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When should one use RxJava Observable and when simple Callback on Android?
...e getUserPhoto example:
RxJava:
api.getUserPhoto(photoId)
.observeOn(AndroidSchedulers.mainThread())
.subscribe(new Action1<Photo>() {
@Override
public void call(Photo photo) {
// do some stuff with your photo
}
});
Callback:...
How to properly reuse connection to Mongodb across NodeJs application and modules
I've been reading and reading and still am confused on what is the best way to share the same database (MongoDb) connection across whole NodeJs app. As I understand connection should be open when app starts and reused between modules. My current idea of the best way is that server.js (main file wh...
How can I make XSLT work in chrome?
...e local web page places the contents of your inbox into a <textarea> and submits the data via a form POST to the attacker's web server. Now the attacker has your inbox, which may be useful for spamming or identify theft.
Chrome foils the above scenario by putting restrictions on local files ...
How to delete object from array inside foreach loop?
I iterate through an array of objects and want to delete one of the objects based on it's 'id' property, but my code doesn't work.
...
How do I set bold and italic on UILabel of iPhone/iPad?
How do I set bold and italic on UILabel of iPhone/iPad?
I searched the forum but nothing helped me. Could anyone help me?
...
How do you delete all text above a certain line
...hing from your current line to the top of the file.
d is the deletion command, and gg is a movement command that says go to the top of the file, so when used together, it means delete from my current position to the top of the file.
Also
dG
will delete all lines at or below the current one
...
C# DateTime to “YYYYMMDDHHMMSS” format
...M = months, h = 12 hour, H = 24 hour. I suspect someone started with time and said hms = hours mins seconds, then H became 24 hour and then they got to date and ran out of unique letters so went with case. Just one of those things.
– Douglas Anderson
May 23 '...
How to add multiple objects to ManyToMany relationship at once in Django ?
...mber of arguments, not a list of them.
add(obj1, obj2, obj3, ...)
To expand that list into arguments, use *
add(*[obj1, obj2, obj3])
Addendum:
Django does not call obj.save() for each item but uses bulk_create(), instead.
...
What is LDAP used for?
I know that LDAP is used to provide some information and to help facilitate authorization.
16 Answers
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Should I put the Google Analytics JS in the or at the end of ?
Google gives me a piece of javascript and tells me to include it in the <head> .
7 Answers
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