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What is meant by “managed” vs “unmanaged” resources in .NET?
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// Code to use connection here
}
As this ensures that .Dispose() is called on the connection object, ensuring that any unmanaged resources are cleaned up.
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What's the difference between setWebViewClient vs. setWebChromeClient?
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From the source code:
// Instance of WebViewClient that is the client callback.
private volatile WebViewClient mWebViewClient;
// Instance of WebChromeClient for handling all chrome functions.
private volatile WebChromeClient mWebChromeClient;
// SOME OTHER SUTFFF.......
/**
* Set the WebVie...
Async image loading from url inside a UITableView cell - image changes to wrong image while scrollin
...r. updateCell.poster.image = nil to cell.poster.image = nil; updateCell is called before it's declared.
– Segev
May 21 '13 at 7:09
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Django Passing Custom Form Parameters to Formset
.... They do the same thing, except that functools.partial returns a distinct callable type instead of a regular Python function, and the partial type does not bind as an instance method, which neatly solves the problem this comment thread was largely devoted to debugging.
– Carl ...
Global and local variables in R
... <<-"
> bar
[1] "global"
The first time we print bar we haven't called foo yet so it should still be global - this makes sense. The second time we print it's inside of foo before calling baz so the value "in foo" makes sense. The following is where we see what <<- is actually doin...
What is difference between Collection.stream().forEach() and Collection.forEach()?
...rable.forEach takes the collection's lock once and holds it across all the calls to the action method. The Stream.forEach call uses the collection's spliterator, which does not lock, and which relies on the prevailing rule of non-interference. The collection backing the stream could be modified duri...
How to overcome TypeError: unhashable type: 'list'
...ionary keys during a dictionary lookup quickly.
Internally, hash() method calls __hash__() method of an object which are set by default for any object.
Converting a nested list to a set
>>> a = [1,2,3,4,[5,6,7],8,9]
>>> set(a)
Traceback (most recent call last):
File "<stdin...
How do I tell matplotlib that I am done with a plot?
...the PDF backend (which allows you to save multiple plots) you will need to call this after each call to plt.save()
– Ben DeMott
Nov 11 '11 at 16:54
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How to find a min/max with Ruby
...rray#max, which are way faster than Enumerable's methods because they skip calling #each.
@nicholasklick mentions another option, Enumerable#minmax, but this time returning an array of [min, max].
[4, 5, 7, 10].minmax
=> [4, 10]
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In Python script, how do I set PYTHONPATH?
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Did you try re-initialising it by calling sys.path.__init__()? This should empty python path. Hope this helps.
– Thayz
Jan 3 '19 at 12:17
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