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Simple way to create matrix of random numbers

... You can drop the range(len()): weights_h = [[random.random() for e in inputs[0]] for e in range(hiden_neurons)] But really, you should probably use numpy. In [9]: numpy.random.random((3, 3)) Out[9]: array([[ 0.37052381, 0.03463207, 0.10669077], [ 0.05...
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laravel throwing MethodNotAllowedHttpException

...ST but actually you have to perform PATCH To fix this add <input name="_method" type="hidden" value="PATCH"> Just after the Form::model line share | improve this answer | ...
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In Go's http package, how do I get the query string on a POST request?

...ooking for is the POST data as submitted by an HTML form, then this is (usually) a key-value pair in the request body. You're correct in your answer that you can call ParseForm() and then use req.Form field to get the map of key-value pairs, but you can also call FormValue(key) to get the value of a...
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SQL Server Script to create a new user

...fluid than I make it seem above. For example, a Login account is automatically created (in most SQL Server installations) for the Windows Administrator account when the database is installed. In most situations, I just use that when I am administering a database (it has all privileges). However...
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How would you go about parsing Markdown? [closed]

...own. Its parser is based on a Parsing Expression Grammar parser generator called peg. EDIT: Mauricio Fernandez recently released his Simple Markup Markdown parser, which he wrote as part of his OcsiBlog Weblog Engine. Because the parser is written in OCaml, it is extremely simple and short (268 SLO...
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Stack Memory vs Heap Memory [duplicate]

...C++ and I am always wondering what exactly is stack memory vs heap memory. All I know is when I call new, I would get memory from heap. If if create local variables, I would get memory from stack. After some research on internet, the most common answer is stack memory is temporary and heap memory is...
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How do I merge two dictionaries in a single expression in Python (taking union of dictionaries)?

...tionaries in a single expression? For dictionaries x and y, z becomes a shallowly merged dictionary with values from y replacing those from x. In Python 3.5 or greater: z = {**x, **y} In Python 2, (or 3.4 or lower) write a function: def merge_two_dicts(x, y): z = x.copy() # start with x's ...
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Unbound classpath container in Eclipse

... have advantages and is even recommended practice for Java projects (personally, I would not do that). Maybe some of the following work for you: Edit the project's properties (right-click project, Properties, Java Build Path, Libraries, Remove and Add Library. Import the project's files without t...
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How to change MenuItem icon in ActionBar programmatically

...thod menu.getItem(0).setIcon(ContextCompat.getDrawable(this, R.drawable.ic_launcher)); share | improve this answer | follow | ...
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One DbContext per web request… why?

...the DbContext caches data, it gets stale pretty soon. This will get you in all sorts of trouble when multiple users/applications work on that database simultaneously (which is very common of course). But I expect you already know that and just want to know why not to just inject a new instance (i.e....