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Java LinkedHashMap get first or last entry
...ent because of the few extra cycles wasted in creating array and the space allocated for the array.
– Durin
May 29 '12 at 15:13
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std::string length() and size() member functions
...having,
size==size of those bits,
In strings both are same if the editor allocates size of character is 1 byte
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Windows threading: _beginthread vs _beginthreadex vs CreateThread C++
...untime calls. Even STL usage is limited in that you have to provide custom allocators to use WIN32 memory management functions. The setup to do this with Developer Studio is a job in itself, but for an only-ever-WIN32 lib with the smallest possible footprint, it can be done. But yeah, it ain't blood...
How to know what the 'errno' means?
...LOCK Resource temporarily unavailable
12 ENOMEM Cannot allocate memory
13 EACCES Permission denied
14 EFAULT Bad address
15 ENOTBLK Block device required
16 EBUSY Device or resource busy
17 EEXIST File exists
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How to pass an ArrayList to a varargs method parameter?
...tions.size()]))
(toArray(new WorldLocation[0]) also works, but you would allocate a zero length array for no reason.)
Here's a complete example:
public static void method(String... strs) {
for (String s : strs)
System.out.println(s);
}
...
List<String> strs = new ArrayLi...
Does the order of LINQ functions matter?
...icantly faster.
The reduced memory pressure can be significant too, since allocations on the large object heap(together with their collection) are relatively expensive in my experience.
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How to create custom easing function with Core Animation?
...s with a nice sample code.
- (void)viewDidLoad {
UIView *v = [[UIView alloc] initWithFrame:CGRectMake(0.0, 0.0, 50.0, 50.0)];
v.backgroundColor = [UIColor redColor];
CGFloat y = self.view.bounds.size.height;
v.center = CGPointMake(self.view.bounds.size.width/2.0, 50.0/2.0);
[se...
How to truncate string using SQL server
...en outputting to a text file because only the new number of characters are allocated to that column in the output text file. (e.g. 50 instead of 1000) for more compact results.
– BillDarcy
Apr 15 '15 at 20:01
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Python hashable dicts
...using itervalues will access the values directly and avoid the many memory allocator calls using by items to form new many key/value tuples in memory every time you do a lookup.
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Perform Segue programmatically and pass parameters to the destination view
...ectAtIndex:[indexPath row]];
StoryModel *storyModel = [[StoryModel alloc] init];
storyModel = storiesDict;
StoryDetails *controller = (StoryDetails *)segue.destinationViewController;
controller.dataModel= storyModel;
}
}
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