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Is it expensive to use try-catch blocks even if an exception is never thrown?
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try has almost no expense at all. Instead of doing the work of setting up the try at runtime, the code's metadata is structured at compile time such that when an exception is thrown, it now does a relatively expensive operation of walking up the stack an...
In-memory size of a Python structure
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Yep. The "4 higher" actually mostly look like "rounding up to a multiple of 8" which I believe is correct for the way malloc behaves here. No idea why decimal gets so distorted (with pympler on 2.6, too).
– Alex Martelli
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What is the difference between shallow copy, deepcopy and normal assignment operation?
...ble towards the existing object. The docs explain the difference between shallow and deep copies:
The difference between shallow and deep copying is only relevant for
compound objects (objects that contain other objects, like lists or
class instances):
A shallow copy constructs a new...
Can you test google analytics on a localhost address?
...ersal Analytics - analytics.js
Google released a new version of analytics called "Universal Analytics" (late 2012 or early 2013). As I write, this the program is still in BETA so the above code is still recommended for most users with existing installations of Google Analytics.
However, for new deve...
TypeScript static classes
...hat cannot be subclassed and must contain only static methods. C# does not allow one to define functions outside of classes. In TypeScript this is possible, however.
If you're looking for a way to put your functions/methods in a namespace (i.e. not global), you could consider using TypeScript's mod...
Find object in list that has attribute equal to some value (that meets any condition)
...eat solution, but how do i modify your line so that I can make x.value actually mean x.fieldMemberName where that name is stored in value? field = "name" next((x for x in test_list if x.field == value), None) so that in this case, i am actually checking against x.name, not x.field
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Can we define implicit conversions of enums in c#?
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Isn't it basically re-implemented Java enum?
– Agent_L
Mar 21 '16 at 15:20
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Set select option 'selected', by value
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I had to manually call .val(x).change(); to trigger the select's onChange event, it seems setting val() doesn't fire it.
– scipilot
Jul 19 '15 at 5:48
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Unit Testing AngularJS directive with templateUrl
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You're correct that it's related to ngMock. The ngMock module is automatically loaded for every Angular test, and it initializes the mock $httpBackend to handle any use of the $http service, which includes template fetching. The template system tries to load the template through $http and it become...
What are the differences between numpy arrays and matrices? Which one should I use?
...ted/numpy.matrix.html
As other answers already state that you can achieve all the operations with NumPy arrays.
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