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Why do we have to normalize the input for an artificial neural network?

...erent scales for different dims (w1,w2). But learning rate is the SAME for all dims --> steps in elongated dim (w2) are very small until reaches the local min. Problem: Cannot inc LR, since it will skip the local min in the other dim (w1). See demo at youtube.com/watch?reload=9&v=UIp2CMI0748 ...
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HTML table with fixed headers?

... @tetra td { max-width: 30px; } this will allow you the developer to control how the rows are displayed. – Lyuben Todorov May 30 '12 at 22:28 ...
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Open Redis port for remote connections

... Did you set the bind option to allow remote access on the redis server? Before (file /etc/redis/redis.conf) bind 127.0.0.1 After bind 0.0.0.0 and run sudo service redis-server restart to restart the server. If that's not the problem, you might want ...
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Resolve promises one after another (i.e. in sequence)?

...uential manner. readFiles returns a promise, which is resolved only once all files have been read in sequence. 27 Answers...
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How to delete an app from iTunesConnect / App Store Connect

... Edit December 2018: Apple seem to have finally added a button for removing the app in certain situations, including apps that never went on sale (thanks to @iwill for pointing that out), basically making the below answer irrelevant. Edit: turns out the deleted apps ...
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Is it worth hashing passwords on the client side

... Basically, your friend is right. But simply hashing the password on the client side is only just better than submitting it as plain text to the server. Someone, who can listen for your plain text passwords is certainly also able t...
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VS2013 permanent CPU usage even though in idle mode

... This problem happened for me after I installed the 3rd party GIT tools and setting the plugin to None fixed it. Interestingly, after setting this to None, I have set it back to the MS Git provider and the problem has not returned. – TreeAndLeaf...
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Why do you create a View in a database?

...joining several tables, or has complex logic or calculations, you can code all that logic into a view, then select from the view just like you would a table. 2. Views can be used as a security mechanism A view can select certain columns and/or rows from a table (or tables), and permissions set on ...
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Which annotation should I use: @IdClass or @EmbeddedId

... a clear notion of the fields that make the composite key because they are all aggregated in a class that is accessed trough a field access operator. Another difference with @IdClass and @EmbeddedId is when it comes to write HQL : With @IdClass you write: select e.name from Employee e and with @...
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Given an array of numbers, return array of products of all other numbers (no division)

... Here is a small recursive function (in C++) to do the modofication in place. It requires O(n) extra space (on stack) though. Assuming the array is in a and N holds the array length, we have int multiply(int *a, int fwdProduct, int indx)...