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Determining complexity for recursive functions (Big O notation)
...nd I need help determining the complexity of these recursive functions. I know how to solve simple cases, but I am still trying to learn how to solve these harder cases. These were just a few of the example problems that I could not figure out. Any help would be much appreciated and would greatly he...
Global and local variables in R
...d since it is not defined in this environment
get('var', envir=test.env) # now it can be found
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When should I release objects in -(void)viewDidUnload rather than in -dealloc?
...view
// Release anything that's not essential, such as cached data
}
Now, in the new OS 3.0, there is an -viewDidUnload method, which will be invoked from the system when the view has been unloaded because of low memory (please correct me: when exactly does this get called?)
-viewDidUnload is...
Where are Docker images stored on the host machine?
...ific storage for contents of the images.
/var/lib/docker/graph/<id> now only contains metadata about the image, in the json and layersize files.
In the case of aufs:
/var/lib/docker/aufs/diff/<id> has the file contents of the images.
/var/lib/docker/repositories-aufs is a JSON file ...
await vs Task.Wait - Deadlock?
...anks @MarcGravell. Can you please remove your deletion vote for the answer now?
– Ayushmati
Dec 6 '18 at 15:03
"Can yo...
How can I find the data structure that represents mine layout of Minesweeper in memory?
...t trainers and cheat engines.
Good reverse engineer should first get to know OS, core API functions, program general structure (what is run loop, windows structures, event handling routines), file format (PE). Petzold's classics "Programming Windows" can help (www.amazon.com/exec/obidos/ISBN=15723...
How to remove indentation from an unordered list item?
...
Well, now that you edited your answer the bullets are maintained, but there is still the problem that <li>s with multiple text lines don't correctly indent all lines. It you keep on editing you may finally end up with my solu...
Regex Named Groups in Java
...
(Update: August 2011)
As geofflane mentions in his answer, Java 7 now support named groups.
tchrist points out in the comment that the support is limited.
He details the limitations in his great answer "Java Regex Helper"
Java 7 regex named group support was presented back in September 2...
How to process POST data in Node.js?
...s.parse(body);
// use post['blah'], etc.
});
}
}
Now, for example, if you have an input field with name age, you could access it using the variable post:
console.log(post.age);
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Defining custom attrs
... only xmlns:android="http://schemas.android.com/apk/res/android". You must now also add xmlns:whatever="http://schemas.android.com/apk/res-auto".
Example:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:whatever="ht...