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How do I profile memory usage in Python?
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Python 3.4 includes a new module: tracemalloc. It provides detailed statistics about which code is allocating the most memory. Here's an example that displays the top three lines allocating memory.
from collections import Counter
import linecache
import os
import ...
How does the NSAutoreleasePool autorelease pool work?
As I understand it, anything created with an alloc , new , or copy needs to be manually released. For example:
7 Answer...
ios app maximum memory budget
...void the instant memory splashes (e.g. you're using 40 Mb of RAM, and then allocating 80 Mb's more for some short computation). In this case iOS would kill your application immediately.
You should also consider lazy loading of assets (load them only when you really need and not beforehand).
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Is an array name a pointer?
...a normal pointer would)?
When you create an array, the only space that's allocated is the space for the elements themselves; no storage is materialized for a separate pointer or any metadata. Given
char a[10];
what you get in memory is
+---+
a: | | a[0]
+---+
| | a[1]
+---+
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Is there a way to keep Hudson / Jenkins configuration files in source control?
... Wouldn't storing the user configs expose the plaintext API tokens in their config.xml?
– Boon
Feb 5 '16 at 16:54
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How do I create multiple submit buttons for the same form in Rails?
...lly like this solution. However, I had to add a hidden field with the CSRF token even though I was already using form helpers or Rails would not accept the token. I could not find a better workaround and am still not sure why exactly this happens or just adding the token again fixes it.
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How to use UIVisualEffectView to Blur Image?
...isualEffectView *visualEffectView;
visualEffectView = [[UIVisualEffectView alloc] initWithEffect:blurEffect];
visualEffectView.frame = imageView.bounds;
[imageView addSubview:visualEffectView];
and Swift:
var visualEffectView = UIVisualEffectView(effect: UIBlurEffect(style: .Light))
visualE...
How do I create an array of strings in C?
...ar *a[2];
a[0] = "blah";
a[1] = "hmm";
When you do it like this you will allocate an array of two pointers to const char. These pointers will then be set to the addresses of the static strings "blah" and "hmm".
If you do want to be able to change the actual string content, the you have to do some...
Regular expression for first and last name
...ames, then several things that are not names. The not names list has 'test token' as the first entry. This matches that.
– Rob
Mar 23 '17 at 22:01
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What is the difference between a reference type and value type in c#?
...tting Object-oriented programming
Drawbacks:
More work referencing when allocating and dereferences when reading the value.extra overload for garbage collector
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