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

...n MLP [multilayer perceptron], then it is rarely strictly necessary to standardize the inputs, at least in theory. The reason is that any rescaling of an input vector can be effectively undone by changing the corresponding weights and biases, leaving you with the exact same outputs as you ha...
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Is it okay to use now?

I'm working on a mobile phone web app and I have several text fields that could benefit from <input type="tel"/> . iPhones will adjust the keyboard for the user, but I'm worried about breaking backwards compatibility. What I'm hoping is that browsers/phone that support this can assist the use...
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How to check if a string contains text from an array of substrings in JavaScript?

...ries of alternations for the substrings you're looking for (e.g., one|two) and tests to see if there are matches for any of them, but if any of the substrings contains any characters that are special in regexes (*, [, etc.), you'd have to escape them first and you're better off just doing the boring...
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How to change string into QString?

...const char* str = "zażółć gęślą jaźń"; // latin2 source file and system encoding QString qstr = QString::fromLocal8Bit(str); If you have const char * that's UTF8 encoded then you'll need to use this method: QString QString::fromUtf8(const char * str, int size = -1) const char* st...
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NuGet for solutions with multiple projects

... > Library Package Manager > Manage NuGet Packages for Solution... And if you go to the Installed packages area you can 'Manage' a single package across every project in the solution. share | ...
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EC2 instance types's exact network performance?

... Bandwidth is tiered by instance size, here's a comprehensive answer: For t2/m3/c3/c4/r3/i2/d2 instances: t2.nano = ??? (Based on the scaling factors, I'd expect 20-30 MBit/s) t2.micro = ~70 MBit/s (qiita says 63 MBit/s) - ...
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How to get jQuery dropdown value onchange event

...Autocomplete script. Now I want get both value onchange of second dropdown and want to store separately in variable. How it is possible? ...
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What exactly does the enable-background attribute do?

... means that a UA cannot use it in the way it was intended to be used. That and the fact that it was pretty much impossible to implement the spec as written ensured its demise. – Robert Longson Sep 24 '14 at 15:37 ...
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What is the syntax for “not equal” in SQLite?

... Feb 21 '12 at 22:32 Graham BorlandGraham Borland 56.2k1717 gold badges130130 silver badges172172 bronze badges ...
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Check if checkbox is checked with jQuery

...box" name="chk[]" id="chk[]" value="Bananas" /> Instead, drop the ID, and then select them by name, or by a containing element: <fieldset id="checkArray"> <input type="checkbox" name="chk[]" value="Apples" /> <input type="checkbox" name="chk[]" value="Bananas" /> &lt...