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What's the difference between IQueryable and IEnumerable
...t I have two where clauses, then will all tuples of the entities be first fetched into memory and then the normal 'in-memory' filtering will occur?
– Vaibhav
Apr 6 '15 at 11:51
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Using a custom typeface in Android
...eface is a integral part of UI Styling like you do with backgrounds images etc. And size is not necessarily big always. For instance, the font in my case is just 19.6KB :)
– Codevalley
Jun 6 '10 at 5:01
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Are Git forks actually Git clones?
... origin and upstream on GitHub?"
And with Git 2.20 (Q4 2018) and more, fetching from fork is more efficient, with delta islands.
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Do any JVM's JIT compilers generate code that uses vectorized floating point instructions?
...ust how the algorithm is, yes I've run Proguard to optimize the byte code, etc.
8 Answers
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Why is it faster to check if dictionary contains the key, rather than catch the exception in case it
...ng exceptions is inherently expensive, because the stack has to be unwound etc.
On the other hand, accessing a value in a dictionary by its key is cheap, because it's a fast, O(1) operation.
BTW: The correct way to do this is to use TryGetValue
obj item;
if(!dict.TryGetValue(name, out item))
r...
How is attr_accessible used in Rails 4?
...n practice, though, this moves Rails away from fat model, thin controller, etc, and towards thin models, and really bloated controllers. You have to write all this stuff for every instance, it doesn't read nicely, and nesting seems to be a pain. The old attr_accessible/attr_accessor in the model s...
Configuring so that pip install can work from github
... when I had to install from github repo, but did not want to install git , etc.
The simple way to do it is using zip archive of the package. Add /zipball/master to the repo URL:
$ pip install https://github.com/hmarr/django-debug-toolbar-mongo/zipball/master
Downloading/unpacking https://githu...
Remove padding or margins from Google Charts
... possible to tune the appearance, e.g. height:' 90%', textPosition: 'out', etc.
– Jiri Kriz
Apr 29 at 9:54
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Formula to determine brightness of RGB color
...the only CORRECT algorithm for converting sRGB images, as used in browsers etc., to grayscale.
It is necessary to apply an inverse of the gamma function for the color space before calculating the inner product. Then you apply the gamma function to the reduced value. Failure to incorpor
Best way to find the intersection of multiple sets?
...duce. It can in general be used quite nicely to build lists, sets, strings etc. Worth a look also is github.com/EntilZha/PyFunctional
– Andreas
Nov 16 '16 at 6:03
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