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Regular expression to allow spaces between words
...bols and only allows letters and numbers. The regex below works great, but it doesn't allow for spaces between words.
15 An...
Using Rails 3.1, where do you put your “page specific” JavaScript code?
...f your JavaScript gets merged into 1 file. Rails does this by default when it adds //= require_tree . to the bottom of your application.js manifest file.
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What is the role of the bias in neural networks? [closed]
I'm aware of the gradient descent and the back-propagation algorithm. What I don't get is: when is using a bias important and how do you use it?
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Insert HTML with React Variable Statements (JSX)
I am building something with React where I need to insert HTML with React Variables in JSX. Is there a way to have a variable like so:
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How to test that no exception is thrown?
I know that one way to do it would be:
15 Answers
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How to remove an HTML element using Javascript?
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What's happening is that the form is getting submitted, and so the page is being refreshed (with its original content). You're handling the click event on a submit button.
If you want to remove the element and not submit the form, handle the submit event on the form instea...
Android: Force EditText to remove focus? [duplicate]
I would like to be able to remove the focus from the EditText. For example if the Keyboard appears, and the user hides it with the back button, I would like the focus and the cursor to disappear. How can it be done?
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What is android:weightSum in android, and how does it work?
...as the sum of the layout_weight of all the children if not specified explicitly.
Let's consider an example with a LinearLayout with horizontal orientation and 3 ImageViews inside it. Now we want these ImageViews always to take equal space. To acheive this, you can set the layout_weight of each Imag...
How to restart Activity in Android
How do I restart an Android Activity ? I tried the following, but the Activity simply quits.
21 Answers
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NPM global install “cannot find module”
... empty, and running npm install --global --verbose promised-io showed that it was installing into /opt/lib/node_modules/promised-io:
[root@uberneek ~]# npm install --global --verbose promised-io
npm info it worked if it ends with ok
npm verb cli [ '/opt/bin/node',
npm verb cli '/opt/bin/npm',
npm...