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How can I tell if a DOM element is visible in the current viewport?
...andler, 600);
You can use the awesome feature pageVisibiliy of the HTML5 API if you care if the tab with your web page is active and visible.
TODO: this method does not handle two situations:
overlapping using z-index
using overflow-scroll in element's container
try something new - The Intersec...
Error: Can't set headers after they are sent to the client
...it like so: return res.send().
Take for instance this code:
app.post('/api/route1', function(req, res) {
console.log('this ran');
res.status(200).json({ message: 'ok' });
console.log('this ran too');
res.status(200).json({ message: 'ok' });
}
When a POST request is sent to /api/route1 ...
Sanitizing strings to make them URL and filename safe?
...n in general
OWASP have a PHP implementation of their Enterprise Security API which among other things includes methods for safe encoding and decoding input and output in your application.
The Encoder interface provides:
canonicalize (string $input, [bool $strict = true])
decodeFromBase64 (strin...
How to test if parameters exist in rails
...he params object is no longer a hash, and I don't see the key? method. edgeapi.rubyonrails.org/classes/ActionController/…
– stephen.hanson
Nov 8 '16 at 22:32
1
...
How to change a TextView's style at runtime
...ated a ClickListener to trap the tap event on that TextView:
EDIT:
As from API 23 'setTextAppearance' is deprecated
myTextView.setOnClickListener(new View.OnClickListener() {
public void onClick(View view){
//highlight the TextView
//myTex...
What's the difference between SoftReference and WeakReference in Java?
...
Weak Reference
http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/ref/WeakReference.html
Principle: weak reference is related to garbage collection. Normally, object having one or more reference will not be eligible for garbage collection.
The above principle is not applicabl...
using facebook sdk in Android studio
... It is working for me. It is really the best way to add facebook api on Android Studio. Thanks
– Olkunmustafa
Nov 21 '14 at 8:35
1
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Is there a good JavaScript minifier? [closed]
...
JavaScript Minifier gives a good API you can use programatically:
curl -X POST -s --data-urlencode 'input=$(function() { alert("Hello, World!"); });' http://javascript-minifier.com/raw
Or by uploading a file and redirecting to a new file:
curl -X POST -s...
Why does Math.Round(2.5) return 2 instead of 3?
...'s not the expected behaviour - and in most cases that's a cardinal sin in API design. I can see why Banker's Rounding is useful... but it's still a surprise to many.
You may be interested to take a look at the nearest Java equivalent enum (RoundingMode) which offers even more options. (It doesn't ...
Share Large, Read-Only Numpy Array Between Multiprocessing Processes
...ows -- which does not support fork() -- multiprocessing is using the win32 API call CreateProcess. It creates an entirely new process from any given executable. That's why on Windows one is required to pickle data to the child if one needs data that has been created during runtime of the parent.
...