pointer? To what do they point?
... ; Create new frame pointer pointing to current stack top
sub esp, 20 ; allocate 20 bytes worth of locals on stack.
Then later in the function you may have code like (presuming both local variables are 4 bytes)
mov [ebp-4], eax ; Store eax in first local
mov ebx, [ebp - 8] ; Load ebx from ...
std::string formatting like sprintf
...
Even better, use asprintf, which allocates a new string with enough space to hold the result. Then copy that to an std::string if you like, and remember to free the original. Also, it's possible to put this in a macro so that any good compiler will help vali...