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What are “named tuples” in Python?
...gt; pickle.loads(pickle.dumps(foo()))
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
_pickle.PicklingError: Can't pickle <class '__main__.LocalNT'>: attribute lookup LocalNT on __main__ failed
Why/when should I use named tuples instead of normal tuple...
What does it mean to hydrate an object?
... it with domain data (such as from a database, from the network, or from a file system).
From Erick Robertson's comments on this answer:
deserialization == instantiation + hydration
If you don't need to worry about blistering performance, and you aren't debugging performance optimizations tha...
UITableViewCell with UITextView height in iOS 7?
... }
}
You can add that IOS_NEWER_OR_EQUAL_TO_7 on your prefix.pch file in your project as:
#define IOS_NEWER_OR_EQUAL_TO_7 ( [ [ [ UIDevice currentDevice ] systemVersion ] floatValue ] >= 7.0 )
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What is the bower (and npm) version syntax?
... where .x would serve. As an example, see npm itself: its own package.json file includes lots of dependencies in ~2.4.0 format, rather than the 2.4.x format it could use. By sticking to ~, the syntax is consistent all the way down a list of 70+ versioned dependencies, regardless of which beginning p...
How to correctly close a feature branch in Mercurial?
...n just combine merge commit with --close-branch flag (i.e. commit modified files and close the branch simultaneously):
hg up feature-x
hg merge default
hg ci -m "Merge feature-x and close branch" --close-branch
hg branch default -f
So, that is all. No one extra head on revgraph. No extra commit.
...
What's wrong with using $_REQUEST[]?
...essible in a superglobal way. Important usernames and passwords, paths to files, you name it and it was stored in $_REQUEST. He was a bit surprised (although not comically so, unfortunately) when I told him how that variable behaves. Needless to say, that practice has been deposed.
...
What is the HEAD in git?
... to be a difference between the last commit, the HEAD and the state of the file I can see in my directory.
5 Answers
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Disadvantages of Test Driven Development? [closed]
... automate a test for that. It's simple and gets the job done, with just 1 file. The testable component is MSFT's SqlDataSource object, and that's done for us already. No need for us to do more.
– Eric Z Beard
Sep 18 '08 at 23:27
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What would a “frozen dict” be?
...y({'a': 1})
>>> foo['a'] = 2
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: 'mappingproxy' object does not support item assignment
>>> foo
mappingproxy({'a': 1})
...
Difference between Node object and Element object?
... Element objects actually represents the objects as specified in the HTML file by the tags such as <div id="content"></div>. The Element class define properties and methods such as attributes, id, innerHTML, clientWidth, blur(), and focus().
Some Node objects are text nodes and they ar...