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class method generates “TypeError: … got multiple values for keyword argument …”

...f the class is declared thus: class foo(object): def foodo(self, thing=None, thong='not underwear'): print thing if thing else "nothing" print 'a thong is',thong it behaves as expected. Explanation: Without self as the first parameter, when myfoo.foodo(thing="something") is executed...
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What is the “right” way to iterate through an array in Ruby?

... => 0 B => 1 C => 2 I'm not quite sure from your question which one you are looking for. share | improve this answer | follow | ...
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Check if object is file-like in Python

...o the fact that this is often useful, even in python. In general, when someone asks "how to foo", "don't foo" is not a highly satisfactory answer. – AdamC Oct 23 '15 at 19:13 1 ...
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Adaptive segue in storyboard Xcode 6. Is push deprecated?

... Interface Builder’ session here. If you look at the slides you will see one slide (41) mention the change. When watching that session video you can skip to minute 38:00 where they start talking about adaptive segues. They do explain that the ‘show’ adaptive segue, for example, takes the conte...
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Extracting specific columns in numpy array

... 9? To select multiple columns at once, use X = data[:, [1, 9]] To select one at a time, use x, y = data[:, 1], data[:, 9] With names: data[:, ['Column Name1','Column Name2']] You can get the names from data.dtype.names… ...
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CSS technique for a horizontal line with words in the middle

... After trying different solutions, I have come with one valid for different text widths, any possible background and without adding extra markup. h1 { overflow: hidden; text-align: center; } h1:before, h1:after { background-color: #000; content: ""; d...
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Git command to show which specific files are ignored by .gitignore

...es could be removed (without removing anything) Also interesting (mentioned in qwertymk's answer), you can also use the git check-ignore -v command, at least on Unix (doesn't work in a CMD Windows session) git check-ignore * git check-ignore -v * The second one displays the actual rule of the...
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What's the difference between streams and datagrams in network programming?

...'s the difference between sockets (stream) vs sockets (datagrams)? Why use one over the other? 3 Answers ...
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Python function overloading

...ading is not really what you want in python. Why Not Overloading? First, one needs to understand the concept of overloading and why it's not applicable to python. When working with languages that can discriminate data types at compile-time, selecting among the alternatives can occur at com...
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Disable cross domain web security in Firefox

...in_policy. Sometimes also the network.http.refere.XOriginPolicy. For me, none of these seem to have any effect. This comment implies there is no built-in way in Firefox to do this (as of 2/8/14). share | ...