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How do I compute derivative using Numpy?
...rivative of y wrt x. In 8 we apply this derivative function to a vector of all ones and get the vector of all twos. This is because, as stated in line 6, yprime = 2*x.
– MRocklin
Apr 14 '12 at 13:45
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Differences between Proxy and Decorator Pattern
...ll start off with an indirect reference such as a file name but will eventually
obtain and use a direct reference.
Popular answers indicate that a Proxy knows the concrete type of its delegate. From this quote we can see that is not always true.
The difference between Proxy and Decorator accord...
How do I resolve “Cannot find module” error using Node.js?
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Using npm install installs the module into the current directory only (in a subdirectory called node_modules). Is app.js located under home/dave/src/server/? If not and you want to use the module from any directory, you need to install i...
iOS: Modal ViewController with transparent background
I'm trying to present a view controller modally, with a transparent background. My goal is to let both the presenting and presented view controllers's view to be displayed at the same time. The problem is, when the presenting animation finishes, the presenting view controller's view disappears.
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Initialize class fields in constructor or at declaration?
...as we don't comment each foreach loop with "this repeats the following for all items in the list", we don't need to constantly restate C#'s default values. We also don't need to pretend that C# has uninitialized semantics. Since the absence of a value has a clear meaning, it's fine to leave it out. ...
What does the caret (‘^’) mean in C++/CLI?
...s the managed equivalent of a * (pointer) which in C++/CLI terminology is called a 'handle' to a 'reference type' (since you can still have unmanaged pointers).
(Thanks to Aardvark for pointing out the better terminology.)
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Anyone else find naming classes and methods one of the most difficult parts in programming? [closed]
...tByID() EmployeeAdd(), EmployeeDeleteByID(). When you use a more grammatically correct syntax such as GetEmployee(), AddEmployee() you'll see that this gets really messy if you have multiple Gets in the same class as unrelated things will be grouped together.
I akin this to naming files with dates...
xpath find if node exists
Using a xpath query how do you find if a node (tag) exists at all?
6 Answers
6
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Should I put the Google Analytics JS in the or at the end of ?
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Yes, it's fine to do so; I actually have a mix, but have mostly migrated to putting it on the top for the reasons mentioned.
– Chris Arguin
Jul 4 '10 at 12:46
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JavaScript math, round to two decimal places [duplicate]
...https://stackoverflow.com/a/32605063/1726511 Which seems to work well with all the tests I've tried.
There is one minor modification required though, the function in the answer linked above returns whole numbers when it rounds to one, so for example 99.004 will return 99 instead of 99.00 which isn't...