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CSS table layout: why does table-row not accept a margin?

...ered Jan 2 '10 at 23:42 richardtallentrichardtallent 31.4k1313 gold badges7575 silver badges111111 bronze badges ...
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Local variables in nested functions

...ints to the local variable cage in the get_petters function. When you actually call the function, that closure is then used to look at the value of cage in the surrounding scope at the time you call the function. Here lies the problem. By the time you call your functions, the get_petters function i...
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Why should text files end with a newline?

I assume everyone here is familiar with the adage that all text files should end with a newline. I've known of this "rule" for years but I've always wondered — why? ...
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How to know if two arrays have the same values

..., i.e. ['a', 'b'] and ['a,b']. I would only recommend this technique for small throwaway scripts. – alex Mar 7 '16 at 16:23 1 ...
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Why is GHC so large/big?

... It's a bit silly really. Every library that comes with GHC is provided in no less than 4 flavours: static dynamic profiled GHCi The GHCi version is just the static version linked together in a single .o file. The other three versions all ...
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html5 localStorage error with Safari: “QUOTA_EXCEEDED_ERR: DOM Exception 22: An attempt was made to

...wsing mode, it appears as though localStorage is available, but trying to call setItem throws an exception. store.js line 73 "QUOTA_EXCEEDED_ERR: DOM Exception 22: An attempt was made to add something to storage that exceeded the quota." What happens is that the window object still exposes localS...
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The relationship could not be changed because one or more of the foreign-key properties is non-nulla

... You should delete old child items thisParent.ChildItems one by one manually. Entity Framework doesn't do that for you. It finally cannot decide what you want to do with the old child items - if you want to throw them away or if you want to keep and assign them to other parent entities. You must ...
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How does collections.defaultdict work?

... Usually, a Python dictionary throws a KeyError if you try to get an item with a key that is not currently in the dictionary. The defaultdict in contrast will simply create any items that you try to access (provided of course th...
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How to get Visual Studio 'Publish' functionality to include files from post build event?

...ss that collects the files for packaging. The target we need to extend is called CopyAllFilesToSingleFolder. This target has a dependency property, PipelinePreDeployCopyAllFilesToOneFolderDependsOn, that we can tap into and inject our own target. So we will create a target named CustomCollectFiles a...
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Numpy - add row to array

...2, 0]]) X = array([[0, 1, 2], [1, 2, 0], [2, 1, 2], [3, 2, 0]]) add to A all rows from X where the first element < 3: import numpy as np A = np.vstack((A, X[X[:,0] < 3])) # returns: array([[0, 1, 2], [0, 2, 0], [0, 1, 2], [1, 2, 0], [2, 1, 2]]) ...