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How to reshape data from long to wide format
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reshape is an outstanding example for a horrible function API. It is very close to useless.
– NoBackingDown
Oct 26 '17 at 15:18
15
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How to append data to div using JavaScript?
...tNode won't work if you are loading HTML. If you wanted to add list items, for example, this wouldn't work. That is pretty limiting.
– Jake
Mar 13 '17 at 5:58
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How to use icons and symbols from “Font Awesome” on Native Android Application
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Font Awesome seems to be working fine for me in my android app. I did the following:
Copied fontawesome-webfont.ttf into my assests folder
Found the character entities for icons I wanted, using this page: http://fortawesome.github.io/Font-Awesome/cheatsheet/
C...
Android “Only the original thread that created a view hierarchy can touch its views.”
I've built a simple music player in Android. The view for each song contains a SeekBar, implemented like this:
27 Answers
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How do I add a password to an OpenSSH private key that was generated without a password?
...enerated an OpenSSH private key using puttygen (and exported it in OpenSSH format). How can I put a password on this existing key (I know how to generate a new key with a password)?
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Node.js + Express: Routes vs controller
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You can just have a routes folder or both. For example, some set routes/paths (ex. /user/:id) and connect them to Get, Post, Put/Update, Delete, etc. and then in the routes folder:
const subController = require('./../controllers/subController');
Router.use('/subs/:i...
nodeValue vs innerHTML and textContent. How to choose?
...aster.
innerText Takes styles into consideration. It won't get hidden text for instance.
innerText didn't exist in firefox until FireFox 45 according to caniuse but is now supported in all major browsers.
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jQuery Validate Required Select
...alue;
}, "Value must not equal arg.");
// configure your validation
$("form").validate({
rules: {
SelectName: { valueNotEquals: "default" }
},
messages: {
SelectName: { valueNotEquals: "Please select an item!" }
}
});
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Rails server says port already used, how to kill that process?
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Just to clarify for novices: in the second line of code, you are supposed to replace the PID with the actual number that is shown in your console upon entering the first line of code (eg, 12345).
– CodeBiker
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How do I tell if a regular file does not exist in Bash?
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I struggled a bit to find the right syntax for "if any of 2 files does not exist". The following both work: if [ ! \( -f "f1" -a -f "f2" \) ] ; then echo MISSING; fi if [ ! -f "f1" ] || [ ! -f "f2" ] ; then echo MISSING; fi
– mivk
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