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How to define a two-dimensional array?
... pass a Python list and reshape
numpy.empty((5, 5)) # allocate, but don't initialize
numpy.ones((5, 5)) # initialize with ones
numpy provides a matrix type as well, but it is no longer recommended for any use, and may be removed from numpy in the future.
...
Why is try {…} finally {…} good; try {…} catch{} bad?
...atement. If you are only using a 'try' in order to ensure resources are de-allocated in the 'finally' block, you might consider the 'using' statement instead:
using (StreamReader reader = new StreamReader('myfile.txt'))
{
// do stuff here
} // reader.dispose() is called automatically
You can ...
How do I safely pass objects, especially STL objects, to and from a DLL?
...ed with different compilers.
To mitigate this, all memory will have to be allocated into a shared heap, and deallocated from the same heap. Fortunately, Windows provides APIs to help with this: GetProcessHeap will let you access the host EXE's heap, and HeapAlloc/HeapFree will let you allocate and ...
How to quit android application programmatically
...nishAffinity(); without System.exit(0); your application will quit but the allocated memory will still be in use by your phone, so... if you want a clean and really quit of an app, use both of them.
This is the simplest method and works anywhere, quit the app for real, you can have a lot of activit...
Why NSUserDefaults failed to save NSMutableDictionary in iOS?
...
When do I need to release the loaded object? No alloc was called, so I would assume it is autorelased?
– Marc
Apr 16 '12 at 13:08
7
...
How can I explicitly free memory in Python?
...do its job. That said, if the OP is in a situation where he is suddenly deallocating a lot of objects (like in the millions), gc.collect may prove useful.
– Jason Baker
Aug 22 '09 at 19:53
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Undocumented NSURLErrorDomain error codes (-1001, -1003 and -1004) using StoreKit
...f(codes)/sizeof(int);
NSMutableArray *array = [[NSMutableArray alloc] init];
for (int i=0;i<size;++i){
[array addObject:[NSNumber numberWithInt:codes[i]]];
}
codesArray = [array copy];
}
}
return codesArray;
}
Then ...
How do you add swap to an EC2 instance?
...file', bs means 'block size' and count is the number of blocks you want to allocate… you can read the man page of the command for more info: linux.die.net/man/1/dd
– Fábio Batista
May 19 '14 at 22:23
...
Conditionally start at different places in storyboard from AppDelegate
...eViewControllerWithIdentifier:storyboardId];
self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
self.window.rootViewController = initViewController;
[self.window makeKeyAndVisible];
return YES;
}
If the storyboard is configured in the app's plist, the ...
What's the most efficient way to erase duplicates and sort a vector?
...explained in my answer, the implementation build a node (including dynamic allocation) for each element from the input sequence, which is wasteful for every value that ends up being a duplicate. There is no way the optimizer could know it could skip that.
– alexk7
...