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Why should weights of Neural Networks be initialized to random numbers? [closed]

...imization algorithms such as stochastic gradient descent use randomness in selecting a starting point for the search and in the progression of the search. The progression of the search or learning of a neural network is known as convergence. Discovering a sub-optimal solution or local optima result ...
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Ruby on Rails: Where to define global constants?

... model code as such: <%= form.label :states, %> <%= form.select :states, STATES, {} %> To use the constant in a model, use attr_accessor to make the constant available. class Customer < ActiveRecord::Base attr_accessor :STATES validates :state, inclusion: {in: STA...
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How to get the class of the clicked element?

... This should do the trick: ... select: function(event, ui){ ui.tab.attr('class'); } , ... For more info about the ui.tab see http://jqueryui.com/demos/tabs/#Events share ...
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How to display PDF file in HTML?

...oads/poster_bunny_bunnysize.jpg?x11217" title="Google" style="-webkit-user-select: none;background-position: 0px 0px, 10px 10px;background-size: 20px 20px;background-image:linear-gradient(45deg, #eee 25%, transparent 25%, transparent 75%, #eee 75%, #eee 100%),linear-gradient(45deg, #eee 25%, white 2...
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How to base64 encode image in linux bash / shell

...nd put it in your clipboard: file="test.docx" base64 -w 0 $file | xclip -selection clipboard share | improve this answer | follow | ...
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Firefox session cookies

...havior quite questionable, thanks for your research. If "Save and Quit" is selected or "Restore tabs and windows", upon closing the browser, all session cookies remain intact. The only way for the "user" to get rid of them is to first close the tab(s) and then close the browser. ...
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Using CSS to insert text

...pposed to jQuery is that the text supplied by the content attribute is not selectable, which may or may not be desirable.... – Jeff Apr 23 '13 at 4:41 ...
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List of special characters for SQL LIKE clause

...on Parameters DECLARE @p0 VarChar(1000) = '%lkjwer--~_~~~[]%' -- EndRegion SELECT [t0].[ID], [t0].[Name] FROM [RECORDS] AS [t0] WHERE [t0].[Name] LIKE @p0 ESCAPE '~' So I haven't tested it yet but it looks like potentially the ESCAPE '~' keyword may allow for automatic escaping of a string for use...
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How do I uninstall a Windows service if the files do not exist anymore?

...h elevated privileges. [Windows Key-X to bring up a menu with the option; select "Command Prompt (Admin)".] 2) Use the parenthetical name from the list in Services [for example, I used "sc delete gupdate" when, in Services, it read "Google Update (gupdate)"] ...
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How do I display an alert dialog on Android?

... Didn't work on drawer item selection, but this one did: stackoverflow.com/a/26097588/1953178 – Amr Hossam Nov 5 '15 at 16:30 5 ...