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What is the difference between required and ng-required?
What is the difference between required and ng-required (form validation)?
3 Answers
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Why does appending “” to a String save memory?
...al String. This can be advantageous in some circumstances, but problematic if you want to get a substring and dispose of the original String (as you've found out).
Take a look at the substring() method in the JDK String source for more info.
EDIT: To answer your supplementary question, constructin...
Programmatically trigger “select file” dialog box
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If you're looking to have your own button to upload a file instead of using <input type="file" />, you can do something like:
<input id="myInput" type="file" style="visibility:hidden" />
<input type="button" v...
Node.js/Express.js App Only Works on Port 3000
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The following works if you have something like this in your app.js:
http.createServer(app).listen(app.get('port'),
function(){
console.log("Express server listening on port " + app.get('port'));
});
Either explicitly hardcode your code ...
Difference between thread's context class loader and normal classloader
What is the difference between a thread's context class loader and a normal class loader?
4 Answers
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Find the division remainder of a number
...se, maybe they wanted you to implement it yourself, which wouldn't be too difficult either.
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Position icons into circle
...re images here */
- ];
- let n_imgs = imgs.length;
- let has_mid = 1; /* 0 if there's no item in the middle, 1 otherwise */
- let m = n_imgs - has_mid; /* how many are ON the circle */
- let tan = Math.tan(Math.PI/m); /* tangent of half the base angle */
.container(style=`--m: ${m}; --tan: ${+tan.t...
How do I retrieve an HTML element's actual width and height?
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Beware! offsetHeight/offsetWidth can return 0 if you've done certain DOM modifications to the element recently. You may have to call this code in a setTimeout call after you've modified the element.
– Dan Fabulich
Jan 19 '10 at 5:5...
Where does forever store console.log output?
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what is the default path if I don't specify any parameters but just use like forever myapp? thanks!
– AGamePlayer
Jan 9 '14 at 15:07
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Difference between Select and ConvertAll in C#
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And what about the performances? If I have a List, is it more performant to use ConvertAll or Select?
– Nicolas
Dec 7 '10 at 14:28
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