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Python - Create a list with initial capacity
...bject %d" % ( i, )
result.append(message)
return result
def doAllocate( size=10000 ):
result=size*[None]
for i in range(size):
message= "some unique object %d" % ( i, )
result[i]= message
return result
Results. (evaluate each function 144 times and average ...
ArrayBuffer to base64 encoded string
...p(b => String.fromCharCode(b)).join('')).
– e741af0d41bc74bf854041f1fbdbf
Sep 19 at 7:00
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ios Upload Image and Text using HTTP POST
...programmed to accept.
NSMutableDictionary* _params = [[NSMutableDictionary alloc] init];
[_params setObject:[NSString stringWithString:@"1.0"] forKey:[NSString stringWithString:@"ver"]];
[_params setObject:[NSString stringWithString:@"en"] forKey:[NSString stringWithString:@"lan"]];
[_params setObje...
Are tuples more efficient than lists in Python?
...les can be reused instead of copied.
3) Tuples are compact and don't over-allocate.
4) Tuples directly reference their elements.
Tuples can be constant folded
Tuples of constants can be precomputed by Python's peephole optimizer or AST-optimizer. Lists, on the other hand, get built-up from scra...
Clear a terminal screen for real
...nswered Jan 29 '14 at 17:55
N1mr0dN1mr0d
38344 silver badges1010 bronze badges
...
presentViewController and displaying navigation bar
...troller you want:
MyViewController *myViewController = [[MyViewController alloc] initWithNibName:nil bundle:nil];
UINavigationController *navigationController =
[[UINavigationController alloc] initWithRootViewController:myViewController];
//now present this navigation controller modally
[sel...
Hex transparency in colors [duplicate]
...6
35% — 59
30% — 4D
25% — 40
20% — 33
15% — 26
10% — 1A
5% — 0D
0% — 00
(source)
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General guidelines to avoid memory leaks in C++ [closed]
...rams? How do I figure out who should free memory that has been dynamically allocated?
29 Answers
...
How can I bind to the change event of a textarea in jQuery?
.../2012/06/14/propertychange-on-internet-explorer-9
– c0D3l0g1c
Apr 11 '14 at 13:06
11
I see you us...
What does “dereferencing” a pointer mean?
... // Note earlier ++p and + 2 here => sizes[3]
Pointers to dynamically allocated memory
Sometimes you don't know how much memory you'll need until your program is running and sees what data is thrown at it... then you can dynamically allocate memory using malloc. It is common practice to store ...